CN103684506A - Radio frequency comprehensive module based on four-unit phased-array antennas multiplexing - Google Patents
Radio frequency comprehensive module based on four-unit phased-array antennas multiplexing Download PDFInfo
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Abstract
The invention discloses a radio frequency comprehensive module based on four-unit phased-array antenna multiplexing. The radio frequency comprehensive module based on four-unit phased-array antennas multiplexing comprises an emission channel, a receiving channel, a switch matrix, an upper directive antenna and a lower directive antenna. Through fusion of the emission channel and the receiving channel of radio frequency and the reasonable dispatching of upper directive antenna resources and lower directive antenna resources, all the functions of an ACAS receiving and transmitting host radio frequency module and an S-mode responder module can be achieved in one radio frequency module, the weight, the size, the power consumption and the cost of onboard anti-collision and ground proximity alarm system equipment are reduced, and the reliability and the extensibility of the equipment are improved.
Description
Technical field
The invention belongs to aeronautical technology field, particularly a kind of based on the multiplexing S pattern answering machine of four Element Phased Array Antennas and ACAS transmitting-receiving main frame radio-frequency module integrated system.
Background technology
S pattern answering machine radio-frequency module major function is from the aircraft of ground ATC station and installation ACAS, to receive request signal (frequency 1030MHz) by upper and lower omnidirectional antenna, offers signal processing module decoding, deal with data and sends on request answer signal (frequency 1090MHz).
ACAS transmitting-receiving main frame radio-frequency module major function is by upper and lower directional antenna transmitting request signal (frequency 1030MHz), near the signal (frequency 1090MHz) of blank pipe answering machine on the aircraft of spatial domain receiving, offers signal processing module and completes obtaining of the information such as distance to target aircraft, speed, flying height, orientation.
In current airborne collision avoidance system, S pattern answering machine and ACAS transmitting-receiving main frame are two LRU (outfield replaceable units).Airborne anti-hit ground proximity warning system technical research in for mitigation system weight, volume, power consumption, cost, need to be by S pattern answering machine and ACAS transmitting-receiving main frame comprehensively to a cabinet the inside, this carries out the radio-frequency module of these two LRU comprehensively with regard to requiring.
Summary of the invention
It is a kind of based on the multiplexing radio-frequency module integrated system of four Element Phased Array Antennas that goal of the invention of the present invention is to provide, by the rational management to the fusion of radio-frequency transmissions passage, receive path and upper and lower directional antenna resource, can realize the repertoire that completes ACAS transmitting-receiving main frame radio-frequency module and S pattern transponder modules in a radio-frequency module, alleviate airborne anti-hit ground proximity warning system weight of equipment, volume, power consumption, cost, increase equipment dependability and extensibility.
Goal of the invention of the present invention is achieved through the following technical solutions:
Based on the multiplexing rf integration module of four Element Phased Array Antennas, comprise transmission channel, receive path, switch matrix, antenna element, rf integration module, according to the send and receive of the control settling signal of baseband processing module, is characterized in that:
Described transmission channel is controlled by baseband processing module and is selected to produce 1030MHz and two kinds of source signals of 1090MHz, and according to the control of baseband processing module, completes phase shift, decay, modulation, the amplification of the machine ACAS1030MHz request signal, S pattern answering machine 1090MHz answer signal, 1030MHz transmitting calibration signal, 1090MHz transmitting calibration signal, 1090MHz reception calibrating signal;
Described receive path is accepted other aircrafts 1090MHz answer signal, 1030MHz request signal outputs to ACAS receiver, S pattern receiver; Accepting the machine 1030MHz transmitting calibration signal, 1090MHz transmitting calibration signal, 1090MHz receives calibrating signal and delivers to the receiving branch of ACAS receiver, S pattern receiver and carry out phase difference calculating for the calibration of transmission channel and receive path;
Described switch matrix is connected with antenna element by radio frequency cable, according to job requirement, connects antenna element and transmission channel and receive path;
Described antenna element comprises directional antenna, lower directional antenna, upper directional antenna, lower directional antenna are four Element Phased Array Antennas, and two groups of antennas complete following function: form the machine ACAS1030MHz request signal at spatial orientation radiation and S pattern answering machine 1090MHz answer signal the omnidirectional radiation in space; Complete the real-time directional reception of other aircrafts 1090MHz answer signal, 1030MHz request signal; According to baseband processing module, control and select a unit of upper directional antenna, lower directional antenna to form the space radiation of the machine 1090MHz reception calibrating signal, its excess-three unit receives this reception calibrating signal.
