CN103278822B - Based on satellite navigation and location system performance evaluation system and the method for HLA platform - Google Patents
Based on satellite navigation and location system performance evaluation system and the method for HLA platform Download PDFInfo
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Abstract
The present invention discloses a kind of satellite navigation and location system performance evaluation system based on HLA platform and method, comprises HLA Simulation Control Platform and the scene setting module be attached thereto, time service subsystem emulation module, mensuration rail subsystem emulation module, signal generation subsystem emulation module, Signal reception process and analyzes emulation module, these 6 federal members of Simulation Evaluation module; The present invention adopts HLA Simulation Control Platform to complete emulation and the assessment of whole system, by constructive simulation, the integrated environment of virtual emulation together with live Integration of Simulation, realize the interoperability between all kinds of analogue system, dynamic management, point-to-multipoint communication, the reusing of system and parts, and set up the object model of different levels.The present invention can provide means for checking and assessment in satellite navigation system engineering construction, reduces system Construction risk, can provide reliably again for Satellite navigation users, stable, accurate and easy-to-use emulation and testing software environment.
Description
Technical field
The present invention relates to field of satellite navigation, be specifically related to a kind of satellite navigation and location system performance estimating method based on HLA (High LevelArchitecture, high-order analogue framework) platform and system.
Background technology
At present, the world has built up two large GPS (Global Position System), i.e. the GPS of the U.S. and Muscovite GLONASS, secondly, also has two satellite navigation systems of stepping up to build, i.e. the GALILEO of European Union and the BD of China.Wherein, GPS and GLONASS is relatively ripe satellite navigation system, but GALILEO and BD is as new satellite navigation system, its signal system (comprising: frequency, signal bandwidth, signal madulation mode, bit rate, information rate, message format etc.), Constellation Design, crew station design, Receiver Design are all brand-new, and may adjustment be there is in process of construction, all need through to emulate in advance and assess checking in all these design processes, particularly protocol layer format design, has to pass through rationally, emulates fully and checking.
The emulation of satellite navigation system and assessment are huge engineerings, relate to multiple links such as land station, satellite constellation, signal system and Signal reception, solving simulation system to have the features such as repeatability, interoperability, resource sharing.For satellite navigation system, performance estimating method can provide means for checking and assessment in satellite navigation system engineering construction, reduces system Construction risk.For being Satellite navigation users, the method provides reliable, stable, an accurate and easy-to-use emulation and testing software environment, user can be made to follow one's bent according to oneself requiring the GNSS (Global NavigationSatellite System, GLONASS (Global Navigation Satellite System)) that selection is suitable.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of satellite navigation and location system performance evaluation system based on HLA platform and method, it can provide means for checking and assessment in satellite navigation system engineering construction, reduce system Construction risk, reliable, stable, an accurate and easy-to-use emulation and testing software environment can be provided for Satellite navigation users again.
For solving the problem, the present invention is achieved by the following scheme:
Based on the satellite navigation and location system performance evaluation system of HLA platform, primarily of HLA Simulation Control Platform, the scene setting module be connected with HLA Simulation Control Platform, time service subsystem emulation module, measure rail subsystem emulation module, signal generates subsystem emulation module, Signal reception process and analyze emulation module and these 6 federal members of Simulation Evaluation module form; Wherein
HLA Simulation Control Platform completes the distribution with data of assigning of steering order, completes the mutual of the generation data of each federal member simultaneously;
The initial parameter of scene setting and evaluating system that scene setting module completes 6 federal members is arranged, and the parameter of above-mentioned setting is distributed to each federal member by HLA Simulation Control Platform;
The emulation of time service subsystem emulation module is satellite navigation time system, simulation time and simulation step length equal time information is comprised for evaluating system provides, it is the time reference of whole evaluating system, and be distributed to mensuration rail subsystem emulation module, signal generation subsystem emulation module, Signal reception process by HLA Simulation Control Platform and analyze emulation module and these 4 subsequent module of Simulation Evaluation module, above-mentioned 4 subsequent module complete artificial tasks successively under the driving of this simulation time;
Measure simulation time and simulation step length that rail subsystem emulation module receives the distribution of HLA Simulation Control Platform, the survey rail of Simulation Evaluation satellite navigation system and orbit determination method, and generate satellite navigation information, and be distributed to signal generation subsystem emulation module by HLA Simulation Control Platform;
Signal generates subsystem emulation module receives the satellite orbit measuring rail subsystem emulation module simulation parameter by HLA Simulation Control Platform, under the control of simulation time and simulation step length, generate the emulation navigation signal of certain signal system as requested, this emulation navigation signal is distributed to Signal reception process by HLA Simulation Control Platform and analyzes emulation module;
Signal reception process and analysis emulation module receive the digital intermediate frequency signal of emulation navigation signal of HLA Simulation Control Platform distribution and the digital intermediate frequency signal of the actual navigation signal of actual acquisition, and respectively corresponding Simulation Evaluation is carried out to these 2 digital intermediate frequency signals, finally assessment result is distributed to Simulation Evaluation module by HLA Simulation Control Platform;
Simulation Evaluation module shows the assessment result that Signal reception process and analysis emulation module are sent here.
