CN106842244A - A kind of test system based on space application type satellite navigation receiver - Google Patents
A kind of test system based on space application type satellite navigation receiver Download PDFInfo
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- CN106842244A CN106842244A CN201611241215.8A CN201611241215A CN106842244A CN 106842244 A CN106842244 A CN 106842244A CN 201611241215 A CN201611241215 A CN 201611241215A CN 106842244 A CN106842244 A CN 106842244A
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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
- 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
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
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Abstract
The invention discloses a kind of test system based on space application type satellite navigation receiver, including：Test PC, automation hardware test platform, satellite to be measured navigation neceiver and signal generation apparatus；Connected by the communications cable between test PC and automation hardware test platform；Satellite to be measured navigation neceiver is arranged on automation hardware test platform；Connected by testing cable between automation hardware test platform and satellite to be measured navigation neceiver；Connected by RF cable between satellite to be measured navigation neceiver and signal generation apparatus；Automation hardware test platform, for the test event that basis is determined by test PC, tests satellite navigation receiver to be measured, obtains test result, and export.The present invention solves the shortcoming that general purpose receiver test system cannot be tested performance indications such as telemetry, telecommand and system long-time stability.
Description
Technical field
Led based on space application type satellite the invention belongs to satellite navigation receiver technical field of measurement and test, more particularly to one kind
The test system of boat receiver.
Background technology
Satellite navigation system is a kind of navigation system positioned based on the radio navigation signal that aeronautical satellite is broadcast
System.At present the whole world satellite navigation system comprising the U.S. GPS satellite navigation system (Global Positioning System,
GPS, global positioning system), the triones navigation system of China, the GLONASS satellite navigation system of Russia and Europe it is leading
The galileo satellite navigation system of exploitation.With continuing to develop and perfect for China's triones navigation system, led based on GPS and the Big Dipper
The dual system satellite navigation receiver of boat system has obtained development at full speed.At present, the application of dual system satellite navigation receiver
Field is extended to space application field from traditional Ground Application.In intelligent projectile, various aircraft and skin Nano satellite
Carrier location navigation is all realized using dual system satellite navigation receiver, this class receiver is collectively referred to as space application type and defends
Star navigation neceiver.
Compared to common application type receiver, the environment residing for space application type receiver is more severe, therefore to receiving
The stability requirement of machine is higher.The control of spatial mode satellite navigation receiver is typically completed by telecommand, its output
Navigation information and receiver oneself state information are all in the form of telemetry rather than normal navigation agreement.General reception
The general automaticity of machine test system is low, it is impossible to complete long term stability tests, and such system also cannot be to telemetry
Complete to test with telecommand.Therefore, general navigation neceiver method of testing has not applied to space application type satellite navigation
Receiver.The test job of receiver has great importance for the development ＆ production of receiver, and the test of development can be with
The leak in design of hardware and software is searched, the test job before payment can confirm that the working condition of receiver.
The content of the invention
Technology solve problem of the invention：Overcome the deficiencies in the prior art, there is provided one kind is led based on space application type satellite
The test system of boat receiver, solving general purpose receiver test system cannot be long to telemetry, telecommand and system
The shortcoming that the performance indications such as phase stability are tested.
In order to solve the above-mentioned technical problem, the invention discloses a kind of survey based on space application type satellite navigation receiver
Test system, including：Test PC, automation hardware test platform, satellite to be measured navigation neceiver and signal generation apparatus；
Connected by the communications cable between test PC and automation hardware test platform；Satellite to be measured navigation neceiver sets
Put on automation hardware test platform；Pass through p-wire between automation hardware test platform and satellite to be measured navigation neceiver
Cable is connected；Connected by RF cable between satellite to be measured navigation neceiver and signal generation apparatus；
Automation hardware test platform, for the test event that basis is determined by test PC, connects to satellite navigation to be measured
Receipts machine is tested, and obtains test result, and export.
In the above-mentioned test system based on space application type satellite navigation receiver, the test event includes following survey
At least one in examination index：Supply voltage, operating temperature, carrier-to-noise ratio, time precision, positioning precision, orbit parameter precision, original
Begin observation accuracy of measurement, long-time stability and instantaneous operating conditions test index.
In the above-mentioned test system based on space application type satellite navigation receiver, the automation hardware test platform
Including：Power interface, communication interface and signaling interface；
Power interface is connected by power interface circuit with satellite to be measured navigation neceiver；
Communication interface is connected by communication interface circuit with satellite to be measured navigation neceiver；
Signaling interface is connected by signal interface circuit with satellite to be measured navigation neceiver.
