CN113608035A

CN113608035A - Radiation stray test device, test method, computer device and storage medium

Info

Publication number: CN113608035A
Application number: CN202110656389.5A
Authority: CN
Inventors: 伍震; 刘学
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-05

Abstract

The application relates to a radiation stray test device, a test method, a computer device and a storage medium. The radiation stray testing apparatus includes: the antenna tower module comprises an adjusting mechanism and a receiving antenna, wherein the receiving antenna is used for receiving radio frequency signals of a preset frequency band transmitted by the terminal equipment under different rotation angles; the adjusting mechanism is used for supporting the receiving antenna and adjusting the polarization direction and the height of the receiving antenna; the frequency spectrograph is electrically connected with the receiving antenna and used for performing frequency spectrum analysis on the plurality of radio frequency signals received by the receiving antenna so as to obtain radiation stray data of the terminal equipment; the controller is respectively electrically connected with the adjusting mechanism and the frequency spectrograph, and is used for controlling the adjusting mechanism to adjust the polarization direction and the height of the receiving antenna; the controller is further used for obtaining test parameters of the radiation stray data, identifying abnormal data according to the radiation stray data fed back by the frequency spectrograph, and conducting retest verification on the abnormal data. The radiated stray test equipment can improve the test efficiency.

Description

Radiation stray test device, test method, computer device and storage medium

Technical Field

The present application relates to the field of wireless communication testing technologies, and in particular, to a radiated spurious response testing device, a testing method, a computer device, and a storage medium.

Background

The radiated spurious test is an important test item of the wireless communication terminal equipment. This test needs to carry out 360 omnidirectional measurements to terminal equipment, and this test needs to go on in the anechoic chamber, is difficult to carry out retest to the spurious problem of radiation, and efficiency of software testing is lower.

Disclosure of Invention

The embodiment of the application provides a radiation stray test device, a test method, a computer device and a storage medium, and the test efficiency can be improved.

A radiation stray test device is used for testing radiation stray data of terminal equipment; the apparatus comprises:

the antenna tower module comprises an adjusting mechanism and a receiving antenna, wherein the receiving antenna is used for receiving radio frequency signals of a preset frequency band transmitted by the terminal equipment under different rotation angles; the adjusting mechanism is used for supporting the receiving antenna and adjusting the polarization direction and the height of the receiving antenna;

the frequency spectrograph is electrically connected with the receiving antenna and is used for performing frequency spectrum analysis on the radio-frequency signals received by the receiving antenna so as to obtain radiation stray data of the terminal equipment;

the controller is electrically connected with the adjusting mechanism and the frequency spectrograph respectively, and is used for controlling the adjusting mechanism to adjust the polarization direction and the height of the receiving antenna; the controller is further configured to acquire test parameters of each of the spurious radiation data, identify abnormal data according to the spurious radiation data fed back by the spectrometer, determine corresponding test parameters according to the abnormal data, and control the adjustment mechanism and the terminal device to perform test scene reproduction based on the test parameters corresponding to the abnormal data, so as to perform retest verification; wherein the test parameters include a rotation angle of the terminal device corresponding to the radiation spurious data and a polarization direction and a height of the receiving antenna.

A radiation stray test method is applied to radiation stray test equipment, and the radiation stray test equipment is used for testing radiation stray data of terminal equipment; the method comprises the following steps:

controlling a receiving antenna to receive radio frequency signals of preset frequency bands transmitted by the terminal equipment under different rotation angles in different polarization directions and heights;

controlling a frequency spectrograph to perform frequency spectrum analysis on the radio-frequency signals received by the receiving antenna so as to obtain radiation stray data of the terminal equipment;

identifying abnormal data in the radiation stray data, and acquiring test parameters corresponding to the abnormal data; the abnormal data is at least one of the radiation stray data; the test parameters comprise a rotation angle of the terminal equipment corresponding to the radiation stray data and a polarization direction and a height of the receiving antenna;

and retesting and verifying the abnormal data according to the test parameters corresponding to the abnormal data.

A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:

controlling a receiving antenna to receive radio frequency signals of preset frequency bands transmitted by terminal equipment under different rotation angles in different polarization directions and heights;

A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:

The radiation stray test equipment, the test method, the computer equipment and the storage medium enable the receiving antenna to be adjusted to different polarization directions and heights under the support of the adjusting mechanism by arranging the adjusting mechanism and the receiving antenna of the antenna tower module to receive radio frequency signals of preset frequency bands emitted by the terminal equipment under different rotation angles, carry out spectrum analysis on the radio frequency signals by the spectrometer, realize omnidirectional radiation stray data test of the terminal equipment, obtain test parameters of all radiation stray data by the controller in the test, identify abnormal data in the radiation stray data, control the adjusting mechanism to adjust the polarization directions and the heights of the receiving antenna according to the test parameters of the abnormal data, control the terminal equipment to adjust the rotation angles to carry out retest verification on the abnormal data, realize retest verification on the abnormal data, and do not need to carry out retest on all omnidirectional radiation stray data tests, the test efficiency of problem recurrence retest is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of an embodiment of a radiated spurious test apparatus;

FIG. 2 is a second block diagram of an embodiment of a radiation stray test apparatus;

FIG. 3 is a third block diagram of an embodiment of a radiation stray test apparatus;

FIG. 4 is a block diagram of an embodiment of a radiation stray test apparatus;

FIG. 5 is a block diagram of an embodiment of a radiation stray test apparatus;

FIG. 6 is a sixth block diagram of an embodiment of a radiated spurious test apparatus;

