CN106597485A - Beidou satellite navigation equipment interference resistance performance test system - Google Patents
Beidou satellite navigation equipment interference resistance performance test system Download PDFInfo
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- CN106597485A CN106597485A CN201611145203.5A CN201611145203A CN106597485A CN 106597485 A CN106597485 A CN 106597485A CN 201611145203 A CN201611145203 A CN 201611145203A CN 106597485 A CN106597485 A CN 106597485A
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- rnss
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- satellite navigation
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- 238000011056 performance test Methods 0.000 title claims abstract description 7
- 238000004088 simulation Methods 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 5
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 34
- 238000010408 sweeping Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000205 computational method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012942 design verification Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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
- 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
-
- 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
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
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- Engineering & Computer Science (AREA)
- 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)
Abstract
The invention provides a Beidou satellite navigation equipment interference resistance performance test system. An RNSS simulation satellite signal source and an RDSS simulation satellite signal source are employed to simulate signal operation locus, a vector composite interference generator is employed to select interference scenes, simulation Beidou satellite navigation signals are formed through combination, including RNSS and RDSS signals with interference; according to solution results of an RNSS receiver and an RDSS receiver, and performance of whole Beidou satellite navigation equipment can be evaluated through employing an RNSS positioning precision evaluation and RDSS communication error code rate evaluation method. The system is advantaged in that RNSS and RDSS work mode scenes are both covered, the actual work environment of the satellite navigation equipment can be simulated, and interference resistance performance evaluation on each independent component under the complex electromagnetic environment can be accomplished.
Description
Technical field
The invention belongs to technical field of satellite navigation, is related to a kind of interference free performance test system.
Background technology
The electromagnetic environment of Current electronic information system is extremely complex, and electronic message unit will face the serious prestige of electronic interferences
The side of body, Beidou satellite navigation equipment because its round-the-clock, wide covering and low cost the features such as show powerful competitiveness, it is extensive
Use.But because distance of the big-dipper satellite away from ground receiver is up to more than 20,000 kilometers (GEO satellite is more than 30,000 kilometers), together
When satellite launch power there was only tens watts, so satellite navigation signals reach it is very faint during ground, with the satellite navigation of the Big Dipper two
As a example by system signal, its minimum signal level is about -130dBm when the B3 frequencies signal of 1268.52MHz reaches earth surface.Should
Size of the signal power equivalent to the light that the bulb of 100,000 km 30W sends.Easily receive low-power same so defending and leading receiver
The impact of frequency Radio frequency interference, therefore satellite navigation must possess certain anti-electromagnetic interference capability.
Satellite navigation is a set of complicated software and hardware system, hardware include reception antenna, radio frequency chip, A/D chips,
The units such as band receiver of base, aobvious control, functionally with RDSS and two kinds of main business patterns of RNSS, RDSS belongs to positive location system
System, has short message communication service concurrently；RNSS belongs to passive type alignment system, without the need for user's transmission signal, RDSS and RNSS systems
With preferable complementarity.
Beidou satellite navigation equipment is in design typification, before forming equipment, it is necessary to first the technology of its unit module is referred to
Mark carries out test assessment, to choose the hardware cell and optimal design parameter of optimum.Currently for Beidou navigation equipment
Test is seldom related to the anti-interference capability testing to components and parts rank mainly in system test.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of Big Dipper and defend to lead receiver interference free performance and test and be
System, covers each functional unit of equipment under test comprehensively, simulates its actual working environment and mode of operation under interference environment,
The module level verification to each hardware cell can be completed, the whole-system verification to whole receiving device can be also completed, design is reached
Choose the purpose with design verification.