According to the satellite navigation and location system performance estimating method based on HLA platform that above-mentioned evaluating system realizes, comprise the steps:
1. scene setting module completes the scene setting of 6 federal members and the initial parameter setting of evaluating system, and the parameter of above-mentioned setting is distributed to each federal member by HLA Simulation Control Platform;
2. the emulation of time service subsystem emulation module is satellite navigation time system, simulation time and simulation step length equal time information is comprised for evaluating system provides, it is the time reference of whole evaluating system, and be distributed to mensuration rail subsystem emulation module, signal generation subsystem emulation module, Signal reception process by HLA Simulation Control Platform and analyze emulation module and these 4 subsequent module of Simulation Evaluation module, above-mentioned 4 subsequent module complete artificial tasks successively under the driving of this simulation time;
3. simulation time and simulation step length that rail subsystem emulation module receives the distribution of HLA Simulation Control Platform is measured, the survey rail of Simulation Evaluation satellite navigation system and orbit determination method, and generate satellite navigation information, and be distributed to signal generation subsystem emulation module by HLA Simulation Control Platform;
4. signal generates subsystem emulation module receives the satellite orbit measuring rail subsystem emulation module simulation parameter by HLA Simulation Control Platform, under the control of simulation time and simulation step length, generate the emulation navigation signal of certain signal system as requested, this emulation navigation signal is distributed to Signal reception process by HLA Simulation Control Platform and analyzes emulation module;
5. Signal reception process and analysis emulation module receive the digital intermediate frequency signal of emulation navigation signal of HLA Simulation Control Platform distribution and the digital intermediate frequency signal of the actual navigation signal of actual acquisition, and respectively corresponding Simulation Evaluation is carried out to these 2 digital intermediate frequency signals, finally assessment result is distributed to Simulation Evaluation module by HLA Simulation Control Platform;
6. Simulation Evaluation module shows the assessment result that Signal reception process and analysis emulation module are sent here.
In said method, HLA Simulation Control Platform completes the distribution with data of assigning of steering order, and above steps generates data and also completes the mutual of data by HLA Simulation Control Platform simultaneously;
In said method, step 6. in assessment result shown by the form of figure, interface and/or numeral.
Compared with prior art, the present invention adopts HLA Simulation Control Platform to complete emulation and the assessment of whole system, by constructive simulation, the integrated environment of virtual emulation together with live Integration of Simulation, realize the interoperability between all kinds of analogue system, dynamic management, point-to-multipoint communication, the reusing of system and parts, and set up the object model of different levels.For satellite navigation system, the present invention can provide means for checking and assessment in satellite navigation system engineering construction, reduces system Construction risk.For Satellite navigation users, the invention provides reliable, stable, an accurate and easy-to-use emulation and testing software environment, user can be made to follow one's bent and require to select suitable GLONASS (Global Navigation Satellite System) according to oneself.