FIG. 7 is a seventh block diagram illustrating the structure of an embodiment of a radiation stray test apparatus;

FIG. 8 is an eighth block diagram illustrating the structure of an embodiment of a radiated spurious test apparatus;

FIG. 9 is a flowchart illustrating an embodiment of a radiation straggle test method;

FIG. 10 is a flowchart illustrating the step of identifying anomalous data in each of the radiation spurs according to one embodiment;

FIG. 11 is a second flowchart illustrating a radiation straggle test method according to an embodiment;

FIG. 12 is a third flowchart illustrating a radiation straggle test method according to an embodiment;

FIG. 13 is a fourth flowchart illustrating a radiation straggle test method according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first antenna tower may be referred to as a second antenna tower, and similarly, a second antenna tower may be referred to as a first antenna tower, without departing from the scope of the present application. The first antenna tower and the second antenna tower are both antenna towers, but they are not the same antenna tower.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.

The embodiment of the application provides a radiation stray test device. Wherein the radiated spurious test equipment is used to test the radiated spurious data of the terminal equipment 90. Among them, the terminal device 90 may be a terminal device 90 capable of supporting wireless communication. That is, the terminal device 90 is capable of receiving and transmitting radio frequency signals of a preset frequency band. For example, the terminal device 90 may support wireless communications such as 4G, 5G, WiFi, bluetooth, and the like. The terminal equipment 90 may specifically be User Equipment (UE), an access terminal, a terminal unit, a terminal station, a mobile station, a remote terminal, a mobile equipment, a wireless communication equipment, a terminal agent, a terminal device, or the like. An access terminal may be a cellular telephone, a cordless telephone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) computer, a laptop computer, a handheld computing device, and/or other devices used to communicate over a wireless system.

The frequency bands of the wireless communications supported by the terminal device 90 are different, and the frequency bands of the corresponding test radiated spurious data are also different. Illustratively, the terminal device 90 supports 5G wireless communication, and according to the test requirement, the radiated spurious data can be understood as information, such as power with a 5G frequency band (frequency point to be tested), transmitted by the terminal device 90 in each direction. The radiated spurious test device in the embodiment of the present application may be used for a terminal device 90 supporting 2G, 3G, 4G and/or 5G wireless communication, where the main frequency of the terminal device 90 is high, and the harmonic is high, and only the harmonic value of the terminal device 90 may be tested in the process of the radiated spurious test. The harmonic values are understood to be harmonics of the main frequency signal of the terminal device 90, and the radiated spurious data are understood to be power values at frequencies n times the operating main frequency.

For example, the terminal device 90 may receive a radio frequency signal transmitted by a base station antenna ANT, the base station antenna ANT and the terminal device 90 are both built in a anechoic chamber, and the base station antenna ANT is connected to the comprehensive tester 500 and the controller 300 through a radio frequency cable. Wherein the base station antenna ANT is stationary and the terminal device 90 can be controlled in rotation. The controller 300 can be used to control the terminal device 90 and can control the terminal device 90 to be in a communication state. The base station antenna ANT is a medium for controlling the terminal device 90 by the controller 300 and the comprehensive tester 500, the base station antenna ANT transmits the radio frequency signal of the comprehensive tester 500 to the terminal device 90 through a space, meanwhile, the terminal device 90 transmits the radio frequency signal through an antenna inside the terminal device 90, and the base station antenna ANT receives the transmission signal of the terminal device 90 and then transmits the transmission signal to the comprehensive tester 500, so that closed-loop communication connection is established. The controller 300 may control the operating frequency band, the channel, and the like of the terminal device 90 through the integrated tester 500 to test information to be controlled. Illustratively, the terminal device 90 may receive and transmit radio frequency signals of different frequency bands under the control of the controller 300 and the comprehensive tester 500.

As shown in FIG. 1, in one embodiment, the radiated spurious test equipment includes an antenna tower module 100, a spectrometer 200, and a controller 300. The antenna tower module 100 includes an adjustment mechanism 101 and a receiving antenna 102, the adjustment mechanism 101 being electrically connected to a controller 300. The spectrometer 200 is electrically connected to the receiving antenna 102 and the controller 300, respectively. The antenna tower module 100 and the terminal device 90 are both installed in the anechoic chamber.

The receiving antenna 102 is configured to receive radio frequency signals of a preset frequency band transmitted by the terminal device 90 at different rotation angles; the adjustment mechanism 101 is used to support the receiving antenna 102 and adjust the polarization direction and height of the receiving antenna 102 according to the control of the controller 300. The spectrometer 200 is configured to perform spectrum analysis on a plurality of radio frequency signals received by the receiving antenna 102, that is, perform spectrum analysis on each radio frequency signal transmitted by the terminal device 90 received by the receiving antenna 102 in different polarization directions and/or at different heights under different rotation angles, so as to obtain the radiation spurious data of the terminal device 90, thereby implementing an omnidirectional radiation spurious test of the terminal device 90.