In the above-mentioned test system based on space application type satellite navigation receiver, power interface circuit, for treating
The peripheral circuit for surveying satellite navigation receiver and automation hardware test platform is powered；Wherein, the power interface circuit includes：
Power input connectors, current-limiting circuit, voltage conversion circuit and voltage x current observation circuit.
In the above-mentioned test system based on space application type satellite navigation receiver, communication interface circuit, for setting up
Between automation hardware test platform and satellite to be measured navigation neceiver, between automation hardware test platform and test PC
Communication；Wherein, communicated using RS-422 interfaces between automation hardware test platform and satellite to be measured navigation neceiver, from
Communicated using RS-232 interface between dynamicization hardware test platform and test PC.
In the above-mentioned test system based on space application type satellite navigation receiver, signal interface circuit, for controlling
The input and output path of radiofrequency signal, the communication set up between satellite to be measured navigation neceiver and radio frequency navigation signal, and, it is right
Different radio frequency interface is changed.
In the above-mentioned test system based on space application type satellite navigation receiver, PC is tested, for according to be measured
The test event generation test program of satellite navigation receiver；
Automation hardware test platform, for according to test program, the instruction testing sequence specified according to standard testing specification
Row are tested telecommand one by one；After the test of whole telecommands is completed, by the configuration of satellite to be measured navigation neceiver
It is normal mode, the data test order specified according to standard testing specification is tested telemetry, obtains test result,
And export.
In the above-mentioned test system based on space application type satellite navigation receiver, the signal generation apparatus, including：
Antenna or, Satellite Navigation Signal Simulation signal source.
The present invention has advantages below：
Test system based on space application type satellite navigation receiver of the present invention, can complete to telemetry,
The test of the performance indications such as telecommand, positioning precision, operation of receiver state, receiver stability, solves generic reception
The shortcoming that machine test system cannot be tested performance indications such as telemetry, telecommand and system long-time stability.
Further, complexity is built this invention also solves test system, testing procedure is loaded down with trivial details, test result poor visibility,
The problems such as test result generation is delayed, improves the automaticity of test system, improves the coverage of test.
Brief description of the drawings
Fig. 1 is that a kind of structure of the test system based on space application type satellite navigation receiver is shown in the embodiment of the present invention
It is intended to；
Fig. 2 is a kind of company automated between hardware test platform and satellite to be measured navigation neceiver in the embodiment of the present invention
Connect structural representation.
Specific embodiment
It is public to the present invention below in conjunction with accompanying drawing to make the object, technical solutions and advantages of the present invention clearer
Implementation method is described in further detail.
Test system based on space application type satellite navigation receiver of the present invention, can be used for satellite navigation and connects
Confirming performance before performance test, the stability of a system test and payment in receipts machine R＆D process.
Reference picture 1, shows a kind of test system based on space application type satellite navigation receiver in the embodiment of the present invention
The structural representation of system.In the present embodiment, the test system based on space application type satellite navigation receiver, including：
Test PC 100 (Personal Computer, PC, PC), automation hardware test platform 200, satellite to be measured navigation
Receiver 300 and signal generation apparatus 400.Wherein, satellite to be measured navigation neceiver 300 is primarily referred to as being defended based on space application type
Star navigation neceiver, signal generation apparatus 400 can be antenna or Satellite Navigation Signal Simulation signal source.
Such as Fig. 1, connected by the communications cable between test PC 100 and automation hardware test platform 200；Satellite to be measured
Navigation neceiver 300 is arranged on automation hardware test platform 200；Automation hardware test platform 200 is led with satellite to be measured
Connected by testing cable between boat receiver 300；Lead between satellite to be measured navigation neceiver 300 and signal generation apparatus 400
Cross RF cable connection.
In the present embodiment, hardware test platform 200 is automated, for the test item that basis is determined by test PC 100
Mesh, tests satellite navigation receiver to be measured 300, obtains test result, and export.
In the preferred embodiment of the present invention, reference picture 2, a kind of automation hardware is surveyed in showing the embodiment of the present invention
Attachment structure schematic diagram between examination platform and satellite to be measured navigation neceiver.In the present embodiment, automation hardware testing is put down
Test event that the particular circuit configurations of platform 200 can be tested as needed, the regulation of standard testing specification and to be measured
The hardware interface of satellite navigation receiver 300 determines.Such as Fig. 2, the automation hardware test platform 200 mainly includes：Power supply
Interface, communication interface and signaling interface.