The technical solution adopted for the present invention to solve the technical problems is：A kind of Beidou satellite navigation equipment interference free performance
Test system, including high-frequency signal transmitting and receiving module and intermediate-freuqncy signal receiving processing module, described high-frequency signal emission part
Dividing includes RNSS simulation satellite signals source, RDSS simulation satellite signals source and vector composite interference generator；Described RNSS moulds
Intend satellite signal source, RDSS simulation satellite signals source by edit selection simulating scenes, analog signal running orbit；Described
Vector composite interference generator selects interference scene；RNSS simulation satellite signals source, RDSS simulation satellite signals source and vector are answered
The Big Dipper that antenna is received under the output signal combining formation simulation actual electromagnetic interference environment of conjunction interferance generator is defended and leads signal, is wrapped
Include with noisy RNSS and RDSS signals, down-converted is done by binary channels variable gain radio frequency module；Described intermediate frequency
Signal receiving processing module includes A/D chip fixtures, RNSS receivers socket and RDSS receivers, receiver socket and A/D cores
The interface of plate clamp is contact pin interface, for replacing connection A/D chips to be screened and RNSS receivers；Received according to RNSS
The calculation result of machine and RDSS receivers, to RNSS the side of assessment communication bit error rates is adopted using assessment positioning precision, to RDSS
Method passes judgment on the performance of whole Beidou satellite navigation equipment.
The gain separate configurations change of RNSS and RDSS passages in described binary channels variable gain radio frequency module.
The invention has the beneficial effects as follows：
(1) RNSS and two kinds of mode of operation scenes of RDSS can simultaneously be covered.
(2) various complex jamming scenes can be designed, the actual working environment of the equipment of leading is defended in simulation.
(3) with general radio frequency, A/D, baseband interface, can complete to each discrete component in complex electromagnetic environment
Anti-jamming performance evaluation.
(4) functional screening of the devices such as A/D chips can be completed.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described, and the present invention includes but are not limited to following enforcements
Example.
The test system hardware part that the present invention is provided can be divided into high-frequency signal transmitting and receiving module 1 and intermediate-freuqncy signal is received
The two parts of processing module 2：High-frequency signal emitting portion by RNSS simulation satellite signals source 11, RDSS simulation satellite signals source 12,
The combination of vector composite interference generator 13 is formed.Simulation signal generator can by edit selection simulating scenes, simulation is static, at the uniform velocity,
The signal running orbit such as acceleration；Composite interference generator can send various interference such as single tone jamming, arrowband interference, Sweeping nonlinearity
Scene.The combined covering of the simulation signal generator difference running orbit and interference source scene Big Dipper defends that to lead receiver dry in actual electromagnetic
The common working environment under environment is disturbed, the Big Dipper that antenna is received under signal combining formation simulation actual electromagnetic interference environment is defended and leads letter
Number.
Lower change is done after binary channels variable gain radio frequency module 14 is received respectively with noisy RNSS and RDSS signals
Frequency is processed, and the gain of RNSS and RDSS passages can separate configurations change.IF signal processing part core is one piece of Baseband Receiver
Machine test board, it includes A/D chip fixtures 21, RNSS receivers socket 22 and RDSS receivers 23, such as Figure of description institute
Show, the interface of receiver socket and A/D chip fixtures is both designed as general contact pin interface, in situ can replace with same package
A/D chips and receiver, complete the purpose screened to the device.
RNSS receivers and RDSS receivers calculation result report software evaluation system by serial ports respectively, according to signal
Itself working system and technical characterstic, assessment system is to RNSS using assessment positioning precision, RDSS using assessment communication bit error rates
Method pass judgment on the results of property of whole Beidou satellite navigation equipment in test system.
RNSS Calculation of Positional Error
The known position information that the location information that RNSS receivers are reported is emulated with test system is compared, and calculates three
Dimension site error.Calculation of Positional Error is as follows：
In formula：
ΔE--- east orientation site error component；
ΔN--- north orientation site error component；
ΔH--- elevation location error component；
East orientation site error component, north orientation site error component, elevation location error component computational methods are：
Δi=| xi,j′-xi,j|
In formula：
xi,j' --- the location components value that subscriber computer is calculated；
xi,j--- the known location component value of test system emulation；
I --- value level, elevation；
J --- participate in the positional information sample sequence number of statistics.
N position error is ranked up by order from small to large.Take, [n × 95%] individual result is this measurement
Positioning precision.N is collecting sample number, and [n × 95%] represents the Maximum sample size less than [n × 95%].
