CN107462940A - A kind of Auto-Test System of weather radar - Google Patents
A kind of Auto-Test System of weather radar Download PDFInfo
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- CN107462940A CN107462940A CN201710537759.7A CN201710537759A CN107462940A CN 107462940 A CN107462940 A CN 107462940A CN 201710537759 A CN201710537759 A CN 201710537759A CN 107462940 A CN107462940 A CN 107462940A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/18—Testing or calibrating meteorological apparatus
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- 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
A kind of Auto-Test System of weather radar, the system includes main control unit, power module, display unit, signal generation unit, signal receiving unit and signal measurement unit, main control unit is built-in with test software, it is responsible for testing process operation and data processing, and test result is shown on the display unit；Signal generation unit can generate control radar and be radiated at the radiofrequency signal generated in target into the data signal and guinea pig of various states；The radiofrequency signal and the digital signal reception of expression radar current state that described signal receiving unit goes out radar emission, and be transferred to main control unit and handled；Signal measurement unit measures the radiofrequency signal received under the control of main control unit, and measurement result is handled into main control unit.
Description
Technical field：
The present invention relates to the automatic test of aviation automatic test technology, specifically weather radar, in particular to a kind of pin
To the full-automatic test system of weather radar.
Background technology：
Weather radar is a kind of airborne equipment on aircraft, for prompting current spatial domain meteorology, instructs pilot to grasp
Vertical aircraft, it is therefore necessary to detected safety during ensureing following flight to its performance before flight.
Existing weather radar test system is tested using control manually more, semiautomatic control test or upper machine qualitative test
Mode radar performance tested.Manual test can typically use the control panel supporting with weather radar to carry out radar
Control, then manual operating instrument reads signal parameter and contrasted, or observes radar state on supporting display and judge
It is whether normal.Qualitative test is then general on machine directly installs radar aboard, and aircraft is enterprising in display controller after being powered
Row control and observe radar whether normal operation.Semi-automatic test is controlled using the control panel supporting with weather radar to radar
System, the programme-control instrument then set with performing on computers measure.
The operation of manual test system mechanics is relatively complicated, and qualitative test can not be to the parameter quantitative of radar emission signal on machine
Measurement, semi-automatic test then need the controller and display of control panel and supporting display as weather radar.As Shaanxi flies
The machine industry apllied patent No. CN201310347438.2 of (group) Co., Ltd：A kind of aircraft airborne weather radar test system
System, the test system need have the supporting controller of weather radar to carry out the control to weather radar when test.
In the Aircraft Production environment of reality, there is no control panel and display, control and display in the product often sent
Function be integrated on other airborne equipments, the at this time performance test for weather radar can not then be carried out.Solution is not matched somebody with somebody
The method of complete equipment is the special weather radar tester of purchase, but the instrument cost is expensive, and cannot be used for weather radar with
Outer test and use, this low cost required in being produced with reality and durability contradict.Moreover, either operating instrument enters
Row manual test is tested using dedicated tester, is required for operating personnel to possess certain professional skill, but reality
In, the people for possessing professional skill is often busy with one's work, and arrangement of time is close.
Therefore, need a kind of operation simple in the production of aircraft, low are required to operating personnel, it is few to auxiliary products requirement,
Work is quick, the high test system of automaticity.
The content of the invention
The purpose of the application is to provide a kind of full-automatic test system for weather radar detection, to realize to meteorology
Full-automatic testing of the radar in the case where lacking supporting finished product and shortage instrumentation.
A kind of Auto-Test System of weather radar, the system include main control unit, power module, display unit, letter
Number generation unit, signal receiving unit and signal measurement unit, it is characterised in that：Described main control unit is an industrial computer,
Main control unit is built-in with test software, is responsible for testing process operation and data processing, and test result is included in display unit
On；Described signal generation unit contains radio-frequency signal source and derived digital signal, can generate control radar and enter various states
Data signal and guinea pig be radiated at the radiofrequency signal generated in target；Described signal receiving unit, it is responsible for thunder
Up to the radiofrequency signal and the digital signal reception of expression radar current state launched, and it is transferred to main control unit and is handled；
Described signal measurement unit contains oscillograph, frequency spectrograph, power meter, and signal measurement unit will connect under the control of main control unit
The radiofrequency signal received is measured, and measurement result is handled into main control unit.
The application method of above-mentioned weather radar Auto-Test System, weather radar to be measured is accessed into above-mentioned Auto-Test System
And by electric on power module, by the generation of main control unit command signal generation unit can with the data signal of control radar state or
Radiofrequency signal, radar is set to enter state to be measured and the outwards data signal or radiofrequency signal of transmitting expression oneself state, then pass through
Signal receiving unit carries out gain or decay, the measurement of entering signal measuring unit, and measurement result passes through the data of main control unit again
Processing, and the testing standard with being stored in test software carries out contrast and draws test result, it is single that the test result is shown in display
In member.
