CN108020848A - A kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion - Google Patents
A kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion Download PDFInfo
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- CN108020848A CN108020848A CN201711415560.3A CN201711415560A CN108020848A CN 108020848 A CN108020848 A CN 108020848A CN 201711415560 A CN201711415560 A CN 201711415560A CN 108020848 A CN108020848 A CN 108020848A
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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
- G01S19/235—Calibration of receiver components
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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)
Abstract
The invention discloses a kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion, following steps are specifically included：In the outbound module increase inbound calibration mode of RDSS navigation signal simulators；Under inbound calibration mode, automatic calibration is carried out to the inbound calibration signal of RDSS navigation signal simulators exit；Go out the calibration index of S/L transponders and its RF cable using all purpose instrument calibration；The S/L transponders and RF cable of calibration are connected to the exit and station entrance both ends of the RDSS navigation signal simulators for treating calibration；Start RDSS navigation signal simulators and enter inbound calibration flow, detect and measure the exit signal index of the inbound system of whole link；Inbound function module index is automatically analyzed, and carries out automatic calibration value amendment.The present invention can complete the calibration of all inbound indexs at the same time, and calibration process is full-automatic to carry out, and calibration result is safe and reliable, and calibration flow is simple, improves calibration efficiency and precision.
Description
Technical field
The present invention relates to navigation system technical field, particularly a kind of calibration method of signal simulator.
Background technology
There are four big navigation system in the whole world now, be respectively GPS, GLONASS, the Jia Li of European Union of Russia in the U.S.
Slightly, the dipper system of China.External three digest journals are all passive location modes, and the dipper system of China not only support it is passive
Positioning method, but also support active location mode, so its navigation signal simulator is divided into RNSS navigation there is also this difference
Two kinds of signal simulator and RDSS navigation signal simulators.Wherein, RNSS navigation signal simulators simulation reaches user antenna mouth
The satellite navigation signals in face, and the satellite navigation that RDSS navigation signal simulators not only need simulation to reach user antenna mouth face is believed
Number, it is also necessary to receive the navigation signal from the surface launching of user antenna mouth to satellite.
Navigation signal simulator is one of essential equipment of the links such as the research and development, production, examination of navigation equipment, to leading
The quality for the navigation signal that boat signal simulator produces has high requirement, is related to the performance and key index of navigation equipment,
So its calibration method and angle with regard to it is particularly important that.RDSS navigation signal simulators not only have and RNSS navigation signal simulator phases
Same downlink signal, also has capture analysis uplink signal（User equipment is sent to the signal of satellite）Ability, i.e. RDSS leads
The inbound measurement function of boat signal simulator.The capture of RDSS navigation signal simulators receives what user equipment was sent from Antenna aperture
Uplink navigation signal, not only needs to capture and parse check-in signal content, it is also necessary to measure the quality of check-in signal, as power,
The key indexes such as frequency, null value, phase, and whether these key indexes are all related to RDSS navigation equipments can normal use.
At present, the international universal calibration method for RNSS navigation signal simulators is to pass through all purpose instrument（As oscillograph,
Frequency spectrograph etc.）Calibration is measured to the signal that it sends, it is a kind of special that null value calibration needs navigation signal simulator to be done for it
The signal of calibration pattern.Inbound calibration power, frequency, phase for RDSS navigation signal simulators etc. can also use general instrument
Device carries out calibration, and null value method generally used now is to look for an accurate RDSS user equipment（It is commonly called as：Smart machine）（Pass through certain hand
Section measures its each index by complicated calibration, it is received, each index of transmitting signal is all known）, use RDSS navigation signals
Simulator measures it, and then demarcates RDSS navigation signal simulators.But the smart machine of RDSS user equipmenies obtains very numb
It is tired of, it is necessary to be measured by the authoritative institution of a property indices all sufficiently stable user equipment to user equipment calibration
Calibration.And the part index number of smart machine can also exist with the change of the external factors such as time, space, temperature, humidity, microwave dark room
Difference, its operation and maintenance is very very cumbersome, can occur deviation there are null value toward contact, and these processes are not effective
Self-correcting means test.