The controller 300 can control the adjusting mechanism 101 to adjust the polarization direction and height of the receiving antenna 102, and can also control the terminal device 90 to adjust the rotation angle. The controller 300 is capable of acquiring the radiation spurs of the terminal device 90 generated by the spectrometer 200, and acquiring test parameters corresponding to each radiation spurs, the test parameters including the rotation angle of the terminal device 90 corresponding to the radiation spurs and the polarization direction and height of the receiving antenna 102. Illustratively, the controller 300 controls the terminal device 90 to transmit the radio frequency signal of the N41 frequency band from a rotation angle of 0 ° to 360 °, and controls the receiving antenna 102 to receive the rf signals at different heights and in different polarization directions (for example, vertical polarization direction and horizontal polarization direction) respectively at each tested rotation angle (which may be tested once every other angle according to the test requirement, for example, once every 30 ° rotation), the receiving antenna 102 transmits the rf signals to the spectrometer 200 for spectrum analysis, that is, at each rotation angle of the test, the radio frequency signal received by the terminal device 90 in each polarization direction at each different height corresponding to the receiving antenna 102 is output to the spectrometer 200 for spectrum analysis, so as to obtain a corresponding radiation spurious data, and the controller 300 obtains the test parameter of the radiation spurious data when obtaining the radiation spurious data.

The controller 300 is configured to identify abnormal data from each of the radiated spurious data obtained by the omnidirectional radiated spurious test, that is, identify the radiated spurious data with abnormality, perform retesting verification on each abnormal data after the omnidirectional radiated spurious test, reproduce a scene in which the data is generated according to a test parameter corresponding to the abnormal data, the reproduced scene includes a rotation angle of the terminal device 90, a polarization direction of the receiving antenna 102, and a height of the receiving antenna 102, and perform testing again in the reproduced scene, thereby verifying a harmonic signal of the radiated spurious test.

Above-mentioned spurious test equipment of radiation, through adjustment mechanism 101 and receiving antenna 102 that sets up antenna tower module 100, make receiving antenna 102 can adjust to the radio frequency signal of the predetermined frequency channel of different polarization directions and height receiving terminal equipment 90 transmission under different rotation angles under adjustment mechanism 101's support to carry out spectral analysis to radio frequency signal through spectrometer 200, realize the spurious data test of terminal equipment 90 omnidirectional radiation. The test parameters of all the radiation stray data are acquired through the controller 300 in the test, abnormal data in the radiation stray data are identified, the adjusting mechanism 101 is controlled to adjust the polarization direction and the height of the receiving antenna 102 to receive according to the test parameters of the abnormal data, the terminal equipment 90 is controlled to adjust the rotation angle to conduct retest verification on the abnormal data, retest verification on the abnormal data is achieved, retest is not needed to be conducted on all the radiation stray data tests in all directions, and test efficiency of problem retest can be improved.

In one embodiment, the controller 300 determines the corresponding test parameters according to the identified abnormal data, and controls the adjusting mechanism 101 and the terminal device 90 to perform the test scenario reproduction based on the test parameters for the retest verification. Specifically, the controller 300 may generate the measurement template when recognizing the abnormal data in the radiation stray data, where the measurement template includes test parameters corresponding to the abnormal data, and after completing the omnidirectional radiation stray data, the controller 300 may call the measurement template to perform retest verification.

As shown in FIG. 2, in one embodiment, the radiation stray testing apparatus further comprises a rotating assembly 400. The rotating assembly 400 is electrically connected to the controller 300, and the rotating assembly 400 is used for driving the terminal device 90 to rotate under the control of the controller 300 so as to rotate the terminal device 90 to different rotation angles. During retest verification of the abnormal data, the controller 300 controls the rotating component 400 to drive the terminal device 90 to rotate to a target rotation angle to transmit a radio frequency signal; the target rotation angle is a rotation angle corresponding to the abnormality data.

In one embodiment, the terminal device 90 has a function of changing the rotation angle of the own signal transmission, and the controller 300 may also directly control the terminal device 90 to rotate to the target rotation angle.

As shown in fig. 3, in one embodiment, the radiated spurious emission testing device further includes a comprehensive tester 500, the comprehensive tester 500 is coupled to the terminal device 90, the comprehensive tester 500 is further electrically connected to the controller 300, and the comprehensive tester 500 is configured to excite the terminal device 90 to emit a radio frequency signal in a preset frequency band, and enable the terminal device 90 to operate in a maximum emission power state, so as to facilitate testing. The controller 300 is configured to acquire a working frequency band of the radio frequency signal corresponding to each radiated stray data, and control the integrated tester 500 to excite the terminal device 90 to transmit the radio frequency signal of the working frequency band when performing retest verification on abnormal data, so as to implement full-automatic control of retest without manual participation in scene recurrence.

As shown in fig. 4, in one embodiment, the antenna tower module 100 comprises a first antenna tower 110 and a second antenna tower 120. The radiated spurious test apparatus also includes radio frequency processing circuitry 600. The first antenna tower 110 includes a first adjusting mechanism 111 and a first receiving antenna 112, the second antenna tower 120 includes a second adjusting mechanism 121 and a second receiving antenna 122, and the radio frequency processing circuit 600 is electrically connected to the first receiving antenna 112, the second receiving antenna 122, and the spectrometer 200, respectively. The first receiving antenna 112 is configured to receive a radio frequency signal in a high frequency band, and the first adjusting mechanism 111 is configured to adjust a polarization direction and a height of the first receiving antenna 112; the second receiving antenna 122 is configured to receive the low-frequency band rf signal, and the second adjusting mechanism 121 is configured to adjust a polarization direction and a height of the second receiving antenna 122.