The beneficial effect of the present invention compared with the prior art is：1) the system can lack supporting finished product in weather radar
In the case of, to the data signal launched under radar main Mechanical to be measured and conventional state and the signal spy of radiofrequency signal
Property carry out automatic test and output result.The weather radar state that can also select to want individually to test is tested it.Survey
Try as full-automatic testing, be not required to manual intervention after starting test, be not required to manual operating instrument, thunder is controlled without the use of control panel
Reach, radar state is shown without the use of display, substantially reduce the integrated testability time and the specialized capability to tester is wanted
Ask.2) the system can realize that the test such as navigation attitude that can only be carried out aboard in the past is tested in Workplace, sensitivity test.
Traditional weather radar test, due to cumbersome, general 100 nautical miles of range states only lower to Meteorological Models carry out radiofrequency signal
Performance test, due to realizing full-automatic testing, all sub- states under our Meteorological Models and map mode to weather radar
Radiofrequency signal performance test has been carried out, the integrated testability time is shortened while traditional weather radar is added by measuring point.
Accompanying drawing is described in further detail to the application with reference to embodiments.
Brief description of the drawings
Fig. 1 is the weather radar Auto-Test System theory diagram of the application,
Embodiment
Referring to accompanying drawing, the Auto-Test System for being used for weather radar detection of the application is an experiment porch, the experiment
Platform contains main control unit, power module, display unit, signal generation unit, signal receiving unit and signal measurement unit.
Described main control unit is an industrial computer, and main control unit is built-in with test software, and test software internal reservoir has
Weather radar tests all control commands, testing standard and the data processing method of content, and main control unit is responsible for testing process
Operation and data processing, and test result is shown on the display unit；
Described signal generation unit contains radio-frequency signal source and derived digital signal, can generate control radar enter it is various
The data signal and guinea pig of state are radiated at the radiofrequency signal generated in target；Described signal receiving unit, it is responsible for
The radiofrequency signal and the digital signal reception of expression radar current state that radar emission is gone out, and be transferred at main control unit
Reason；Described signal measurement unit contains oscillograph, and frequency spectrograph, power meter, signal measurement unit is under the control of main control unit
The radiofrequency signal received is measured, measurement result is handled into main control unit.
The visualization interface of test software is carried out real-time display by the display unit of embodiment, and visualization interface contains task
Column, monitor column and result bar；The operating key of testing process is provided with taskbar；Such as start to test, pause test, continue to test,
Terminate test, selection test content, export test result etc..Monitor the current testing procedure of column real-time display and each list
State of the member under current testing procedure, realizes the monitoring to whole test system；Real-time display test data in result bar
Final testing result, to realize the display of test result, and inform the result of this test of tester.
According to the testing requirement of weather radar, the weather radar of the test software internal reservoir in embodiment tests content
Have：Antenna pitching test, navigation attitude are servo-actuated test, transmission signal repetition test, the test of transmission signal pulsewidth, emission signal frequency survey
Examination, weather radar receive all control commands and the data processing side of sensitivity test and the test of transmission signal peak power
Method.
The application method of above-mentioned weather radar Auto-Test System, weather radar to be measured is accessed into above-mentioned Auto-Test System
And by electric on power module, and by all controlled cell Access Controls, inside signal measurement unit and signal generation unit
Information be set to information of dispatching from the factory.
It can be made by the generation of main control unit command signal generation unit with the data signal or radiofrequency signal of control radar state
Radar enters state to be measured and the outwards data signal or radiofrequency signal of transmitting expression oneself state, then by signal receiving unit
Carry out gain or decay, the measurement of entering signal measuring unit, measurement result passes through the data processing of main control unit again, and with test
The testing standard of storage carries out contrast and draws test result in software, and the test result is shown on the display unit.
During test, starting test software, the distribution box for turning on the power module provides operating current for radar to be measured, meanwhile,
Software loads various orders and the information of itself storage, is shown on the display unit in the form of visual testing interface.
After starting test software, after the test content for wanting to carry out is clicked in taskbar determine that radar to be measured can be carried out
Performance test.During test is carried out, monitoring column refreshes the carry out step traced into real time, and result bar real-time display has been completed
Test result.