Wherein, power interface is connected by power interface circuit with satellite to be measured navigation neceiver 300；Communication interface passes through
Communication interface circuit is connected with satellite to be measured navigation neceiver 300；Signaling interface is led by signal interface circuit with satellite to be measured
Boat receiver 300 is connected.
Preferably, power interface circuit, for satellite navigation receiver to be measured 300 and automation hardware test platform
200 peripheral circuit is powered.Wherein, the power interface circuit includes：Power input connectors, current-limiting circuit, voltage conversion
Circuit and voltage x current observation circuit.Preferably, in actual applications, can be according to the defeated of automation hardware test platform 200
Enter voltage request, the supply voltage requirement of satellite to be measured navigation neceiver 300, the power supply of satellite to be measured navigation neceiver 300 electricity
Source quality requirements design power interface circuit, and the present embodiment is not restricted to this.
Communication interface circuit, for set up automation hardware test platform 200 and satellite to be measured navigation neceiver 300 it
Between, automation hardware test platform 300 and test PC 100 between communication.Wherein, automation hardware test platform 200 with
It is general between satellite to be measured navigation neceiver 300 to be communicated using RS-422 interfaces, automate hardware test platform 200 and survey
It is general between examination PC 100 to be communicated using RS-232 interface.In the present embodiment, automation hardware test platform 200 will
Realize the translation function between different communication interface.
Signal interface circuit, the input and output path for controlling radiofrequency signal, sets up satellite to be measured navigation neceiver 300
With the communication between radio frequency navigation signal, and, different radio frequency interface is changed.Wherein, radiofrequency signal is primarily referred to as letter
The radiofrequency signal of number generating means generation.In the present embodiment, signal generation apparatus 400 typically use N-type or extra small A types
(Sub Miniature A, SMA) type interface, radiofrequency signal is input to and automates hardware test platform 200, and satellite to be measured
The rf input interface huge number of navigation neceiver 300, optional interface has screw-threaded coupling connector (Screw Thread
Connector, TNC), bayonet coupling connector (Bayonet Connector, BNC), extra small A types (Sub Miniature A,
SMA), miniature radio-frequency coaxial connector (Micro RF Coaxial Connector, MCX), Minitype radio frequency coaxial connector
(Miniature Micro RF Coaxial Connector, MMCX) etc., therefore, signal interface circuit will complete different radio frequency and connect
Translation function between mouthful.
In the preferred embodiment of the present invention, PC 100 is tested, specifically can be used for being navigated according to satellite to be measured receives
The test event generation test program of machine 100.Automation hardware test platform 200, for according to test program, being surveyed according to standard
The instruction testing sequence pair telecommand that examination specification specifies is tested one by one；After the test of whole telecommands is completed, will
Satellite to be measured navigation neceiver 300 is configured to normal mode, and the data test order specified according to standard testing specification is to remote measurement
Data are tested, and obtain test result, and export.Can be realized to be measured by the test system described in the embodiment of the present invention
At least one test in the following test index of satellite navigation receiver 300：Supply voltage, operating temperature, carrier-to-noise ratio, when
Between precision, positioning precision, orbit parameter precision, original observation accuracy of measurement, long-time stability and instantaneous operating conditions test index.
Preferably, test PC 100 can be parsed, with interface after test result is received to test result
Form shows analysis result in real time.
Based on above-described embodiment, the present embodiment is by a specific testing process to described based on space application type satellite
The test system of navigation neceiver is described in detail.
The present embodiment by taking the frequency satellite navigation receiver of bimodulus four of skin Nano satellite platform as an example, that is, by skin Nano satellite
The frequency satellite navigation receiver of bimodulus four of platform as satellite to be measured navigation neceiver, including：GPS navigation module, the Big Dipper are led
Model plane block and three navigation modules of backup navigation module.Received based on the satellite navigation of space application type by described in the present embodiment
The test system of machine, completes the test to receiver performance under the various mode of operations of all navigation modules.
In the present embodiment, satellite to be measured navigation neceiver can be placed on automation hardware test platform, and will
Test PC, automation hardware test platform, satellite to be measured navigation neceiver and signal generation apparatus are connected by cable.