The rf processing circuit 600 is configured to selectively connect a radio frequency path between the first receiving antenna 112 or the second receiving antenna 122 and the spectrometer 200, that is, at least one radio frequency path is formed between the first receiving antenna 112 and the spectrometer 200 through the rf processing circuit 600, at least one radio frequency path is formed between the second receiving antenna 122 and the spectrometer 200 through the rf processing circuit 600, the rf processing circuit 600 may selectively connect any radio frequency path between the first receiving antenna 112 and the spectrometer 200, or any radio frequency path between the second receiving antenna 122 and the spectrometer 200, and the rf processing circuit 600 is configured to amplify and filter a radio frequency signal received by the first receiving antenna 112 or the second receiving antenna 122, and output the radio frequency signal to the spectrometer 200 for spectrum analysis. In this embodiment, the first receiving antenna 112 and the second receiving antenna 122 are respectively configured to receive radio frequency signals in a high frequency band and a low frequency band, so that the radiated stray test equipment can be suitable for tests in more frequency bands, and more test requirements are met. Specifically, the high frequency band includes radio frequency signals with a frequency of 1GHz to 18GHz, and the low frequency band includes radio frequency signals with a frequency of 30MHz to 6 GHz. In one embodiment, the first receive antenna 112 has a length of 0.3 meters and the second receive antenna 122 has a length of 1.5 meters.

As shown in fig. 5, in one embodiment, the rf processing circuit 600 includes a first selection switch 610, a notch module 620, a filter module 630, and an amplifier module 640. The first selection switch 610 includes two input terminals and an output terminal, the two input terminals of the first selection switch 610 are electrically connected to the first receiving antenna 112 and the second receiving antenna 122, respectively, the output terminal of the first selection switch 610 is electrically connected to the notch module 620, the filtering module 630 is electrically connected to the notch module 620 and the amplifier module 640, respectively, and the amplifier module 640 is further electrically connected to the spectrometer 200.

The first selection switch 610 is used to selectively turn on a path between the notching module 620 and the first receiving antenna 112 or the second receiving antenna 122. The notch module 620 is configured to perform suppression processing on a main frequency signal in the radio frequency signals of different frequency bands received by the first receiving antenna 112 or the second receiving antenna 122, so as to prevent nonlinear distortion of the signals.

The filtering module 630 is configured to filter the rf signals of different frequency bands output after being processed by the notch module 620, so as to filter signals that do not need to be tested, thereby reducing interference signals.

The amplifier module 640 is configured to amplify the radio frequency signals of different frequency bands processed by the filtering module 630 and output the amplified radio frequency signals to the spectrometer 200, so as to compensate for loss of the radio frequency signals caused by spatial attenuation and loss on a link.

As shown in fig. 6, in one embodiment, the trap module 620 includes a plurality of traps 623, a second selection switch 621 and a third selection switch 622. The second selection switch 621 includes an input end and a plurality of output ends, the input end of the second selection switch 621 is electrically connected to the output end of the first selection switch 610, and the plurality of output ends of the second selection switch 621 are electrically connected to the input ends of the plurality of wave traps 623 in a one-to-one correspondence. The third selection switch 622 includes a plurality of input terminals and an output terminal, the plurality of input terminals of the third selection switch 622 are respectively electrically connected to the output terminals of the plurality of wave traps 623 in a one-to-one correspondence, and the output terminal of the third selection switch 622 is electrically connected to the filtering module 630.

The plurality of wave traps 623 are respectively configured to suppress main frequency signals in radio frequency signals of different frequency bands. For example, a Sub-6N 41 trap is used to suppress signals in the N41 frequency band.

The second selection switch 621 is used to selectively turn on a path between the target trap and the first receiving antenna 112 or the second receiving antenna 122 according to the control of the controller 300. The third selection switch 622 is used for selectively conducting a path between the target trap and the filtering module 630 according to the control of the controller 300. For example, if the target trap is a Sub-6N 41 trap, the second selection switch 621 turns on the output terminals of the Sub-6N 41 trap and the first selection switch 610, and the first selection switch 610 selectively turns on the path between the Sub-6N 41 trap 623 and the first receiving antenna 112 or the second receiving antenna 122. The third selection switch 622 turns on the path between the Sub-6N 41 trap and the filtering module 630. It is understood that the target trap is one of the plurality of traps 623.

As shown in fig. 7, in one embodiment, the filtering module 630 includes a plurality of filters 633, a fourth selection switch 631, and a fifth selection switch 632. The fourth selection switch 631 includes an input end and a plurality of output ends, the input end of the fourth selection switch 631 is electrically connected to the output end of the notch module 620, and the plurality of output ends of the fourth selection switch 631 are electrically connected to the plurality of filters 633 in a one-to-one correspondence. The fifth selection switch 632 includes a plurality of input terminals and an output terminal, the input terminals of the fifth selection switch 632 are electrically connected to the plurality of filters 633 in a one-to-one correspondence, and the output terminal of the fifth selection switch 632 is electrically connected to the input terminal of the amplifier module 640.

The filters 633 are respectively used for filtering radio frequency signals of different frequency bands. For example, a 1500M low pass filter is used to filter out spurious signals at frequencies above 1500M.

The fourth selection switch 631 is used to selectively turn on a path between the target filter and the notch module 620 according to the control of the controller 300. The fifth selection switch 632 is used for selectively turning on a path between the target filter and the amplifier module 640 according to the control of the controller 300. For example, the target filter is 1500M low-pass filter, the third selection switch 622 turns on the output terminals of the 1500M low-pass filter and the third selection switch 622, and the third selection switch 622 selectively turns on the path between the 1500M low-pass filter and the target trap. The fifth selection switch 632 turns on the path between the 1500M low pass filter and the amplifier module 640. It is understood that the target filter is one of the filters 633.