According to above-mentioned feature, described receive path comprises four-way ACAS receiver and two passage S pattern receivers, and wherein four-way ACAS receiver completes to other aircrafts 1090MHz answer signal, the machine 1090MHz are received the down-converted of calibrating signal and 1090MHz transmitting calibration signal and separate envelope processing; Two passage S pattern receivers complete the down-converted of other aircrafts 1030MHz request signal and the machine 1030MHz transmitting calibration signal and separate envelope processing.
According to above-mentioned feature, described switch matrix comprises that 8 transmit-receive switches, 4 upper and lower directional antenna transmitting selector switches, 4 upper and lower directional antennas receive selector switch, for realizing the transmitting of the machine ACAS1030MHz request signal, S pattern answering machine 1090MHz answer signal, other aircrafts 1090MHz answer signal, the reception of 1030MHz request signal and the transmitting-receiving of each calibrating signal.
According to above-mentioned feature, described switch matrix comprises 8 duplexers, 2 mixers, and other aircrafts 1090MHz answer signal is realized four road answer signal real-time streams by duplexer and done down-converted to ACAS receiver; 1030MHz request signal, through duplexer, produces upper and lower antenna Ge Si road 1030MHz request signal, and by the synthetic upper and lower directional antenna Ge Yi of two-way mixer road 1030MHz request signal, real-time streams is done down-converted to S pattern receiver.
According to above-mentioned feature, described switch matrix comprises 8 couplers, 2 transmitting calibration switches, 1030MHz, 1090MHz transmitting calibration signal are exported coupled signal through coupler, by transmitting calibration switch, select input for doing down-converted for the receiver that receives this transmitting calibration signal.
According to above-mentioned feature, described transmission channel comprises power splitter, baseband processing module control transmission channel and produce 1030MHz and 1090MHz two provenances and complete modulation after through power splitter Yi Fen tetra-tunnels, four road signals are exported to switch matrix through attenuator, phase shifter, power amplification link respectively, realize orientation or theaomni-directional transmission.
Compared with prior art, beneficial effect of the present invention is that the present invention can be the airborne anti-repertoire that ground proximity warning system provides ACAS transmitting-receiving main frame radio-frequency module and S pattern transponder modules that hits by a rf integration module, alleviate airborne anti-hit ground proximity warning system weight of equipment, volume, power consumption, cost, increase equipment dependability and extensibility, simultaneously to transmission channel and receive path calibration.
Accompanying drawing explanation
Fig. 1 is overall system block diagram of the present invention
Fig. 2 is detailed design figure of the present invention
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
A kind of hardware structure diagram based on the multiplexing rf integration module of four Element Phased Array Antennas of the present invention as shown in Figure 1, comprise a kind of based on the multiplexing rf integration module of four Element Phased Array Antennas, comprise transmission channel, receive path, switch matrix, antenna element, rf integration module is according to the send and receive of the control settling signal of baseband processing module.
Transmission channel is controlled by baseband processing module and is selected to produce 1030MHz and two kinds of source signals of 1090MHz, and according to the control of baseband processing module, completes phase shift, decay, modulation, the amplification of the machine ACAS1030MHz request signal, S pattern answering machine 1090MHz answer signal, 1030MHz transmitting calibration signal, 1090MHz transmitting calibration signal, 1090MHz reception calibrating signal.
Receive path is accepted other aircrafts 1090MHz answer signal, 1030MHz request signal outputs to ACAS receiver, S pattern receiver; Accepting 1030MHz transmitting calibration signal, 1090MHz transmitting calibration signal, 1090MHz receives calibrating signal and delivers to the receiving branch of ACAS receiver, S pattern receiver and carry out phase difference calculating for transmission channel and the calibration of accepting passage.
Switch matrix is connected with antenna element by radio frequency cable, according to job requirement, connects antenna element and transmission channel and receive path.
Antenna element comprises directional antenna, lower directional antenna, upper directional antenna, lower directional antenna are four Element Phased Array Antennas, and two groups of antennas complete following function: form the machine ACAS1030MHz request signal at spatial orientation radiation and S pattern answering machine 1090MHz answer signal the omnidirectional radiation in space; Complete the real-time directional reception of other aircrafts 1090MHz answer signal, 1030MHz request signal; According to baseband processing module, control and select a unit to form the space radiation of 1090MHz reception calibrating signal, its excess-three unit receives this reception calibrating signal.