In the present embodiment, automation hardware test platform can be by 1 road RS422 RS 232s interface, 2 road TTL
(Transistor Transistor Logic, TLL, transistor-transistor logic level) RS 232 interface, 2 road 5V power supplys
Output, 1 road 3.3V power supplys output and 1 tunnel radiofrequency signal input/output interface are constituted.According to test specification, automation hardware is surveyed
Examination working platform is at a temperature of -40 DEG C~+85 DEG C.D.C. regulated power supply provides the 5V@confessions of 2A for automatic test hardware platform
Electricity
In the present embodiment, automatic test program can be run on test PC, and sending remote control by the communications cable refers to
Make, receive telemetry, and, the test result to receiving is analyzed.Satellite to be measured navigation neceiver is received by surveying
PC, the telecommand of automation hardware test platform transmission, switch operating state are tried, and return telemetry to give test PC
Machine.Test PC, real time parsing is carried out by automatic test program to the telemetry that satellite navigation receiver to be measured is returned
And be shown in the test interface of test PC, and, record all data for sending and receiving.
Power interface circuit is input into using single channel 5V, and 2 road 5V outputs and 1 road 3.3V are exported.The current limliting thresholding of current-limiting circuit
It is 2.0A.Communication interface circuit includes RS422/RS232 data converting circuits and TLL/RS232 data converting circuits.Signal connects
Mouth circuit realiration radio frequency is input into SMA interfaces to the translation function of output MMCX interfaces.
In the present embodiment, test system is sequentially completed telecommand test, the survey of telemetry to GPS navigation module
Examination；And after the whole tests to GPS navigation module are completed, the survey of Beidou navigation module and backup navigation module is carried out successively
Examination.
Specifically：
Satellite to be measured navigation neceiver is arranged on automation hardware test platform, satellite navigation receiver is connected and is surveyed
Test cable between examination hardware platform；
Connection satellite to be measured navigation neceiver and the RF cable between antenna or Satellite Navigation Signal Simulation signal source；
Automatic test program on testing results PC, and give the power-up of automatic test hardware platform；
Select the communication serial port that the communications cable is connected on lateral PC, and fill in tester, test satellite navigation to connect
The information such as receipts machine numbering, test record storing path, filename；
Selection " opens GPS navigation module instruction ", starts to test the telecommand of GPS navigation module, and remote control refers to
Order include " allow send GPS location remote measurement ", " forbidding sending GPS location remote measurement ", " allowing to send GPS raw measurement datas ",
" forbidding sending GPS raw measurement datas ", " GPS navigation module treatment software pouring is allowed ", " GPS navigation module treatment software
Injection terminates " and " starting GPS navigation module treatment software pouring program " etc..Test system will simulate Star Service main frame, send out successively
Serve and state the test that instruction completes telecommand.Wherein, in telecommand test process, can be by testing display interface reality
When output order implementation status, for example, if instruction testing by if export " Command xx is OK "；Otherwise, then export
“Command xx is failed”。
After the completion of all instructions test, test system output " GPS command test is ok ".Then, carry out distant
Data test is surveyed, telemetry frame to be measured, remote measurement polling cycle and testing time is set.In test process, test system
System simulation Star Service main frame starts data polling according to set requirements, and shows the measurement telemetry after parsing in real time.Tied in test
Shu Hou, test system can be parsed according to user's request to telemetry, generated test report and shown.
Selection " closing GPS navigation module instruction " and " opening Beidou navigation module instruction ", close GPS navigation module and handle
Beidou navigation module is opened, and referring to the testing process of GPS navigation module, Beidou navigation module is tested, until completing right
The test of backup navigation module.
In sum, the test system based on space application type satellite navigation receiver of the present invention, it is right to complete
The test of the performance indications such as telemetry, telecommand, positioning precision, operation of receiver state, receiver stability, solves
General purpose receiver test system cannot be tested performance indications such as telemetry, telecommand and system long-time stability
Shortcoming.
Further, complexity is built this invention also solves test system, testing procedure is loaded down with trivial details, test result poor visibility,
The problems such as test result generation is delayed, improves the automaticity of test system, improves the coverage of test.
A kind of heretofore described test system based on space application type satellite navigation receiver, has been applied in one
The research and development of money skin Nano satellite piggyback satellite navigation neceiver are paid in test process, are carried out using the test system at present
The test of up to a hundred times, system run all right is normal.The test period of piggyback satellite navigation neceiver was reduced by original 48 hours
It is present 8 hours, greatly improves the efficiency of test, reduce the complexity of test, obtains good result.