The content of the invention
The technical problem to be solved in the invention there is provided a kind of RDSS navigation signal simulators based on frequency conversion
Method for self-calibrating, to simplify calibration flow, reducing external factor influences, and improves calibration accuracy.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion, specifically includes following steps：
S1. in the outbound module increase inbound calibration mode of RDSS navigation signal simulators；
S2. under inbound calibration mode, according to the Calibration Method of RNSS navigation signal simulators to RDSS navigation signal simulators
The inbound calibration signal of exit carries out automatic calibration；
S3. go out S/L transponders using all purpose instrument calibration and its be connected to the outbound and station entrance of RDSS navigation signal simulators
The calibration index of the RF cable at both ends；
S4., the S/L transponders of step S3 calibrations and RF cable are connected to the RDSS navigation signal simulators for the treatment of calibration
Exit and station entrance both ends；
S5. start RDSS navigation signal simulators and enter inbound calibration flow, in inbound calibration mode, RDSS navigation signal moulds
Intend the exit signal that device exit sends inbound system；The exit signal for the inbound system that exit is sent passes through S/L transponders
Into inbound frequencies signal, the inbound function module of RDSS navigation signal simulators detects and measures the inbound of whole link for frequency conversion
The exit signal index of system；
The automatic calibration module of software of S6.RDSS navigation signal simulators automatically analyzes inbound function module index, and carries out certainly
Dynamic calibration value amendment.
A kind of above-mentioned RDSS navigation signal simulator method for self-calibrating based on frequency conversion, in step S1, leads in RDSS
When boat signal simulator enters calibration mode, the exit signal system of RDSS navigation signal simulators is changed to RDSS user equipmenies
Inbound system, the information content that exit signal carries be inbound communication content, the frequency point of exit signal, institute after change system
The link of process and radio-frequency channel are consistent with former exit signal.
A kind of above-mentioned RDSS navigation signal simulator method for self-calibrating based on frequency conversion, the automatic calibration in step S2
Including：The power p1 of RDSS navigation signal simulators exit inbound calibration signal is calibrated using frequency spectrograph, uses frequency
Spectrometer calibrates the frequency f1 of RDSS navigation signal simulators exit inbound calibration signal, and RDSS is led using oscillograph
The phase w1 of boat signal simulator exit inbound calibration signal is calibrated, using high-speed oscilloscope to RDSS navigation signal moulds
The null value z1 for intending device exit inbound calibration signal is calibrated.
A kind of above-mentioned RDSS navigation signal simulator method for self-calibrating based on frequency conversion, S/L described in step S3 turn
Sending out the calibration index of device and RF cable includes null value, power attenuation, frequency translation error, phase offset；Wherein null value z2, work(
Rate loss p2, phase offset w2 are calibrated using vector network signal analysis instrument, and frequency translation error f2 is believed using vector
Number source and frequency spectrograph are demarcated.
It is as follows as a result of above technical scheme, the invention technological progress.
The present invention be used for RDSS navigation signal simulators carry out self calibration, can complete at the same time power, frequency, null value,
The calibration of all inbound indexs such as phase, calibration process is full-automatic to carry out, and settles at one go；Whole calibration link is fully controllable,
Formed from closed loop, there is no uncontrollable factor, and calibration result is safe and reliable, and accuracy improves an order of magnitude；Calibrate flow letter
It is single, it can whenever and wherever possible be calibrated, avoid the influence that external factor produces calibration result, improve calibration accuracy；School
Quasi- flow is related to technically simple, greatlys save because the difficulty and cost safeguarding and brought using the smart machine of calibration.
Brief description of the drawings
Fig. 1 is device connection diagram of the RDSS navigation signal simulators of the present invention in self-calibration process；
Fig. 2 is the flow chart of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in further detail.
A kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion, by by the signal body of outlet module
System is changed to check-in signal system, its flow is as shown in Fig. 2, specifically include following steps：
S1. in the outbound module increase inbound calibration mode of RDSS navigation signal simulators.
When RDSS navigation signal simulators enter calibration mode, by the exit signal system of RDSS navigation signal simulators
The inbound system of RDSS user equipmenies is changed to, the information content that exit signal carries is inbound communication content, after changing system
The frequency point of exit signal, the link passed through and radio-frequency channel are consistent with former exit signal.
S2. under inbound calibration mode, according to the Calibration Method of RNSS navigation signal simulators to RDSS navigation signal moulds
The inbound calibration signal for intending device exit carries out automatic calibration.
Automatic calibration includes：Power p1 using frequency spectrograph to RDSS navigation signal simulators exit inbound calibration signal
Calibrated, the frequency f1 of RDSS navigation signal simulators exit inbound calibration signal is calibrated using frequency spectrograph, is made
The phase w1 of RDSS navigation signal simulators exit inbound calibration signal is calibrated with oscillograph, uses high-speed oscilloscope
The null value z1 of RDSS navigation signal simulators exit inbound calibration signal is calibrated.
S3. go out S/L transponders using all purpose instrument calibration and its be connected to the outbound of RDSS navigation signal simulators and enter
The calibration index of the RF cable at exit both ends.