As shown in fig. 8, in one embodiment, the amplifier module 640 includes a plurality of amplifiers 643, a sixth selection switch 641 and a seventh selection switch 642. The sixth selection switch 641 includes an input end and a plurality of output ends, the input end of the sixth selection switch 641 is electrically connected to the output end of the filtering module 630, and the plurality of output ends of the sixth selection switch 641 are electrically connected to the input ends of the plurality of amplifiers 643 in a one-to-one correspondence; the seventh selection switch 642 includes a plurality of input ends and an output end, the plurality of input ends of the seventh selection switch 642 are respectively electrically connected to the output ends of the plurality of amplifiers 643 in a one-to-one correspondence, and the output end of the seventh selection switch 642 is electrically connected to the spectrometer 200.

The plurality of amplifiers 643 are respectively configured to amplify radio frequency signals in different frequency bands. For example, a 30MHz-6GHz amplifier is used for amplifying signals with 30MHz-6GHz frequency.

The sixth selection switch 641 is configured to selectively turn on a path between the target amplifier and the filtering module 630 according to the control of the controller 300. The seventh selection switch 642 is used for selectively turning on a path between the target amplifier and the spectrometer 200 according to the control of the controller 300. For example, if the target amplifier is a 30MHz-6GHz amplifier, the sixth selection switch 641 turns on the output terminals of the 30MHz-6GHz amplifier and the fifth selection switch 632, and the fifth selection switch 632 selectively turns on the path between the 30MHz-6GHz amplifier and the target filter. The seventh selection switch 642 switches on the path between the 30MHz-6GHz amplifier and the spectrometer 200. It is understood that the target amplifier is one of the amplifiers 643.

In the embodiment of the present application, different test links can be respectively established according to different test specifications by using the radio frequency processing circuit 600, so as to meet more radiation stray test requirements. In one embodiment, the test parameters further include parameters of the wave trap 623, the filter and the amplifier, and when performing the retest verification of the abnormal data, the controller 300 selects the corresponding test link by controlling the first selection switch 610, the second selection switch 621, the third selection switch 622, the fourth selection switch 631, the fifth selection switch 632, the sixth selection switch 641 and the seventh selection switch 642 to implement the retest verification.

As shown in fig. 9, in one embodiment, a radiation stray test method is provided, which can be applied to the above-mentioned radiation stray test apparatus; the method comprises steps 901 to 904:

step 901, controlling a receiving antenna to receive radio frequency signals of preset frequency bands transmitted by terminal equipment under different rotation angles in different polarization directions and heights;

step 902, controlling a frequency spectrograph to perform frequency spectrum analysis on a plurality of radio frequency signals received by a receiving antenna so as to obtain radiation stray data of the terminal equipment;

step 903, identifying abnormal data in each radiation stray data, and acquiring test parameters corresponding to the abnormal data; the abnormal data is at least one of the radiation stray data; the test parameters comprise the rotation angle of the terminal equipment corresponding to the radiation stray data and the polarization direction and height of the receiving antenna;

and 904, retesting and verifying the abnormal data according to the test parameters corresponding to the abnormal data.

With reference to fig. 1, the controller controls the terminal device to transmit the radio frequency signal in the preset frequency band from a rotation angle of 0 ° to 360 °, and controls the receiving antenna to receive the radio frequency signal in different polarization directions (for example, a vertical polarization direction and a horizontal polarization direction) at different heights under each rotation angle (according to a test requirement, the test is performed every other angle, for example, once every 30 ° of rotation), and transmit the radio frequency signal to the spectrometer for spectrum analysis, that is, under each rotation angle of the terminal device, the radio frequency signal received in each polarization direction at each different height of the receiving antenna is output to the spectrometer for spectrum analysis to obtain a corresponding radiation spurious data, and the controller obtains the test parameters of the radiation spurious data when obtaining the radiation spurious data. The controller identifies abnormal data from each radiated stray data obtained by the omnidirectional radiated stray test, carries out retest verification on each abnormal data after the omnidirectional radiated stray test, reproduces the scene of data generation according to the test parameters corresponding to the abnormal data, reproduces the scene including the rotation angle of terminal equipment, the polarization direction of receiving antenna and the height of receiving antenna, and tests again under the reproduction scene, thereby verifying the harmonic signal of the radiated stray test. This embodiment need not all to carry out retest to the spurious data test of omnidirectional radiation, can improve the efficiency of software testing to problem recurrence retest.

In one embodiment, the abnormal data is the radiation spurious data with the spurious signal intensity greater than a first preset value, or the radiation spurious data with the spurious signal intensity smaller than the first preset value and the difference value with the first preset value smaller than a second preset value.

The first preset value can be a stray signal intensity limit value, and when the stray signal intensity is greater than the first preset value, the radiated stray data can be judged to be abnormal data; the second preset value may be a margin, when the intensity of the spurious signal is smaller than the first preset value, a difference between the spurious signal and the first preset value is calculated, and if the difference is smaller than the second preset value, the spurious data may be determined to be abnormal data. For example, the first preset value is-36 dB, the second preset value is 3dB, and if the stray signal intensity of the radio frequency signal of 100MHz is-32 dB, that is, greater than the first preset value, it can be determined as abnormal data; if the stray signal intensity of the 150MHz radio frequency signal is-37 dB, i.e. smaller than the first preset value, and the difference value from the first preset value is 1dB, the difference value is smaller than the second preset value, i.e. the margin is insufficient, it can be determined as abnormal data.