When carrying out antenna pitching test or navigation attitude is servo-actuated test, test software can allow the generation of signal generation unit to contain angle
The Digital Signals radar of information is spent, radar is entered the state to be measured, after radar enters state to be measured, expression can be sent certainly
The data signal of body state.Now, signal receiving unit receives the data signal of the expression radar state, and the data signal enters
Main control unit is input in test software, and the data signal is translated as luffing angle information by test software, and contrasts generation
Angle information in data signal draws antenna pitching test or the servo-actuated survey of navigation attitude with the angle information in the data signal of reception
The result of examination.
When carrying out transmission signal repetition test or transmission signal pulsewidth is tested, test software can allow signal generation unit to be given birth to
Into with the data signal of the range of control radar, emission mode and gain information radar being made to enter the state to be measured and outside
Launch radiofrequency signal, the radiofrequency signal of radar emission carries out gain or decay by signal receiving unit, is changed into suitable intensity
Afterwards, the oscillograph in entering signal measuring unit.Oscillograph carried out under the control of test software repetition to reception signal or
Pulse width measure, obtains measurement result, the test software that measurement result enters in main control unit, and test software is carried out to measurement result
After compensation deals, contrast is carried out with the measurement index stored in test software and draws transmission signal repetition test or transmission signal arteries and veins
Wide test result.
When carrying out emission signal frequency test, test software can allow signal generation unit first to generate the radar shape that can be zeroed
The data signal of state, signal generation unit is then allowed to generate sub- shape under the information containing three kinds of radar emission patterns and the pattern again
The data signal of state information, radar is entered the state to be measured and outwards launch radiofrequency signal, the radiofrequency signal warp of radar emission
Cross signal receiving unit and carry out gain or decay, after being changed into suitable intensity, the frequency spectrograph in entering signal measuring unit.Frequency spectrum
Instrument carries out the frequency measurement to reception signal under the control of test software, obtains measurement result, and measurement result enters master control list
Test software in member, after test software compensates processing to measurement result, the measurement index with being stored in test software is entered
Row contrast draws emission signal frequency test result.
When carrying out the test of transmission signal peak power, test software can allow the generation of signal generation unit can be with control radar
The data signal of fan sweeping state, fan sweeping angle and radar emission pattern, radar is entered the state to be measured and outwards launch radio frequency
Signal, the radiofrequency signal of radar emission carries out gain or decay by signal receiving unit, after being changed into suitable intensity, into letter
Average power meter and oscillograph in number measuring unit.Oscillograph measured under the control of test software receive signal pulsewidth and
Repetition, average power meter measure the mean power of reception signal under the control of test software, and measurement result enters test software,
Test software carries out processing calculating to the measurement result received, draws the peak power of radar, and then the peak power data exists
In test software, carry out contrast with the measurement index stored in test software and draw test result.
When progress weather radar receives sensitivity test, following steps can be performed：
Test software can allow the generation of signal generation unit to make radar into the numeral letter of the emission state of scanning target
Number, radar is entered the state to be measured and outwards launch radiofrequency signal.
The radiofrequency signal of radar emission carries out gain or decay by signal receiving unit, after being changed into suitable intensity, enters
Enter the frequency spectrograph in signal measurement unit.Frequency spectrograph carries out the frequency measurement to reception signal under the control of test software, obtains
To measurement result,
The test software that the measurement result of frequency spectrograph enters in main control unit is handled, and obtains the radio frequency letter of radar emission
Number frequency information.Then, test software allows the generation of signal generation unit to possess some strength, penetrating containing the frequency information
Frequency signal, after the radiofrequency signal enters radar to be measured, radar, which can produce, represents current state and the number containing certain image information
Word signal, the test software that the data signal enters in main control unit by signal receiving unit are handled.
This contains the data signal of certain image information after tested after software processing, and test software obtains containing in data signal
Some image informations, the image information is compared with the image information of test software internal reservoir.
When the quantity information of certain color in the image information in the data signal is more than the image of test software internal reservoir
In information during the quantity information of certain color, now, the RF signal strength of signal generation unit generation is reduced, and again read off survey
After the quantity information of image information color in the data signal that examination software obtains, believe with the image of test software internal reservoir
Certain number of colors information in breath is compared, until the quantity information of certain color in the image information is soft less than or equal to testing
Certain number of colors information in the image information of part internal reservoir.
Now, the strength information for the radiofrequency signal that test software tracer signal generation unit is launched, strength information warp
Cross after test software compensates processing, test software obtains radar sensitivity information, by the sensitivity information and test software
The index of internal reservoir is contrasted, and is obtained weather radar and is received sensitivity test result.