Above-mentioned S/L transponders are used for the exit signal frequency of RDSS navigation signal simulators to check-in signal frequency
Rate.The calibration index of S/L transponders and RF cable includes null value, power attenuation, frequency translation error, phase offset；Wherein
Null value z2, power attenuation p2, phase offset w2 are calibrated using vector network signal analysis instrument, and frequency translation error f2 makes
Demarcated with vector signal source and frequency spectrograph.
S4., the S/L transponders of step S3 calibrations and RF cable are connected to the RDSS navigation letters for treating calibration according to Fig. 1
The exit and station entrance both ends of number simulator.
S5. start RDSS navigation signal simulators and enter inbound calibration flow, in inbound calibration mode, RDSS navigation letters
Number simulator exit sends the exit signal of inbound system；The exit signal for the inbound system that exit is sent turns by S/L
Device frequency conversion is sent out into inbound frequencies signal, the inbound function module of RDSS navigation signal simulators detects and measures whole link
The exit signal index of inbound system.
The exit signal frequency for the inbound system that outbound module is sent is S frequency point signals, after S/L transponders, frequency
It is transformed into L frequency point signals（That is check-in signal）, inbound module is after the exit signal of inbound system of L frequency points is received, certainly
Dynamic assessment signal quality：Power p3, frequency f3, phase w3 and null value z3.
The automatic calibration module of software of S6.RDSS navigation signal simulators automatically analyzes inbound function module index, goes forward side by side
The automatic calibration value amendment of row.Automatic calibration correction is subtracted again using the desired value that step S5 is obtained plus the step S3 desired values measured
Go step S2 to obtain desired value to be calculated.
Method for self-calibrating of the present invention is used, RDSS navigation signal simulators are entered automatically after having measured
The calibration for module of standing, the calibration result of final inbound module are：
Power error：p=p3+p2-p1；
Frequency error：f=f3+f2–f1；
Phase error：w=w3+w2-w1；
Null value：z=z3+z2-z1.
Claims (4)
1. a kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion, it is characterised in that specifically include following
Step：
S1. in the outbound module increase inbound calibration mode of RDSS navigation signal simulators；
S2. under inbound calibration mode, according to the Calibration Method of RNSS navigation signal simulators to RDSS navigation signal simulators
The inbound calibration signal of exit carries out automatic calibration；
S3. go out S/L transponders using all purpose instrument calibration and its be connected to the outbound and station entrance of RDSS navigation signal simulators
The calibration index of the RF cable at both ends；
S4., the S/L transponders of step S3 calibrations and RF cable are connected to the RDSS navigation signal simulators for the treatment of calibration
Exit and station entrance both ends；
S5. start RDSS navigation signal simulators and enter inbound calibration flow, in inbound calibration mode, RDSS navigation signal moulds
Intend the exit signal that device exit sends inbound system；The exit signal for the inbound system that exit is sent passes through S/L transponders
Into inbound frequencies signal, the inbound function module of RDSS navigation signal simulators detects and measures the inbound of whole link for frequency conversion
The exit signal index of system；
The automatic calibration module of software of S6.RDSS navigation signal simulators automatically analyzes inbound function module index, and carries out certainly
Dynamic calibration value amendment.
2. a kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion according to claim 1, it is special
Sign is, in step S1, when RDSS navigation signal simulators enter calibration mode, by the outbound of RDSS navigation signal simulators
Signal system is changed to the inbound system of RDSS user equipmenies, and the information content that exit signal carries is inbound communication content, changes
The frequency point of exit signal after system, the link passed through and radio-frequency channel are consistent with former exit signal.
3. a kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion according to claim 1, it is special
Sign is that the automatic calibration in step S2 includes：RDSS navigation signal simulators exit inbound is calibrated using frequency spectrograph and is believed
Number power p1 calibrated, using frequency spectrograph to the frequency f1 of RDSS navigation signal simulators exit inbound calibration signal into
Row calibration, calibrates the phase w1 of RDSS navigation signal simulators exit inbound calibration signal using oscillograph, uses
High-speed oscilloscope calibrates the null value z1 of RDSS navigation signal simulators exit inbound calibration signal.
4. a kind of RDSS navigation signal simulator method for self-calibrating based on frequency conversion according to claim 1, it is special
Sign is that the calibration index of S/L transponders described in step S3 and RF cable includes null value, power attenuation, frequency conversion and misses
Difference, phase offset；Wherein null value z2, power attenuation p2, phase offset w2 are calibrated using vector network signal analysis instrument,
Frequency translation error f2 is demarcated using vector signal source and frequency spectrograph.