As shown in fig. 10, in one embodiment, the step of identifying abnormal data in each of the radiation stray data and acquiring test parameters corresponding to the abnormal data includes steps 1001 to 1002:

step 1001, screening out radiated stray data with the maximum stray signal intensity in radio frequency signals of different preset frequency bands as data to be identified;

step 1002, judging whether the stray signal intensity of the data to be identified is greater than a first preset value or whether the stray signal intensity of the data to be identified is smaller than the first preset value and the difference value between the first preset value and the stray signal intensity of the data to be identified is smaller than a second preset value;

step 1003, if the stray signal intensity of the screened radiated stray data is greater than a first preset value or whether the stray signal intensity of the data to be identified is smaller than the first preset value and the difference value between the stray signal intensity of the data to be identified and the first preset value is smaller than a second preset value, identifying the data to be identified as abnormal data and acquiring a test parameter corresponding to the abnormal data;

step 1004, if the stray signal intensity of the screened radiated stray data is smaller than a first preset value and the difference value with the first preset value is not smaller than a second preset value, determining that the data is normal data.

Under the condition that the highest stray signal needs to be found in the retest of the radiated stray test, the retest of all data exceeding the limit value or having insufficient margin is not needed, the radiated stray data with the maximum stray signal intensity in the radio frequency signal test of each frequency band can be firstly screened out as the data to be identified, then the data to be identified is judged, and finally the radiated stray data with the maximum stray signal intensity and the abnormal stray signal intensity in the radio frequency signal of the frequency band is identified as the abnormal data to be retested; and determining that the data is abnormal if the stray signal intensity is greater than a first preset value or the stray signal intensity of the data to be identified is smaller than the first preset value and the difference value between the stray signal intensity of the data to be identified and the first preset value is smaller than a second preset value. The embodiment can reduce the retest data volume and improve the test efficiency.

As shown in fig. 11, in one embodiment, the step of retesting and verifying the abnormal data according to the test parameters corresponding to the abnormal data includes steps 1101 to 1102:

step 1101, controlling a rotating assembly to drive the terminal device to rotate to a target rotation angle according to the test parameters corresponding to the abnormal data, and controlling a receiving antenna to adjust to a target polarization direction and a target height; the target polarization direction and the target height are respectively the polarization direction of the receiving antenna corresponding to the abnormal data and the height of the receiving antenna corresponding to the abnormal data;

step 1102, controlling a frequency spectrograph to acquire a target radio frequency signal and perform frequency spectrum analysis to realize retest verification of abnormal data; the target radio frequency signal is a radio frequency signal which is transmitted by the terminal equipment and is received by the receiving antenna in the target polarization direction and the target height under the target rotation angle.

The test scene of abnormal data is reproduced by adjusting the rotation angle of the terminal equipment to the target and adjusting the receiving antenna to the target polarization direction and the target height, and the target radio-frequency signal received by the receiving antenna is subjected to spectrum analysis by the frequency spectrograph, so that the retest can be completed, and the retest efficiency is improved.

As shown in fig. 12, in one embodiment, the test parameters further include an operating frequency band of the radio frequency signal; the step of retesting and verifying the abnormal data according to the test parameters corresponding to the abnormal data includes steps 1201 to 1203:

step 1201, controlling a rotating assembly to drive the terminal equipment to rotate to a target rotation angle according to the test parameters corresponding to the abnormal data, and controlling a receiving antenna to adjust to a target polarization direction and a target height;

step 1202, controlling the terminal equipment to transmit the radio frequency signal of the working frequency band corresponding to the abnormal data according to the test parameters;

step 1203, controlling the frequency spectrograph to obtain the target radio frequency signal and perform frequency spectrum analysis to achieve retest verification of the abnormal data.

Under the condition that the radio-frequency signals of multiple frequency bands need to be tested, the controller can also control the terminal equipment to transmit the radio-frequency signals of the working frequency bands corresponding to the abnormal data according to the test parameters, adjust the terminal equipment to rotate to a target rotation angle, adjust the receiving antenna to a target polarization direction and a target height, and reproduce a test scene of the abnormal data, so that retest verification of the abnormal data of the radio-frequency signals of different frequency bands can be realized.

As shown in fig. 13, in one embodiment, the step of retesting and verifying the abnormal data according to the test parameters corresponding to the abnormal data includes steps 1301 to 1304:

step 1301, controlling a rotating assembly to drive the terminal equipment to rotate to a target rotation angle according to the test parameters corresponding to the abnormal data, and controlling a receiving antenna to adjust to a target polarization direction and a target height;

step 1302, controlling a frequency spectrograph to acquire a target radio frequency signal and perform frequency spectrum analysis to realize retest verification of abnormal data;

step 1303, controlling the terminal device to rotate by a first angle along a first direction with a target rotation angle as a starting point, and controlling a frequency spectrograph to perform frequency spectrum analysis on a radio-frequency signal transmitted by the terminal device at the first angle of rotation;

step 1304, controlling the terminal device to rotate by a second angle along a second direction with the target rotation angle as a starting point, and controlling the spectrometer to perform spectrum analysis on the radio frequency signal transmitted by the terminal device when the target rotation angle is at the second angle; the first direction and the second direction are one of a clockwise direction and a counterclockwise direction, respectively.