The present invention be used for weather radar automatic test, it is possible to achieve on weather radar test in need measurement index
Automatic test, by allowing test software control signal generation unit emissioning controling signal to realize test mode needed for radar
Control, handled by signal by test software docking and realize reading for radar current state, by allowing test software control
Each controlled cell realizes the automation of test, can substantially reduce the manpower needed for radar test and time, and no longer
Need the specialized capability of tester.
Claims (5)
1. a kind of Auto-Test System of weather radar, the system include main control unit, power module, display unit, signal
Generation unit, signal receiving unit and signal measurement unit, it is characterised in that：Described main control unit is an industrial computer, main
Control unit is built-in with test software, is responsible for testing process operation and data processing, and test result is shown on the display unit；
Described signal generation unit contains radio-frequency signal source and derived digital signal, can generate the number that control radar enters various states
Word signal and guinea pig are radiated at the radiofrequency signal generated in target；Described signal receiving unit, it is responsible for sending out radar
The radiofrequency signal of injection and the digital signal reception for representing radar current state, and be transferred to main control unit and handled；It is described
Signal measurement unit contain oscillograph, frequency spectrograph, power meter, signal measurement unit will receive under the control of main control unit
Radiofrequency signal measure, measurement result into main control unit processing.
2. the Auto-Test System of weather radar as claimed in claim 1, it is characterised in that stored up inside described test software
There are all control commands, testing standard and the data processing method of weather radar test content.
3. the Auto-Test System of weather radar as claimed in claim 2, it is characterised in that stored up inside described test software
Have in the weather radar test deposited：Antenna pitching test, navigation attitude are servo-actuated test, transmission signal repetition test, transmission signal arteries and veins
Width test, emission signal frequency test, all controls that weather radar receives sensitivity test and transmission signal peak power is tested
System order and data processing method.
4. the Auto-Test System of weather radar as claimed in claim 2, it is characterised in that described display unit will be tested
The visualization interface of software carries out real-time display, and visualization interface contains taskbar, monitors column and result bar；It is provided with taskbar
The operating key of testing process；Monitor the current testing procedure of column real-time display；Real-time display test data is final in result bar
Test result.
5. the application method of weather radar Auto-Test System as claimed in claim 1, it is characterised in that by weather radar to be measured
Access above-mentioned Auto-Test System and by electric on power module, can be controlled by the generation of main control unit command signal generation unit
The data signal or radiofrequency signal of radar state, radar is set to enter state to be measured and outwards the numeral letter of transmitting expression oneself state
Number or radiofrequency signal, then carry out gain or decay by signal receiving unit, the measurement of entering signal measuring unit, measurement result is again
By the data processing of main control unit, and the testing standard with being stored in test software carries out contrast and draws test result, the survey
Test result is shown on the display unit.
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| CN201710537759.7A CN107462940A (en) | 2017-07-04 | 2017-07-04 | A kind of Auto-Test System of weather radar |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896972A (en) * | 2018-06-22 | 2018-11-27 | 西安飞机工业（集团）有限责任公司 | A kind of radar image simulation method based on image recognition |
| CN109521408A (en) * | 2019-01-28 | 2019-03-26 | 中国气象局气象探测中心 | A kind of automatic testing equipment for weather radar |
| CN109581309A (en) * | 2018-11-27 | 2019-04-05 | 湖北三江航天险峰电子信息有限公司 | A kind of monostatic radar countermeasure set Auto-Test System |
| CN110095760A (en) * | 2019-04-24 | 2019-08-06 | 中国气象局气象探测中心 | A kind of test device and method of weather radar |
| CN111999707A (en) * | 2020-08-19 | 2020-11-27 | 无锡威孚高科技集团股份有限公司 | Automatic testing method, device and system for millimeter wave radar |
| WO2022021562A1 (en) * | 2020-07-29 | 2022-02-03 | 中国电子科技集团公司第十四研究所 | General collection device and method for radar state data |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896972A (en) * | 2018-06-22 | 2018-11-27 | 西安飞机工业（集团）有限责任公司 | A kind of radar image simulation method based on image recognition |
| CN109581309A (en) * | 2018-11-27 | 2019-04-05 | 湖北三江航天险峰电子信息有限公司 | A kind of monostatic radar countermeasure set Auto-Test System |
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| CN110095760A (en) * | 2019-04-24 | 2019-08-06 | 中国气象局气象探测中心 | A kind of test device and method of weather radar |
| WO2022021562A1 (en) * | 2020-07-29 | 2022-02-03 | 中国电子科技集团公司第十四研究所 | General collection device and method for radar state data |
| CN111999707A (en) * | 2020-08-19 | 2020-11-27 | 无锡威孚高科技集团股份有限公司 | Automatic testing method, device and system for millimeter wave radar |
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Application publication date: 20171212 |