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| CN201711415560.3A CN108020848B (en) | 2017-12-25 | 2017-12-25 | Frequency conversion-based RDSS navigation signal simulator self-calibration method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161540A (en) * | 2019-04-26 | 2019-08-23 | 湖南卫导信息科技有限公司 | A kind of RDSS subscriber computer closed loop test system method for self-calibrating |
| CN111999749A (en) * | 2020-10-13 | 2020-11-27 | 中国电子科技集团公司第五十四研究所 | System and method for automatically calibrating power/time delay of satellite navigation signal simulator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595311A (en) * | 2004-06-23 | 2005-03-16 | 浙江中控技术股份有限公司 | System and method for calibrating analog signal measuring apparatus automatically |
| US20060194553A1 (en) * | 2004-10-25 | 2006-08-31 | Ozaki Ernest T | Systems, methods and apparatus for determining a radiated performance of a wireless device |
| WO2014184519A1 (en) * | 2013-05-17 | 2014-11-20 | Crfs Limited | Rf signal generating device |
| CN105490973A (en) * | 2014-10-13 | 2016-04-13 | 展讯通信（上海）有限公司 | IQ signal calibration method and apparatus |
| CN105610522A (en) * | 2015-12-11 | 2016-05-25 | 湖南中森通信科技有限公司 | Detection system and method for universal Beidou radio frequency module |
| CN106027170A (en) * | 2016-05-26 | 2016-10-12 | 中国船舶重工集团公司第七二二研究所 | Digital miniature channel equipment automatic test device and system |
| CN106597485A (en) * | 2016-12-13 | 2017-04-26 | 中国电子科技集团公司第二十研究所 | Beidou satellite navigation equipment interference resistance performance test system |
| CN106772460A (en) * | 2015-11-25 | 2017-05-31 | 纪新辉 | A kind of Big Dipper user terminal test system |
| CN106990417A (en) * | 2017-03-08 | 2017-07-28 | 中国空间技术研究院 | A kind of satellite repeater test system calibration method |
-
2017
- 2017-12-25 CN CN201711415560.3A patent/CN108020848B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595311A (en) * | 2004-06-23 | 2005-03-16 | 浙江中控技术股份有限公司 | System and method for calibrating analog signal measuring apparatus automatically |
| US20060194553A1 (en) * | 2004-10-25 | 2006-08-31 | Ozaki Ernest T | Systems, methods and apparatus for determining a radiated performance of a wireless device |
| WO2014184519A1 (en) * | 2013-05-17 | 2014-11-20 | Crfs Limited | Rf signal generating device |
| CN105490973A (en) * | 2014-10-13 | 2016-04-13 | 展讯通信（上海）有限公司 | IQ signal calibration method and apparatus |
| CN106772460A (en) * | 2015-11-25 | 2017-05-31 | 纪新辉 | A kind of Big Dipper user terminal test system |
| CN105610522A (en) * | 2015-12-11 | 2016-05-25 | 湖南中森通信科技有限公司 | Detection system and method for universal Beidou radio frequency module |
| CN106027170A (en) * | 2016-05-26 | 2016-10-12 | 中国船舶重工集团公司第七二二研究所 | Digital miniature channel equipment automatic test device and system |
| CN106597485A (en) * | 2016-12-13 | 2017-04-26 | 中国电子科技集团公司第二十研究所 | Beidou satellite navigation equipment interference resistance performance test system |
| CN106990417A (en) * | 2017-03-08 | 2017-07-28 | 中国空间技术研究院 | A kind of satellite repeater test system calibration method |
Non-Patent Citations (3)
| Title |
|---|
| LIN ZHAO 等: ""Cycle slip detection and repair with triple frequency combination method"", 《2014 IEEE/ION POSITION, LOCATION AND NAVIGATION SYMPOSIUM - PLANS 2014》 * |
| ZHAN JIANWEI 等: ""Research on Performance Evaluation of Receiver Combining Measurements from RDSS and RNSS for Position Fixing and Report"", 《CHINA SATELLITE NAVIGATION CONFERENCE (CSNC) 2013 PROCEEDINGS: BEIDOU/GNSS NAVIGATION APPLICATIONS, TEST & ASSESSMENT TECHNOLOGY, USER TERMINAL TECHNOLOGY》 * |
| 李蓬蓬 等: ""导航卫星信道模拟器自校准架构的优化设计"", 《第五届中国卫星导航学术年会电子文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161540A (en) * | 2019-04-26 | 2019-08-23 | 湖南卫导信息科技有限公司 | A kind of RDSS subscriber computer closed loop test system method for self-calibrating |
| CN110161540B (en) * | 2019-04-26 | 2022-12-06 | 湖南卫导信息科技有限公司 | Self-calibration method of RDSS user machine closed-loop test system |
| CN111999749A (en) * | 2020-10-13 | 2020-11-27 | 中国电子科技集团公司第五十四研究所 | System and method for automatically calibrating power/time delay of satellite navigation signal simulator |
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