The first angle and the second angle may be the same or different. In this embodiment, after the retesting of the abnormal data is completed, the rotation angle of the terminal device is adjusted, the target rotation angle is taken as a starting point, the terminal device is rotated by a first angle along a first direction, the receiving antenna receives the radio frequency signal transmitted by the current terminal device in a target polarization direction and a target height, the spectrum analysis is performed through the spectrometer, and the radio frequency signal transmitted after the first angle is rotated is also subjected to test analysis; and then, the target rotation angle is used as a starting point, the second angle is rotated along the second direction, the receiving antenna receives the radio-frequency signal transmitted by the current terminal equipment in the target polarization direction and the target height, the frequency spectrum analysis is carried out through the frequency spectrograph, the radio-frequency signal transmitted after the second angle is rotated is also tested and analyzed, the maximum stray signal at a proper angle can be found out through a retest structure, and the accuracy of the stray signal test is improved.

It should be understood that although the various steps in the flowcharts of fig. 9-13 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 9-13 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps or stages.

In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:

step 903, identifying abnormal data in each radiation stray data, and acquiring test parameters corresponding to the abnormal data; the abnormal data is at least one of the radiation stray data;

In one embodiment, the processor, when executing the computer program, further performs the steps of:

step 1101, controlling a rotating assembly to drive the terminal device to rotate to a target rotation angle according to the test parameters corresponding to the abnormal data, and controlling a receiving antenna to adjust to a target polarization direction and a target height;

step 1102, controlling a frequency spectrograph to acquire a target radio frequency signal and perform frequency spectrum analysis to realize retest verification of abnormal data.

and 1304, controlling the terminal device to rotate by a second angle along a second direction by taking the target rotation angle as a starting point, and controlling the spectrometer to perform spectrum analysis on the radio-frequency signal transmitted by the terminal device at the second angle of rotation.

In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which when executed by a processor performs the steps of:

In one embodiment, the computer program when executed by the processor further performs the steps of:

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.

In the description herein, reference to the description of the terms "in one of the embodiments," "exemplary," "specific," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The radiation stray test equipment is characterized by being used for testing radiation stray data of terminal equipment; the apparatus comprises:

the controller is electrically connected with the adjusting mechanism and the frequency spectrograph respectively, and is used for controlling the terminal equipment to adjust the rotation angle and controlling the adjusting mechanism to adjust the polarization direction and the height of the receiving antenna; the controller is further configured to acquire test parameters of each of the spurious radiation data, identify abnormal data according to the spurious radiation data fed back by the spectrometer, determine corresponding test parameters according to the abnormal data, and control the adjustment mechanism and the terminal device to perform test scene reproduction based on the test parameters corresponding to the abnormal data, so as to perform retest verification; wherein the test parameters include a rotation angle of the terminal device corresponding to the radiation spurious data and a polarization direction and a height of the receiving antenna.

2. The radiated stray test apparatus according to claim 1, further comprising:

the rotating assembly is electrically connected with the controller and used for driving the terminal equipment to rotate;

the controller is further used for controlling the rotating component to drive the terminal device to rotate to different rotation angles; the controller is further used for controlling the rotating assembly to rotate to a target rotating angle according to the test parameters corresponding to the abnormal data when retest verification is carried out on the abnormal data; wherein the target rotation angle is a rotation angle corresponding to the abnormality data.

3. The radiated stray test apparatus according to claim 1, further comprising:

the comprehensive tester is coupled with the terminal equipment, and is used for exciting the terminal equipment to transmit the radio-frequency signal of the preset frequency band and enabling the terminal equipment to work in a maximum transmission power state;

the controller is further electrically connected with the comprehensive tester and is further used for acquiring the working frequency bands of the radio-frequency signals corresponding to the radiation stray data and controlling the comprehensive tester to excite the terminal equipment to transmit the radio-frequency signals of the corresponding working frequency bands when retest verification is carried out on the abnormal data.

4. The radiated spurious test apparatus of claim 1, wherein the antenna tower module comprises:

the antenna tower comprises a first antenna tower and a second antenna tower, wherein the first antenna tower comprises a first adjusting mechanism and a first receiving antenna used for receiving radio-frequency signals in a high-frequency band, and the first adjusting mechanism is used for supporting the first receiving antenna; the first adjusting mechanism is used for adjusting the polarization direction and the height of the first receiving antenna;

the second antenna tower comprises a second adjusting mechanism and a second receiving antenna used for receiving the low-frequency band radio-frequency signals, and the second adjusting mechanism is used for supporting the second receiving antenna; the second adjusting mechanism is used for adjusting the polarization direction and the height of the second receiving antenna;

the radiated spurious test apparatus further includes:

and the radio frequency processing circuit is respectively electrically connected with the first receiving antenna, the second receiving antenna and the frequency spectrograph, and is used for selectively conducting a radio frequency path between the first receiving antenna or the second receiving antenna and the frequency spectrograph, amplifying and filtering the radio frequency signals received by the first receiving antenna or the second receiving antenna, and then outputting the radio frequency signals to the frequency spectrograph.

5. The radiated spurious test apparatus of claim 4, wherein the radio frequency processing circuitry includes:

the first selection switch comprises two input ends and an output end, and the two input ends of the first selection switch are respectively and electrically connected with the first receiving antenna and the second receiving antenna;

the notch module is electrically connected with the output end of the first selection switch and is used for inhibiting main frequency signals in radio frequency signals of different frequency bands received by the first receiving antenna or the second receiving antenna;

the filtering module is electrically connected with the trap module and is used for filtering the radio frequency signals of different frequency bands output by the trap module;

and the amplifier module is respectively electrically connected with the filtering module and the frequency spectrograph and is used for amplifying the radio-frequency signals of different frequency bands filtered by the filtering module and outputting the radio-frequency signals to the frequency spectrograph.

