CN107315174A - Calibration System based on the Big Dipper - Google Patents
Calibration System based on the Big Dipper Download PDFInfo
- Publication number
- CN107315174A CN107315174A CN201710416527.6A CN201710416527A CN107315174A CN 107315174 A CN107315174 A CN 107315174A CN 201710416527 A CN201710416527 A CN 201710416527A CN 107315174 A CN107315174 A CN 107315174A
- Authority
- CN
- China
- Prior art keywords
- signal
- calibration
- source
- calibration system
- big dipper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention discloses the Calibration System based on the Big Dipper, and the Calibration System includes：Antenna servo device, transmitter cabinet, reception rack and operation control terminal；Wherein, the transmitter cabinet is connected to the antenna servo device, to pass through the antenna servo device transmission signal；The reception rack is connected to the antenna servo device, to receive the corresponding echo-signal of the transmission signal, and is coupled into echo-signal calibration source or noise source, and signal after coupling is amplified and amplitude limiting processing；The operation control terminal is connected to the reception rack to control to be coupled into calibration source or noise source, and the signal after processing is shown.The Calibration System based on the Big Dipper overcomes the problem of radar of the prior art can not carry out dynamic calibration, realizes the dynamic calibration of Big Dipper signal.
Description
Technical field
The present invention relates to the field of meteorological observation, in particular it relates to the Calibration System based on the Big Dipper.
Background technology
Weather radar is as a kind of important detection means of meteorological observation, and its echo strength Z is to local accidental pollution event
Weather forecast, early warning play an important role, the stability of same echo strength is also vital to accurate precipitation forecast,
Especially in dual polarization radar, bigger is influenceed on Zdr.
Existing radar is without a kind of mark efficacious prescriptions formula well, it is impossible to carry out dynamic calibration.
The content of the invention
It is an object of the invention to provide a kind of Calibration System based on the Big Dipper, it is somebody's turn to do the Calibration System based on the Big Dipper and overcomes now
There is the problem of radar in technology can not carry out dynamic calibration, realize the dynamic calibration of Big Dipper signal.
To achieve these goals, the invention provides a kind of Calibration System based on the Big Dipper, the Calibration System includes：My god
Line servomechanism installation, transmitter cabinet, reception rack and operation control terminal；Wherein, the transmitter cabinet is connected to the antenna servo dress
Put, to pass through the antenna servo device transmission signal；The reception rack is connected to the antenna servo device, to receive
The corresponding echo-signal of transmission signal is stated, and is coupled into echo-signal calibration source or noise source, and signal after coupling is entered
Row amplification and amplitude limiting processing；The operation control terminal is connected to the reception rack to control to be coupled into calibration source or noise source, and
Signal after processing is shown.
Preferably, the transmitter cabinet includes：Modulation power source, emitter and driving source；Wherein, the modulation power source is to institute
State emitter and the driving source is powered；The driving source is connected to the reception rack and the emitter, described to receive
The control signal of operation control terminal encourages the emitter, in the case where the emitter receives the pumping signal, concurrently
Transmission signal is sent to the antenna servo device.
Preferably, the transmitter cabinet also includes：Housing, the modulation power source, emitter and driving source are arranged at described
In housing, and thermostat is provided with the housing.
Preferably, the reception rack includes：Noise source, calibration source, either-or switch, receiver and signal processor；
The noise source and the calibration source are connected to the side of the either-or switch, and the opposite side of the either-or switch is connected to
The antenna servo device, to carry out coupling and being amplified and limitation signal with echo-signal, the amplification and limitation signal according to
The secondary processing by the receiver and the signal processor, sends to the operation control terminal.
Preferably, the control end of the either-or switch is connected to the operation control terminal, with to the noise source and calibration
Source carries out alternative input.
Preferably, the antenna servo device includes：Pitching joint, orientation joint and transmitting antenna；The transmitting antenna
The transmitter cabinet is electrically connected to, the pitching joint and orientation joint are all arranged at the lower section of the transmitting antenna, to realize
The pitching and rotation of transmitting antenna.
Preferably, the Calibration System also includes：Calibration module, the calibration module is arranged at the antenna servo device
On, and operation control terminal is connected to by communication module.
Preferably, the communication module includes encoder and network adapter, and the output end of the encoder is connected with
GPRS transceivers.
Preferably, the modulation power source includes：Power management module and power circuit；The power circuit produces power supply electricity
Pressure, the power management module becomes the supply voltage operating voltage being pressed into suitable for the emitter and driving source.