Fig. 2 is detailed design figure of the present invention, now in conjunction with this design drawing, radio frequency flow process of the present invention is done to an explanation.
Under the machine ACAS1030MHz interrogation signal transmission state, switch matrix state is: upper directional antenna Unit four that the upper and lower antenna change-over switch selection of four road transmission channels is corresponding or lower directional antenna Unit four, No. eight transmit-receive switches are placed in emission state.Transmission channel is controlled by baseband processing module and is selected to produce 1030MHz source, low-power 1030MHz radiofrequency signal is through power splitter Gong Fen tetra-tunnels, then phase shift, decay, modulation, the power amplification of settling signal in the transmission channel of Si road, finally by the external directional transmissions of four unit directional antennas.
Under the machine S pattern answering machine 1090MHz answer signal emission state, switch matrix state is: the upper and lower antenna change-over switch of four road transmission channels is selected corresponding upper antenna Unit four or lower antenna Unit four, and No. eight transmit-receive switches are placed in emission state.Transmission channel is controlled by baseband processing module and is selected to produce 1090MHz source, low-power 1090MHz radiofrequency signal is through power splitter Gong Fen tetra-tunnels, then modulation, decay, phase shift, the power amplification of settling signal in the transmission channel of Si road, finally by the external theaomni-directional transmission of four unit directional antennas.
Under other aircrafts 1090MHz answer signal accepting state, switch matrix state is: No. eight transmit-receive switches are placed in the signal of upper directional antenna Unit four corresponding to accepting state, the upper and lower antenna selection switch selective reception of four road receive paths or the four unit transmission of lower directional antenna, and two-way calibration switch is closed.After radiofrequency signal receives by four unit directional antennas, in switch matrix module, by 1030/1090MHz duplexer, realize four tunnels reception signal (1090MHz) real-time streams and do down-converted to four-way ACAS receiver.
Under other aircrafts 1030MHz answer signal accepting state, switch matrix state is: No. eight transmit-receive switches are placed in accepting state, the signal of upper directional antenna Unit four that the upper and lower antenna selection switch selective reception of four road receive paths is corresponding or the four unit transmission of lower directional antenna, two-way calibration switch is closed.After radiofrequency signal receives by four unit directional antennas, in switch matrix module, pass through 1030/1090MHz duplexer, produce upper and lower antenna Ge Si road and receive signal (1030MHz), by the synthetic upper and lower directional antenna Ge Yi of two-way mixer road, receive signal (1030MHz), real-time streams is done down-converted to two passage S pattern receivers.
Under the machine 1090MHz transmitting calibration state, switch matrix state is: the passage respective antenna that No. eight transmit-receive switches selections need to be calibrated is placed in emission state, transmitting calibration switch is placed in 1090MHz transmitting calibration state.Baseband processing module is controlled needs the passage of calibration transmitting 1090MHz radiofrequency signal, this signal is exported coupled signal through coupler, by transmitting calibration switch, selecting input to be used for receiving this calibrating signal 1090MHz receiver does down-converted and inputs that receiving branch carries out phase difference and transmitting power is calculated, realize the calibration of 1090MHz transmission channel.
Under the machine 1030MHz transmitting calibration state, switch matrix state is: the passage respective antenna that No. eight transmit-receive switches selections need to be calibrated is placed in emission state, transmitting calibration switch is placed in 1030MHz transmitting calibration state.Baseband processing module is controlled needs the passage of calibration transmitting 1030MHz radiofrequency signal, this signal is exported coupled signal through coupler, by transmitting calibration switch, select input for doing down-converted and input that receiving branch carries out phase difference and transmitting power is calculated for receiving this calibrating signal 1030MHz receiver, realize the calibration of 1030MHz transmission channel.。
The machine 1090MHz receives under align mode, switch matrix state is: the passage respective antenna that No. eight transmit-receive switches selections need to be calibrated is placed in emission state, remaining antenna is placed in accepting state, the upper and lower antenna change-over switch of four road transmission channels is selected corresponding upper antenna or the lower antenna of calibrated channel, the upper antenna that the upper and lower antenna change-over switch selective reception of four road receive paths is corresponding or the signal of lower antenna transmission, transmitting calibration switch cuts out.Baseband processing module is controlled needs the passage of calibration transmitting 1090MHz radiofrequency signal, this signal is received by rest channels by Space Coupling in antenna end, in switch matrix module, by 1030/1090MHz duplexer, realize three road ACAS reception signal (1090MHz) real-time streams and do down-converted to ACAS receiver, input receiving branch carries out phase difference and transmitting power is calculated, and realizes the calibration of 1090MHz receive path.