6. The radiated stray test apparatus of claim 5, wherein the notch module includes:

the plurality of wave traps are respectively used for inhibiting main frequency signals in radio frequency signals of different frequency bands;

the second selection switch comprises an input end and a plurality of output ends, the input end of the second selection switch is electrically connected with the output end of the first selection switch, and the plurality of output ends of the second selection switch are respectively and correspondingly electrically connected with the input ends of the wave traps one by one; the second selection switch is used for selectively conducting a path between the target wave trap and the first receiving antenna or the second receiving antenna according to the control of the controller;

the third selector switch comprises a plurality of input ends and an output end, the input ends of the third selector switch are respectively and correspondingly electrically connected with the output ends of the wave traps one by one, and the output end of the third selector switch is electrically connected with the filtering module; the third selection switch is used for selectively conducting a path between the target wave trap and the filtering module according to the control of the controller; wherein the target trap is one of the plurality of traps.

7. The radiated spurious test apparatus of claim 5, wherein the filtering module comprises:

the filters are respectively used for filtering the radio frequency signals of different frequency bands;

the input end of the fourth selector switch is electrically connected with the output end of the trap module, and the output ends of the fourth selector switch are respectively and correspondingly electrically connected with the filters one by one; the fourth selection switch is used for selectively conducting a path between a target filter and the notch module according to the control of the controller;

the fifth selection switch comprises a plurality of input ends and an output end, the plurality of input ends of the fifth selection switch are respectively and correspondingly electrically connected with the plurality of filters, and the output end of the fifth selection switch is electrically connected with the input end of the amplifier module; the fifth selection switch is used for selectively conducting a path between the target filter and the amplifier module according to the control of the controller; wherein the target filter is one of a plurality of the filters.

8. The radiated spurious test apparatus of claim 5, wherein the amplifier module includes:

the amplifiers are respectively used for amplifying the radio frequency signals of different frequency bands;

the sixth selection switch comprises an input end and a plurality of output ends, the input end of the sixth selection switch is electrically connected with the output end of the filtering module, and the plurality of output ends of the sixth selection switch are respectively and correspondingly electrically connected with the input ends of the plurality of amplifiers one by one; the sixth selection switch is used for selectively conducting a path between the target amplifier and the filtering module according to the control of the controller;

the seventh selection switch comprises a plurality of input ends and an output end, the plurality of input ends of the seventh selection switch are respectively and correspondingly electrically connected with the output ends of the plurality of amplifiers, and the output end of the seventh selection switch is electrically connected with the frequency spectrograph and used for selectively conducting a path between the target amplifier and the frequency spectrograph according to the control of the controller; wherein the target amplifier is one of a plurality of the amplifiers.

9. The radiation stray test method is characterized by being applied to radiation stray test equipment, wherein the radiation stray test equipment is used for testing radiation stray data of terminal equipment; the method comprises the following steps:

10. The method according to claim 9, wherein the abnormal data is spurious radiation data with a spurious signal strength greater than a first predetermined value, or spurious radiation data with a spurious signal strength less than the first predetermined value and a difference from the first predetermined value less than a second predetermined value.

11. The method according to claim 9, wherein the step of identifying abnormal data in each of the stray radiation data and obtaining test parameters corresponding to the abnormal data comprises:

screening out radiated stray data with the maximum stray signal intensity in radio frequency signals of different preset frequency bands as data to be identified;

and if the stray signal intensity of the data to be identified is greater than a first preset value or the stray signal intensity of the data to be identified is less than the first preset value and the difference value between the first preset value and the stray signal intensity of the data to be identified is less than a second preset value, identifying the data to be abnormal and acquiring test parameters corresponding to the abnormal data.

12. The method according to claim 9, wherein the step of performing retest validation on the abnormal data according to the test parameters corresponding to the abnormal data comprises:

controlling a rotating assembly to drive the terminal equipment to rotate to a target rotation angle according to the test parameters corresponding to the abnormal data, and controlling the receiving antenna to adjust to a target polarization direction and a target height; the target polarization direction and the target height are respectively the polarization direction of a receiving antenna corresponding to the abnormal data and the height of the receiving antenna corresponding to the abnormal data;

controlling a frequency spectrograph to obtain a target radio frequency signal and performing frequency spectrum analysis to realize retesting and verification of the abnormal data; wherein the target radio frequency signal is a radio frequency signal transmitted by the terminal device at the target rotation angle and received by the receiving antenna at the target polarization direction and the target height.

13. The radiated spurious test method of claim 12, wherein the test parameters further include an operating frequency band of the radio frequency signal;

the step of executing the control spectrometer to acquire a target radio frequency signal and perform spectrum analysis so as to realize retest verification of the abnormal data further comprises the following steps:

and controlling the terminal equipment to transmit the radio frequency signal of the working frequency band corresponding to the abnormal data according to the test parameters.

14. The method according to claim 12, wherein the step of performing retest validation on the abnormal data according to the test parameters corresponding to the abnormal data further comprises:

controlling the terminal device to rotate by a first angle along a first direction by taking the target rotation angle as a starting point, and controlling the spectrometer to perform spectrum analysis on a radio-frequency signal transmitted by the terminal device when the target rotation angle is rotated by the first angle;

controlling the terminal device to rotate by a second angle along a second direction by taking the target rotation angle as a starting point, and controlling the frequency spectrograph to perform spectrum analysis on the radio-frequency signal transmitted by the terminal device when the target rotation angle is rotated by the second angle; the first direction and the second direction are one of a clockwise direction and a counterclockwise direction, respectively.

15. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor realizes the steps of the method of any one of claims 9 to 14 when executing the computer program.

16. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 9 to 16.