RNSS position success rate computational methods
Anti-interference chip test platform reports the time of positioning result, positioning result to be reported to reach the N seconds with 1Hz frequencies
Afterwards, statistics meets positioning precision (level：10m；Elevation：Positioning result number 10m), is designated as n.
RDSS error rate calculation methods
Anti-interference chip test platform reports navigation message, and it is 10 to treat that single reports text summation6, count bit error rate method
It is as follows.
It is as follows that interference arranges concrete regulation.
1) for B3 frequencies
(1) go alone and disturb setting concrete regulation
(a) Sweeping nonlinearity：Swept frequency range is initial frequency 1258.52MHz, stops frequency 1278.52MHz, stepping 4KHz.
Each frequency residence time 10ms, restarts after each frequency sweep to termination frequency from initial frequency；
Disturb (b) arrowband：BPSK is modulated, and centre frequency is 1268.52MHz, modulation data rate 1Mbps, equivalent modulation
With a width of 2MHz.
(2) three interference arrange concrete regulation
The Sweeping nonlinearity of (a) arrowband two：Swept frequency range is initial frequency 1258.52MHz, stops frequency 1278.52MHz,
Stepping 4KHz.Each frequency residence time 10ms, restarts after each frequency sweep to termination frequency from initial frequency, and three interference are just
Beginning frequency random distribution in the range of 1258.52MHz to 1278.52MHz；
Disturb (b) three arrowband：BPSK is modulated, and centre frequency is 1261.52MHz, 1268.52MHz, 1275.52MHz, is adjusted
Data rate 0.3Mbps processed, equivalent modulation bandwidth is 0.6MHz.
2) for S frequencies
(1) go alone and disturb setting concrete regulation
(a) Sweeping nonlinearity：Swept frequency range is initial frequency 2487.75MHz, stops frequency 2495.75MHz, stepping 4KHz.
Each frequency residence time 10ms, restarts after each frequency sweep to termination frequency from initial frequency；
Disturb (b) arrowband：BPSK is modulated, and centre frequency is 2491.75MHz, modulation data rate 0.4Mbps, equivalent tune
System is with a width of 0.8MHz.
(2) three interference arrange concrete regulation
The Sweeping nonlinearity of (a) arrowband two：Swept frequency range is initial frequency 2487.75MHz, stops frequency 2495.75MHz,
Stepping 4KHz.Each frequency residence time 10ms, restarts after each frequency sweep to termination frequency from initial frequency, and three interference are just
Beginning frequency random distribution in the range of 2487.75MHz to 2495.75MHz；
Disturb (b) three arrowband：BPSK is modulated, and centre frequency is 2489.75MHz, 2491.75MHz, 2495.75MHz, is adjusted
Data rate 0.1Mbps processed, equivalent modulation bandwidth is 0.2MHz.
Operation principle is as follows：
1) connect each test equipment, test system disturbed test scene is set, be set on request up to test platform radio frequency
Input end signal power, and broadcast signal.
2) test platform is powered up test, and configuration chip under test is that B3 frequencies are anti-interference, and configuration testing system is by string
Mouth arranges test platform and exports positioning result with 1Hz frequency, and star positioning scenarios are received in observation.
If 3) test platform does not report positioning result after detection starts within 2 minutes, or reports positioning result mistake
The break period was more than 30 seconds in journey, then it is assumed that platform can not normally report positioning result.
4) after normally reporting positioning result, the time of positioning result to be reported to reach 600 seconds such as test platform, test system
Platform is set and stops output positioning result, statistics position success rate and positioning precision.
5) interference is set, interference source is opened, jamming power is adjusted, test platform is prevented from normally reporting positioning result.
6) being gradually reduced interference strength according to the interval of each 1dB can normally report positioning result up to test platform,
By step 4) method statistic position success rate and positioning precision.Position success rate >=90%, positioning precision meets 10 meters of level, high
10 meters of required precisions of journey (95%, PDOP≤4), corresponding interference strength value is recorded, the interference strength value is quilt under the scene
Survey the antijamming capability of chip.