Accompanying drawing explanation
Fig. 1 is the composition frame chart of the satellite navigation and location system performance evaluation system based on HLA platform;
Fig. 2 is the schematic diagram of the satellite navigation and location system performance estimating method based on HLA platform.
Embodiment
A kind of satellite navigation and location system performance evaluation system based on HLA platform, as shown in Figure 1, its primarily of HLA Simulation Control Platform, the scene setting module be connected with HLA Simulation Control Platform, time service subsystem emulation module, measure rail subsystem emulation module, signal generates subsystem emulation module, Signal reception process and analyze emulation module and these 6 federal members of Simulation Evaluation module form.Wherein:
(1) HLA Simulation Control Platform
HLA Simulation Control Platform completes the distribution with data of assigning of steering order, and the generation data of each simulation subsystem also complete the mutual of data by HLA platform simultaneously.
(2) scene setting module
Scene setting module completes scene setting and the initial parameter setting of artificial tasks.The simulation subsystem as selected, the parameter configuration of subsystem, the isoparametric setting of user's original state.
(3) time service subsystem emulation module
Time service subsystem emulation module mainly completes as satellite navigation system time service performance simulation, mainly comprises full time monitoring, global two-way timing tracking accuracy, the GNSS time difference monitor and performance simulation and the assessment such as broadcast, the dispensing of remote high-precision temporal frequency.This emulation module provides simulation time and simulation step length for whole analogue system, and is distributed to other 4 modules by HLA Simulation Control Platform, and 4 follow-up emulation modules complete artificial tasks successively under the driving of this simulation time.
(4) rail subsystem emulation module is measured
Measure survey rail and the emulation of orbit determination subsystem that rail subsystem emulation module mainly emulates GNSS.And the actual survey rail that obtains and orbit determination data and emulated data are compared, thus the performance of rail and orbit determination is surveyed in evaluation.And this emulation module is produced the parameters such as ephemeris parameter, Ionospheric Parameters and atomic clock, these parameters generate subsystem emulation module by HLA platform distribute signals.
(5) signal generates subsystem emulation module
Satellite-signal generates subsystem emulation module and mainly emulates satellite-signal generative process, comprises the isoparametric information coding of satellite orbit, code/carrier wave generation, signal madulation, undesired signal loading, multi-path signal loading etc. of HLA distribution.This emulation module produces digital intermediate frequency signal and is distributed to Signal reception process by HLA Simulation Control Platform and analyzes emulation module.
(6) Signal reception process and analysis emulation module
Signal reception process and analysis emulation module mainly emulate and analyze GNSS signal performance and navigator fix result, comprise the pre-service of signal, certain pre-service is carried out to the emulation GNSS digital intermediate frequency signal of HLA Simulation Control Platform distribution and the actual GNSS digital intermediate frequency signal of actual acquisition; By catching settling signal correlativity, cross correlation, sensitivity and compatibility analysis to emulation and actual signal; Anti-interference, anti-multipath and the sensitivity analysis of GNSS signal has been followed the tracks of by emulation and actual signal; By to emulation and the demodulation of actual signal GNSS text, the analysis of settling signal power and the bit error rate; By to emulation and actual signal pseudorange extraction, analysis code and carrier wave distance accuracy; By with emulation and actual signal positioning calculation, complete the PVT precision analysis of GNSS.The emulation of this emulation module and analysis result are distributed to Simulation Evaluation module by HLA Simulation Control Platform.
(7) Simulation Evaluation module
Simulation Evaluation result display module main received signal receives process and analyzes the assessment of simulation analysis result done subsystem of emulation module, and the form display of assessment result by figure, interface or numeral.
A kind of satellite navigation and location system performance estimating method based on HLA platform designed by said system, as shown in Figure 2, it comprises the steps:
1. scene setting module completes the scene setting of 6 federal members and the initial parameter setting of evaluating system, and the parameter of above-mentioned setting is distributed to each federal member by HLA Simulation Control Platform.