The above, optimal specific embodiment only of the invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (8)
1. a kind of test system based on space application type satellite navigation receiver, it is characterised in that including：Test PC, from
Dynamicization hardware test platform, satellite to be measured navigation neceiver and signal generation apparatus；
Connected by the communications cable between test PC and automation hardware test platform；Satellite to be measured navigation neceiver is arranged on
On automation hardware test platform；Connected by testing cable between automation hardware test platform and satellite to be measured navigation neceiver
Connect；Connected by RF cable between satellite to be measured navigation neceiver and signal generation apparatus；
Automation hardware test platform, for the test event that basis is determined by test PC, to satellite navigation receiver to be measured
Tested, obtained test result, and export.
2. test system according to claim 1, it is characterised in that the test event is included in following test index
It is at least one：Supply voltage, operating temperature, carrier-to-noise ratio, time precision, positioning precision, orbit parameter precision, original observed quantity essence
Degree, long-time stability and instantaneous operating conditions test index.
3. test system according to claim 1, it is characterised in that the automation hardware test platform includes：Power supply
Interface, communication interface and signaling interface；
Power interface is connected by power interface circuit with satellite to be measured navigation neceiver；
Communication interface is connected by communication interface circuit with satellite to be measured navigation neceiver；
Signaling interface is connected by signal interface circuit with satellite to be measured navigation neceiver.
4. test system according to claim 3, it is characterised in that
Power interface circuit, powers for the peripheral circuit to satellite navigation receiver to be measured and automation hardware test platform；
Wherein, the power interface circuit includes：The monitoring of power input connectors, current-limiting circuit, voltage conversion circuit and voltage x current
Circuit.
5. test system according to claim 3, it is characterised in that
Communication interface circuit is hard for setting up between automation hardware test platform and satellite to be measured navigation neceiver, automating
Communication between part test platform and test PC；Wherein, automation hardware test platform and satellite to be measured navigation neceiver it
Between communicated using RS-422 interfaces, automation hardware test platform and test PC between led to using RS-232 interface
Letter.
6. test system according to claim 3, it is characterised in that
Signal interface circuit, the input and output path for controlling radiofrequency signal, sets up satellite to be measured navigation neceiver and radio frequency
Communication between navigation signal, and, different radio frequency interface is changed.
7. test system according to claim 1, it is characterised in that
Test PC, for generating test program according to the test event of satellite to be measured navigation neceiver；
Automation hardware test platform, for according to test program, the instruction testing sequence pair specified according to standard testing specification
Telecommand is tested one by one；After the test of whole telecommands is completed, satellite to be measured navigation neceiver is configured to often
Scale formula, the data test order specified according to standard testing specification is tested telemetry, obtains test result, and defeated
Go out.
8. test system according to claim 1, it is characterised in that the signal generation apparatus, including：Antenna or, defend
Star navigation signal dummy source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611241215.8A CN106842244B (en) | 2016-12-29 | 2016-12-29 | Testing system based on space application type satellite navigation receiver |
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|---|---|---|---|
| CN201611241215.8A CN106842244B (en) | 2016-12-29 | 2016-12-29 | Testing system based on space application type satellite navigation receiver |
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| CN106842244B CN106842244B (en) | 2020-02-21 |
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| CN107167822A (en) * | 2017-07-13 | 2017-09-15 | 北京理工大学 | A kind of method for simulating four-axle aircraft satellite navigation positioning |
| CN108761499A (en) * | 2017-12-27 | 2018-11-06 | 北京时代民芯科技有限公司 | A kind of test system and method for the spaceborne GNSS receiver operation on orbit of simulation |
| CN109143277A (en) * | 2017-11-02 | 2019-01-04 | 上海华测导航技术股份有限公司 | A kind of GNSS receiver automatic software test method |
| CN111880201A (en) * | 2020-09-28 | 2020-11-03 | 蘑菇车联信息科技有限公司 | Beidou terminal testing system, testing method and testing device |
| CN115248052A (en) * | 2022-09-22 | 2022-10-28 | 中国民航大学 | Self-checking system of automatic testing device of airborne VHF navigation system receiver |
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| CN115248052A (en) * | 2022-09-22 | 2022-10-28 | 中国民航大学 | Self-checking system of automatic testing device of airborne VHF navigation system receiver |
| CN115248052B (en) * | 2022-09-22 | 2022-11-25 | 中国民航大学 | Self-checking system of automatic testing device of airborne VHF navigation system receiver |
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| Publication number | Publication date |
|---|---|
| CN106842244B (en) | 2020-02-21 |
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