7) test scene, repeat step 1 are changed)～6), obtain the antijamming capability of chip under test under later scene.
So that test system is operated in RNSS test environments as an example, the operation principle of whole system is illustrated：
RNSS signal sources scene setting is 14 BD-2 satellites, and speed 0-300m/s, acceleration 0-4g has error model,
PDOP≤4；RDSS specifies any one wave beam.Composite interference generator sends respectively single arrowband interference, and the interference of three arrowbands is singly swept
Frequency is disturbed, two Sweeping nonlinearity of an arrowband, four kinds of scenario simulation actual electromagnetic interference environments；This several interference and signal source scene
Combination can device under test correspondence disturbance under Larger Dynamic environment disposal ability, the index such as response time makes and examining comprehensively
Examine.
Radio-frequency channel adopts RNSS/RDSS binary channels integrated radio-frequency modules, single channel gain independently can match somebody with somebody, by seeing
Examine the impact to systematic function after change channel gain, it may be determined that the optimum gain needed in actual design.
Radio frequency exports analog if signal to Baseband Testing plate A/D parts, and A/D fixtures are used to put anti-interference A/D chips
Or common A/D chips, by the method replaced in situ, screening A/D chips are reached, choose the purpose of suitable device.
Data signal after analog-to-digital conversion is delivered to respectively RNSS and RDSS Base-Band Processings by A/D chips, and RNSS base band is adopted
The general base band socket of similar A/D fixtures, the RNSS base band of compatible replacement different manufacturers production resolves module, does performance ratio
Compared with.And RDSS modules are less due to type, finalize the design almost on weaponry, thus it is fixed using space flight 772 the Big Dipper one
For baseband chip BM3005.Base band calculation result reports positioning result assessment system by two serial ports on test board, surveys
The service behaviour of examination assessment whole system.
Claims (2)
1. a kind of Beidou satellite navigation equipment interference free performance test system, including high-frequency signal transmitting and receiving module and intermediate frequency are believed
Number receiving processing module, it is characterised in that：Described high-frequency signal emitting portion includes RNSS simulation satellite signals source, RDSS moulds
Intend satellite signal source and vector composite interference generator；Described RNSS simulation satellite signals source, RDSS simulation satellite signals source
By edit selection simulating scenes, analog signal running orbit；Described vector composite interference generator selects interference scene；
The output signal combining in RNSS simulation satellite signals source, RDSS simulation satellite signals source and vector composite interference generator forms mould
The Big Dipper that antenna is received under plan actual electromagnetic interference environment is defended and leads signal, including with noisy RNSS and RDSS signals, is passed through
Binary channels variable gain radio frequency module does down-converted；Described intermediate-freuqncy signal receiving processing module include A/D chip fixtures,
The interface of RNSS receivers socket and RDSS receivers, receiver socket and A/D chip fixtures is contact pin interface, for replacing
Connection A/D chips to be screened and RNSS receivers；According to RNSS receivers and the calculation result of RDSS receivers, RNSS is adopted
The performance of whole Beidou satellite navigation equipment is passed judgment on using the method for assessment communication bit error rates with assessment positioning precision, to RDSS.