2. the emulation of time service subsystem emulation module is satellite navigation time system, simulation time and simulation step length equal time information is comprised for evaluating system provides, it is the time reference of whole evaluating system, and generate subsystem emulation module, Signal reception process by HLA Simulation Control Platform to mensuration rail subsystem emulation module, signal and analyze emulation module and these 4 subsequent module of Simulation Evaluation module, above-mentioned 4 subsequent module complete artificial tasks successively under the driving of this simulation time.
3. simulation time and simulation step length that rail subsystem emulation module receives the distribution of HLA Simulation Control Platform is measured, the survey rail of Simulation Evaluation satellite navigation system and orbit determination method, and generate satellite navigation information, and be distributed to signal generation subsystem emulation module by HLA Simulation Control Platform.
4. signal generates subsystem emulation module receives the satellite orbit measuring rail subsystem emulation module simulation parameter by HLA Simulation Control Platform, under the control of simulation time and simulation step length, generate the emulation navigation signal of certain signal system as requested, this emulation navigation signal is distributed to Signal reception process by HLA Simulation Control Platform and analyzes emulation module.
5. Signal reception process and analysis emulation module receive the digital intermediate frequency signal of emulation navigation signal of HLA Simulation Control Platform distribution and the digital intermediate frequency signal of the actual navigation signal of actual acquisition, and respectively corresponding Simulation Evaluation is carried out to these 2 digital intermediate frequency signals, finally assessment result is distributed to Simulation Evaluation module by HLA Simulation Control Platform.
6. Simulation Evaluation module is Signal reception process with analyze the assessment result sent here of emulation module by figure, the showing of interface and/or numeral.
HLA Simulation Control Platform completes the distribution with data of assigning of steering order, and above steps generates data and also completes the mutual of data by HLA Simulation Control Platform simultaneously.
Claims (4)
1., based on the satellite navigation and location system performance evaluation system of HLA platform, it is characterized in that: by HLA Simulation Control Platform, the scene setting module be connected with HLA Simulation Control Platform, time service subsystem emulation module, measure rail subsystem emulation module, signal generates subsystem emulation module, Signal reception process and analyze emulation module and these 6 federal members of Simulation Evaluation module form; Wherein
HLA Simulation Control Platform completes the distribution with data of assigning of steering order, completes the mutual of the generation data of each federal member simultaneously;
The initial parameter of scene setting and evaluating system that scene setting module completes 6 federal members is arranged, and the parameter of above-mentioned setting is distributed to each federal member by HLA Simulation Control Platform;
The emulation of time service subsystem emulation module is satellite navigation time system, for evaluating system provides the temporal information comprising simulation time and simulation step length, it is the time reference of whole evaluating system, and be distributed to mensuration rail subsystem emulation module, signal generation subsystem emulation module, Signal reception process by HLA Simulation Control Platform and analyze emulation module and these 4 subsequent module of Simulation Evaluation module, above-mentioned 4 subsequent module complete artificial tasks successively under the driving of this simulation time;
Measure simulation time and simulation step length that rail subsystem emulation module receives the distribution of HLA Simulation Control Platform, the survey rail of Simulation Evaluation satellite navigation system and orbit determination method, and generate satellite navigation information, and be distributed to signal generation subsystem emulation module by HLA Simulation Control Platform;
Signal generates subsystem emulation module receives the satellite orbit measuring rail subsystem emulation module simulation parameter by HLA Simulation Control Platform, under the control of simulation time and simulation step length, generate the emulation navigation signal of certain signal system as requested, this emulation navigation signal is distributed to Signal reception process by HLA Simulation Control Platform and analyzes emulation module;
Signal reception process and analysis emulation module receive the digital intermediate frequency signal of emulation navigation signal of HLA Simulation Control Platform distribution and the digital intermediate frequency signal of the actual navigation signal of actual acquisition, and respectively corresponding Simulation Evaluation is carried out to these 2 digital intermediate frequency signals, finally assessment result is distributed to Simulation Evaluation module by HLA Simulation Control Platform;
Simulation Evaluation module shows the assessment result that Signal reception process and analysis emulation module are sent here.