Preferably, the either-or switch wireless connection is in the operation control terminal.
By above-mentioned embodiment, because the intensity of calibration signal source is associated with the transmitting chain amplitude sampled
, therefore, the change of mark effect signal amplitude exactly reflects the change of transmitting chain and receives link characteristic, therefore, it is possible to
The echo strength of each range bin is directly corrected on same azimuth, it is achieved thereby that the dynamic mark of the intensity of weather radar signal
It is fixed.The Calibration System, in addition to power supply, with radar do not have it is any involve, it is easy to operate, thus with it is stronger operate, it is real
With property, there is wide prospect of the application.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structured flowchart for the Calibration System based on the Big Dipper for illustrating a kind of preferred embodiment of the present invention；
Fig. 2 is the structured flowchart for the reception rack for illustrating a kind of preferred embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of Calibration System based on the Big Dipper, and the Calibration System includes：Antenna servo device, emitter
Cabinet, reception rack and operation control terminal；Wherein, the transmitter cabinet is connected to the antenna servo device, to pass through the antenna
Servomechanism installation transmission signal；The reception rack is connected to the antenna servo device, corresponding to receive the transmission signal
Echo-signal, and calibration source or noise source are coupled into echo-signal, and signal after coupling is amplified and amplitude limiting processing；
The operation control terminal is connected to the reception rack to control to be coupled into calibration source or noise source, and the signal after processing is carried out
Display.
By above-mentioned embodiment, because the intensity of calibration signal source is associated with the transmitting chain amplitude sampled
, therefore, the change of mark effect signal amplitude exactly reflects the change of transmitting chain and receives link characteristic, therefore, it is possible to
The echo strength of each range bin is directly corrected on same azimuth, it is achieved thereby that the dynamic mark of the intensity of weather radar signal
It is fixed.The Calibration System, in addition to power supply, with radar do not have it is any involve, it is easy to operate, thus with it is stronger operate, it is real
With property, there is wide prospect of the application.
In a kind of embodiment of the present invention, the transmitter cabinet can include：Modulation power source, emitter and swash
Encourage source；Wherein, the modulation power source is powered to the emitter and the driving source；The driving source is connected to the receiver
Cabinet and the emitter, encourage the emitter with the control signal for receiving the operation control terminal, are received in the emitter
In the case of the pumping signal, and transmission signal is sent to the antenna servo device.
Pass through the embodiment of upper water, it is possible to achieve the power supply of emitter and the driving source is powered, in the control of driving source
Under system, emitter can be encouraged, in the case where the emitter receives the pumping signal, and transmission signal is sent to institute
State antenna servo device.
In this kind of embodiment, the transmitter cabinet can also include：Housing, the modulation power source, emitter and swash
The source of encouraging is arranged in the housing, and is provided with thermostat in the housing.
By above-mentioned mode, the constant temperature of modulation power source, emitter and driving source can be kept, circuit burning is prevented
Damage, improve the life-span of circuit, add use time.
In a kind of embodiment of the present invention, the reception rack can include：Noise source, calibration source, two choosings
One switch, receiver and signal processor；The noise source and the calibration source are connected to the side of the either-or switch, institute
The opposite side for stating either-or switch is connected to the antenna servo device, with echo-signal couple being amplified and amplitude limit
Signal, the amplification and limitation signal sequentially pass through the processing of the receiver and the signal processor, send to the behaviour
Control terminal.
Pass through above-mentioned mode, it is possible to achieve the alternative in noise source and calibration source is used, calibration can be selected either
Not calibration, and after amplification amplitude limit, it is possible to achieve the transmission and processing of signal.
In this kind of embodiment, in order to realize the alternative of noise source and calibration source, both convenient any inputs, institute
The control end for stating either-or switch is connected to the operation control terminal, to carry out alternative input to the noise source and calibration source.
In a kind of embodiment of the present invention, the antenna servo device can include：Pitching joint, orientation are closed
Section and transmitting antenna；The transmitting antenna is electrically connected to the transmitter cabinet, and the pitching joint and orientation joint are all arranged at
The lower section of the transmitting antenna, to realize the pitching and rotation of transmitting antenna.
Pass through the pitching joint of design, orientation joint, it is possible to achieve the pitching and rotation of transmitting antenna, so as to hair
The orientation for penetrating antenna is controlled.
In a kind of embodiment of the present invention, the Calibration System can also include：Calibration module, the calibration mould
Block is arranged on the antenna servo device, and is connected to operation control terminal by communication module.