2. Beidou satellite navigation equipment interference free performance test system according to claim 1, it is characterised in that：Described
The gain separate configurations change of RNSS and RDSS passages in binary channels variable gain radio frequency module.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315184A (en) * | 2017-07-27 | 2017-11-03 | 南京康派电子有限公司 | A kind of Beidou satellite navigation equipment interference free performance test system |
| CN107884220A (en) * | 2017-12-27 | 2018-04-06 | 中国电子科技集团公司第五十四研究所 | A kind of RNSS payload test device |
| CN108020848A (en) * | 2017-12-25 | 2018-05-11 | 湖南卫导信息科技有限公司 | A kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion |
| CN108387911A (en) * | 2018-02-06 | 2018-08-10 | 深圳市摩尔环宇通信技术有限公司 | A kind of GPS tests system |
| CN112600610A (en) * | 2020-12-09 | 2021-04-02 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Beidou communication module testing method, device, equipment and storage medium |
| CN113885052A (en) * | 2021-09-28 | 2022-01-04 | 中国电力科学研究院有限公司 | Beidou positioning terminal electromagnetic compatibility testing method, system, equipment and storage medium |
| CN113960643A (en) * | 2021-10-18 | 2022-01-21 | 西安微电子技术研究所 | Satellite receiver anti-interference capability test and evaluation method |
| CN118294990A (en) * | 2024-06-05 | 2024-07-05 | 杭州芯云半导体技术有限公司 | Test system and test method for navigation chip |
| CN118566952A (en) * | 2024-04-30 | 2024-08-30 | 知码芯(杭州)电子科技有限公司 | Channel performance test system of satellite navigation anti-interference baseband chip |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1484848A3 (en) * | 2003-06-03 | 2005-08-03 | Northrop Grumman Corporation | Satellite communication testing method and system |
| CN103389500A (en) * | 2013-08-15 | 2013-11-13 | 东南大学 | Digital intermediate frequency signal generation device for satellite navigation system |
| CN204694850U (en) * | 2015-05-22 | 2015-10-07 | 南京波格微电子有限公司 | The radio-frequency transmitter of the Big Dipper No. two satellite navigation system channel structures |
-
2016
- 2016-12-13 CN CN201611145203.5A patent/CN106597485A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1484848A3 (en) * | 2003-06-03 | 2005-08-03 | Northrop Grumman Corporation | Satellite communication testing method and system |
| CN103389500A (en) * | 2013-08-15 | 2013-11-13 | 东南大学 | Digital intermediate frequency signal generation device for satellite navigation system |
| CN204694850U (en) * | 2015-05-22 | 2015-10-07 | 南京波格微电子有限公司 | The radio-frequency transmitter of the Big Dipper No. two satellite navigation system channel structures |
Non-Patent Citations (2)
| Title |
|---|
| 郭淑霞 等: "北斗卫星导航接收端抗干扰性能测试系统构建方法研究", 《计算机科学》 * |
| 郭艺: "卫星导航接收机抗干扰A/D芯片测试技术研究", 《现代导航》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315184A (en) * | 2017-07-27 | 2017-11-03 | 南京康派电子有限公司 | A kind of Beidou satellite navigation equipment interference free performance test system |
| CN108020848A (en) * | 2017-12-25 | 2018-05-11 | 湖南卫导信息科技有限公司 | A kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion |
| CN108020848B (en) * | 2017-12-25 | 2021-11-16 | 湖南卫导信息科技有限公司 | Frequency conversion-based RDSS navigation signal simulator self-calibration method |
| CN107884220A (en) * | 2017-12-27 | 2018-04-06 | 中国电子科技集团公司第五十四研究所 | A kind of RNSS payload test device |
| CN108387911A (en) * | 2018-02-06 | 2018-08-10 | 深圳市摩尔环宇通信技术有限公司 | A kind of GPS tests system |
| CN108387911B (en) * | 2018-02-06 | 2024-03-19 | 深圳市摩尔环宇通信技术有限公司 | GPS test system |
| CN112600610A (en) * | 2020-12-09 | 2021-04-02 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Beidou communication module testing method, device, equipment and storage medium |
| CN113885052A (en) * | 2021-09-28 | 2022-01-04 | 中国电力科学研究院有限公司 | Beidou positioning terminal electromagnetic compatibility testing method, system, equipment and storage medium |
| CN113960643A (en) * | 2021-10-18 | 2022-01-21 | 西安微电子技术研究所 | Satellite receiver anti-interference capability test and evaluation method |
| CN118566952A (en) * | 2024-04-30 | 2024-08-30 | 知码芯(杭州)电子科技有限公司 | Channel performance test system of satellite navigation anti-interference baseband chip |
| CN118294990A (en) * | 2024-06-05 | 2024-07-05 | 杭州芯云半导体技术有限公司 | Test system and test method for navigation chip |
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