Claims (6)
1. based on the multiplexing rf integration module of four Element Phased Array Antennas, comprise transmission channel, receive path, switch matrix, antenna element, rf integration module, according to the send and receive of the control settling signal of baseband processing module, is characterized in that:
Described transmission channel is controlled by baseband processing module and is selected to produce 1030MHz and two kinds of source signals of 1090MHz, and according to the control of baseband processing module, completes phase shift, decay, modulation, the amplification of the machine ACAS1030MHz request signal, S pattern answering machine 1090MHz answer signal, 1030MHz transmitting calibration signal, 1090MHz transmitting calibration signal, 1090MHz reception calibrating signal;
Described receive path is accepted other aircrafts 1090MHz answer signal, 1030MHz request signal outputs to ACAS receiver, S pattern receiver; Accepting the machine 1030MHz transmitting calibration signal, 1090MHz transmitting calibration signal, 1090MHz receives calibrating signal and delivers to the receiving branch of ACAS receiver, S pattern receiver and carry out phase difference calculating for the calibration of transmission channel and receive path;
Described switch matrix is connected with antenna element by radio frequency cable, according to job requirement, connects antenna element and transmission channel and receive path;
Described antenna element comprises directional antenna, lower directional antenna, upper directional antenna, lower directional antenna are four Element Phased Array Antennas, and two groups of antennas complete following function: form the machine ACAS1030MHz request signal at spatial orientation radiation and S pattern answering machine 1090MHz answer signal the omnidirectional radiation in space; Complete the real-time directional reception of other aircrafts 1090MHz answer signal, 1030MHz request signal; According to baseband processing module, control and select a unit of upper directional antenna, lower directional antenna to form the space radiation of the machine 1090MHz reception calibrating signal, its excess-three unit receives this reception calibrating signal.
2. according to claim 1 a kind of based on the multiplexing rf integration module of four Element Phased Array Antennas, it is characterized in that described receive path comprises four-way ACAS receiver and two passage S pattern receivers, wherein four-way ACAS receiver completes to other aircrafts 1090MHz answer signal, the machine 1090MHz is received the down-converted of calibrating signal and 1090MHz transmitting calibration signal and separate envelope processing; Two passage S pattern receivers complete the down-converted of other aircrafts 1030MHz request signal and the machine 1030MHz transmitting calibration signal and separate envelope processing.
3. according to claim 1 a kind of based on the multiplexing rf integration module of four Element Phased Array Antennas, it is characterized in that described switch matrix comprises that 8 transmit-receive switches, 4 upper and lower directional antenna transmitting selector switches, 4 upper and lower directional antennas receive selector switch, for realizing the transmitting of the machine ACAS1030MHz request signal, S pattern answering machine 1090MHz answer signal, other aircrafts 1090MHz answer signal, the reception of 1030MHz request signal and the transmitting-receiving of each calibrating signal.
4. according to claim 1 a kind of based on the multiplexing rf integration module of four Element Phased Array Antennas, it is characterized in that described switch matrix comprises 8 duplexers, 2 mixers, other aircrafts 1090MHz answer signal is realized four road answer signal real-time streams by duplexer and is done down-converted to ACAS receiver; 1030MHz request signal, through duplexer, produces upper and lower antenna Ge Si road 1030MHz request signal, and by the synthetic upper and lower directional antenna Ge Yi of two-way mixer road 1030MHz request signal, real-time streams is done down-converted to S pattern receiver.
5. according to claim 1 a kind of based on the multiplexing rf integration module of four Element Phased Array Antennas, it is characterized in that described switch matrix comprises 8 couplers, 2 transmitting calibration switches, 1030MHz, 1090MHz transmitting calibration signal are exported coupled signal through coupler, by transmitting calibration switch, select input for doing down-converted for the receiver that receives this transmitting calibration signal.
6. according to claim 1 a kind of based on the multiplexing rf integration module of four Element Phased Array Antennas, it is characterized in that: described transmission channel comprises power splitter, baseband processing module control transmission channel and produce 1030MHz and 1090MHz two provenances and complete modulation after through power splitter Yi Fen tetra-tunnels, four road signals are exported to switch matrix through attenuator, phase shifter, power amplification link respectively, realize orientation or theaomni-directional transmission.