Pass through above-mentioned embodiment, it is possible to achieve calibration, and both communication connections can be realized.
In a kind of embodiment of the present invention, in order to which the transmission of wireless network signal, the communication can be carried out
Module can include encoder and network adapter, and the output end of the encoder is connected with GPRS transceivers.
In a kind of embodiment of the present invention, in order to obtain a variety of required voltages, the modulation power source can be wrapped
Include：Power management module and power circuit；The power circuit produces supply voltage, and the power management module is by the power supply
Voltage becomes the operating voltage being pressed into suitable for the emitter and driving source.
In this kind of embodiment, in order to realize control of the operation control terminal to either-or switch, the either-or switch without
Line is connected to the operation control terminal.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of Calibration System based on the Big Dipper, it is characterised in that the Calibration System includes：Antenna servo device, transmitter cabinet,
Receive rack and operation control terminal；Wherein, the transmitter cabinet is connected to the antenna servo device, to pass through the antenna servo
Device transmission signal；The reception rack is connected to the antenna servo device, to receive the corresponding echo of the transmission signal
Signal, and calibration source or noise source are coupled into echo-signal, and signal after coupling is amplified and amplitude limiting processing；It is described
Operation control terminal is connected to the reception rack to control to be coupled into calibration source or noise source, and the signal after processing is shown
Show.
2. the Calibration System according to claim 1 based on the Big Dipper, it is characterised in that the transmitter cabinet includes：Modulation
Power supply, emitter and driving source；Wherein, the modulation power source is powered to the emitter and the driving source；The driving source
The reception rack and the emitter are connected to, the emitter is encouraged with the control signal for receiving the operation control terminal,
In the case that the emitter receives the pumping signal, and transmission signal is sent to the antenna servo device.
3. the Calibration System according to claim 2 based on the Big Dipper, it is characterised in that the transmitter cabinet also includes：Shell
Body, the modulation power source, emitter and driving source are arranged in the housing, and are provided with thermostat in the housing.
4. the Calibration System according to claim 1 based on the Big Dipper, it is characterised in that the reception rack includes：Noise
Source, calibration source, either-or switch, receiver and signal processor；The noise source and the calibration source are connected to two choosing
The side of one switch, the opposite side of the either-or switch is connected to the antenna servo device, to carry out coupling with echo-signal
Conjunction is amplified and limitation signal, and the amplification and limitation signal sequentially pass through the place of the receiver and the signal processor
Reason, sends to the operation control terminal.
5. the Calibration System according to claim 4 based on the Big Dipper, it is characterised in that the control end of the either-or switch
The operation control terminal is connected to, to carry out alternative input to the noise source and calibration source.
6. the Calibration System according to claim 1 based on the Big Dipper, it is characterised in that the antenna servo device includes：
Pitching joint, orientation joint and transmitting antenna；The transmitting antenna is electrically connected to the transmitter cabinet, the pitching joint and side
Position joint is all arranged at the lower section of the transmitting antenna, to realize the pitching and rotation of transmitting antenna.
7. the Calibration System according to claim 1 based on the Big Dipper, it is characterised in that the Calibration System also includes：Calibration
Module, the calibration module is arranged on the antenna servo device, and is connected to operation control terminal by communication module.
8. the Calibration System according to claim 1 based on the Big Dipper, it is characterised in that the communication module includes encoder
And network adapter, the output end of the encoder is connected with GPRS transceivers.
9. the Calibration System according to claim 1 based on the Big Dipper, it is characterised in that the modulation power source includes：Power supply
Management module and power circuit；The power circuit produces supply voltage, and the power management module becomes the supply voltage
It is pressed into the operating voltage suitable for the emitter and driving source.
10. the Calibration System according to claim 5 based on the Big Dipper, it is characterised in that the either-or switch wirelessly connects
It is connected to the operation control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416527.6A CN107315174A (en) | 2017-06-06 | 2017-06-06 | Calibration System based on the Big Dipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416527.6A CN107315174A (en) | 2017-06-06 | 2017-06-06 | Calibration System based on the Big Dipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107315174A true CN107315174A (en) | 2017-11-03 |
Family
ID=60182234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710416527.6A Pending CN107315174A (en) | 2017-06-06 | 2017-06-06 | Calibration System based on the Big Dipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107315174A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221259A (en) * | 2019-05-29 | 2019-09-10 | 安徽四创电子股份有限公司 | A kind of Calibration Method of meteorological radar echo intensity |
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Application publication date: 20171103 |