2. performance evaluation system and the satellite navigation and location system performance estimating method based on HLA platform realized according to claim 1, is characterized in that, comprise the steps:
1. scene setting module completes the scene setting of 6 federal members and the initial parameter setting of evaluating system, and the parameter of above-mentioned setting is distributed to each federal member by HLA Simulation Control Platform;
2. the emulation of time service subsystem emulation module is satellite navigation time system, for evaluating system provides the temporal information comprising simulation time and simulation step length, it is the time reference of whole evaluating system, and be distributed to mensuration rail subsystem emulation module, signal generation subsystem emulation module, Signal reception process by HLA Simulation Control Platform and analyze emulation module and these 4 subsequent module of Simulation Evaluation module, above-mentioned 4 subsequent module complete artificial tasks successively under the driving of this simulation time;
3. simulation time and simulation step length that rail subsystem emulation module receives the distribution of HLA Simulation Control Platform is measured, the survey rail of Simulation Evaluation satellite navigation system and orbit determination method, and generate satellite navigation information, and be distributed to signal generation subsystem emulation module by HLA Simulation Control Platform;
4. signal generates subsystem emulation module receives the satellite orbit measuring rail subsystem emulation module simulation parameter by HLA Simulation Control Platform, under the control of simulation time and simulation step length, generate the emulation navigation signal of certain signal system as requested, this emulation navigation signal is distributed to Signal reception process by HLA Simulation Control Platform and analyzes emulation module;
5. Signal reception process and analysis emulation module receive the digital intermediate frequency signal of emulation navigation signal of HLA Simulation Control Platform distribution and the digital intermediate frequency signal of the actual navigation signal of actual acquisition, and respectively corresponding Simulation Evaluation is carried out to these 2 digital intermediate frequency signals, finally assessment result is distributed to Simulation Evaluation module by HLA Simulation Control Platform;
6. Simulation Evaluation module shows the assessment result that Signal reception process and analysis emulation module are sent here.
3. according to claim 2 based on the satellite navigation and location system performance estimating method of HLA platform, it is characterized in that: HLA Simulation Control Platform completes the distribution with data of assigning of steering order, above steps generates data and also completes the mutual of data by HLA Simulation Control Platform simultaneously.
4., according to claim 2 based on the satellite navigation and location system performance estimating method of HLA platform, it is characterized in that: step 6. in assessment result shown by the form of figure, interface and/or numeral.
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| CN103617332B (en) * | 2013-12-11 | 2016-10-05 | 北京北斗星通导航技术股份有限公司 | A kind of emulation platform measuring satellite navigation algorithm performance and method |
| CN103675849B (en) * | 2013-12-30 | 2016-03-02 | 航天恒星科技有限公司 | A kind of satellite navigation receiver anti-multipath automatic performance proving installation |
| CN104077456B (en) * | 2014-07-06 | 2017-04-05 | 哈尔滨工业大学 | Spacecraft Attitude Control ground artificial system efficiency estimation method |
| CN104407520B (en) * | 2014-11-10 | 2017-01-18 | 上海微小卫星工程中心 | Satellite constellation communication based semi-physical simulation system and method thereof |
| CN106568444A (en) * | 2016-10-28 | 2017-04-19 | 湖南国科防务电子科技有限公司 | Satellite navigation carrier indoor realtime closed-loop feedback testing method |
| CN107203683B (en) * | 2017-07-24 | 2018-04-06 | 中国人民解放军国防科学技术大学 | Satellite navigation system level is increased income the method for building up of analogue system |
| CN107423508B (en) * | 2017-07-24 | 2018-06-01 | 中国人民解放军国防科学技术大学 | Satellite navigation system verification experimental verification and the method for building up of test assessment mathematical model |
| CN109581415B (en) * | 2019-01-25 | 2024-01-23 | 中国人民解放军海军航空大学 | GNSS-based synchronous calculation and time service control device and method |
| CN111209219B (en) * | 2020-04-21 | 2020-09-01 | 中国人民解放军国防科技大学 | Satellite navigation simulation model consistency verification method and system |
| CN113452430B (en) * | 2021-06-16 | 2023-03-10 | 中国电子科技集团公司第五十四研究所 | Ground agent system for testing navigation satellite and navigation satellite testing method |
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