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| CN104270165A (en) * | 2014-09-29 | 2015-01-07 | 陕西宝成航空仪表有限责任公司 | Integrated system of radio frequency transceivers of air traffic collision avoidance system and S mode responder |
| CN104330777A (en) * | 2014-11-25 | 2015-02-04 | 成都金本华科技股份有限公司 | Self-calibration method for receiving-transmitting channel of active phased array radar |
| CN105610461A (en) * | 2016-01-06 | 2016-05-25 | 中国航空无线电电子研究所 | Antenna coupling characteristic integrated radio frequency integration module |
| CN107534223A (en) * | 2015-04-17 | 2018-01-02 | 苹果公司 | Electronic equipment with millimeter wave antenna |
| CN108008347A (en) * | 2017-11-15 | 2018-05-08 | 中国航空无线电电子研究所 | Direction-finding method for ACAS |
| CN109343010A (en) * | 2018-08-22 | 2019-02-15 | 北京遥感设备研究所 | One kind of multiple class answering machine microwave link test devices |
| CN109687917A (en) * | 2018-12-25 | 2019-04-26 | 京信通信系统（中国）有限公司 | A kind of Active Arrays |
| CN109859534A (en) * | 2019-01-29 | 2019-06-07 | 中国航空无线电电子研究所 | Answering machine based on four unit directional antennas |
| CN110780267A (en) * | 2019-10-31 | 2020-02-11 | 四川九洲空管科技有限责任公司 | Self-checking method for receiving and transmitting channel of navigation management inquiry response simulator |
| CN113406568A (en) * | 2021-05-06 | 2021-09-17 | 深圳市常茂信科技开发有限公司 | Antenna control device, method and radar |
| CN114664124A (en) * | 2022-04-15 | 2022-06-24 | 四川九洲空管科技有限责任公司 | Airborne comprehensive anti-collision system of aircraft and implementation method thereof |
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Cited By (19)
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| CN104270165A (en) * | 2014-09-29 | 2015-01-07 | 陕西宝成航空仪表有限责任公司 | Integrated system of radio frequency transceivers of air traffic collision avoidance system and S mode responder |
| CN104330777B (en) * | 2014-11-25 | 2017-01-11 | 成都金本华科技股份有限公司 | Self-calibration method for receiving-transmitting channel of active phased array radar |
| CN104330777A (en) * | 2014-11-25 | 2015-02-04 | 成都金本华科技股份有限公司 | Self-calibration method for receiving-transmitting channel of active phased array radar |
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| CN108008347B (en) * | 2017-11-15 | 2021-07-16 | 中国航空无线电电子研究所 | Direction finding method for ACAS |
| CN109343010A (en) * | 2018-08-22 | 2019-02-15 | 北京遥感设备研究所 | One kind of multiple class answering machine microwave link test devices |
| CN109687917A (en) * | 2018-12-25 | 2019-04-26 | 京信通信系统（中国）有限公司 | A kind of Active Arrays |
| CN109687917B (en) * | 2018-12-25 | 2021-04-20 | 京信通信系统（中国）有限公司 | Active array antenna |
| CN109859534A (en) * | 2019-01-29 | 2019-06-07 | 中国航空无线电电子研究所 | Answering machine based on four unit directional antennas |
| CN110780267B (en) * | 2019-10-31 | 2021-06-11 | 四川九洲空管科技有限责任公司 | Self-checking method for receiving and transmitting channel of navigation management inquiry response simulator |
| CN110780267A (en) * | 2019-10-31 | 2020-02-11 | 四川九洲空管科技有限责任公司 | Self-checking method for receiving and transmitting channel of navigation management inquiry response simulator |
| CN113406568A (en) * | 2021-05-06 | 2021-09-17 | 深圳市常茂信科技开发有限公司 | Antenna control device, method and radar |
| CN113406568B (en) * | 2021-05-06 | 2024-01-30 | 深圳市常茂信科技开发有限公司 | Antenna control device, method and radar |
| CN114664124A (en) * | 2022-04-15 | 2022-06-24 | 四川九洲空管科技有限责任公司 | Airborne comprehensive anti-collision system of aircraft and implementation method thereof |
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Application publication date: 20140326 |