CN102981168A - Real-time assessment method for test precision of satellite navigation user device test system - Google Patents
Real-time assessment method for test precision of satellite navigation user device test system Download PDFInfo
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Abstract
The invention provides a real-time assessment method for test precision of a satellite navigation user device test system. The method includes that test control software is used to configure parameters required by test items, a data simulation module is used to generate a required simulated scene file in an off-line mode by a software mode, during testing, a radio-frequency signal simulation function module generates radio frequency simulation signals required by the testing according to the simulated scene file generated by the data simulation function module, a user testing device receives the radio-frequency signals and acquires test data of the required number of samples, and thereby the on-line real-time statistical assessment is achieved. Accordingly, goals of procedure controlling of the test system, closed-loop adaptive controlling according to the test items and real-time on-line assessment for test results are achieved, and application requirements of the user device for dip tests are met.
Description
Technical field
The present invention relates to satellite navigation equipment for user test macro field, mainly be based on closed-loop adaptation control, realize the method for test result real-time online assessment objective.
Background technology
Testing user equipment system main task is in order to satisfy the Acceptance Test of various subscriber equipment in enormous quantities, the task emphasis is the qualification testing for the subscriber equipment correlated performance, and need to visit to subscriber equipment the mission requirements of end property testing for some, the testing user equipment system is current also can't to be satisfied.For this situation, need to partly carry out upgrading to testing process control and outcome evaluation functional module in the testing user equipment system test software, make test macro can realize control flow, the target that can carry out according to the test event needs closed-loop adaptation control, the assessment of test result real-time online, to satisfy subscriber equipment to visiting the application demand of end property testing.
For this reason, from realizing subscriber equipment is visited the angle of end property testing, navigation user device test system via satellite, promote testing control module and outcome evaluation module, and with the testing evaluation result feedback to testing control module, make system possess the closed-loop adaptation control ability, realize test result real-time online assessment objective.
Summary of the invention
In order to improve the self-adaptation to test event of satellite navigation equipment for user test macro, realize the real-time online assessment of test result, the present invention proposes a kind of real time evaluating method of satellite navigation equipment for user test system and test precision.
Technical scheme of the present invention is: realize the configuration of test event desired parameters by test control software, generate needed simulated scenario file by the data simulation module by the software mode off-line, and in test process, the simulated scenario file that radiofrequency signal copying module generates according to the data simulation functional module, produce the needed radio frequency simulation signal of test, the subscriber test equipment received RF signal, and gather required sample number test data, realize online real-time statistics assessment.
A kind of real time evaluating method of satellite navigation equipment for user test system and test precision, can realize single mode bearing accuracy testing evaluation, multimode bearing accuracy testing evaluation, pseudorange accuracy of observation testing evaluation, rate accuracy assessment and dynamic RTK accuracy evaluation, concrete steps are as follows:
Step 1: at test control software parameter configuration feature item configuration data simulation parameter (can realize by software interface or script file mode);
Step 2: test macro generates the data simulation information of corresponding test scene according to the simulation configurations parameter;
Step 3: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 4: control test macro output radiofrequency signal;
Step 5: the control equipment under test receives the test macro output signal, and measurement information is treated in output in real time;
Step 6: after reception reaches required sample number test data, add up, assess precision of information to be measured, this project testing finishes.
The invention has the beneficial effects as follows: by control and modification simulation configurations parameter, generate the data simulation information of corresponding test scene, radiofrequency signal emulation partly utilizes the used radiofrequency signal of data simulation Information generation test, and export to equipment under test, equipment under test receives required sample number test data, carries out statistical estimation.Realized the test macro control flow, according to the target of the control of test event closed-loop adaptation, the assessment of test result real-time online, satisfy subscriber equipment to visiting the application demand of end property testing.
Description of drawings
Fig. 1 is the test macro treatment scheme;
Fig. 2 is single mode bearing accuracy test flow chart;
Fig. 3 is multimode bearing accuracy test flow chart;
Fig. 4 is BD-2 accuracy of observation test flow chart;
Fig. 5 is the rate accuracy test flow chart;
Fig. 6 is dynamic RTK accuracy test process flow diagram.
Embodiment
Below with reference to specific embodiment and Figure of description the present invention is described in further details.
Fig. 1 is the test macro treatment scheme.Realize single mode bearing accuracy testing evaluation (shown in Figure 2), multimode bearing accuracy testing evaluation (shown in Figure 3), pseudorange accuracy of observation testing evaluation (shown in Figure 4), rate accuracy assessment (shown in Figure 5) and dynamic RTK accuracy evaluation (shown in Figure 6).The test macro treatment step is:
Step 1: at test control software parameter configuration feature item configuration data simulation parameter (can realize by software interface or script file mode);
Step 2: test macro generates the data simulation information of corresponding test scene according to the simulation configurations parameter;
Step 3: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 4: control test macro output radiofrequency signal;
Step 5: the control equipment under test receives the test macro output signal, and measurement information is treated in output in real time;
Step 6: after reception reaches required sample number test data, add up, assess precision of information to be measured, this project testing finishes.
Fig. 2 is single mode bearing accuracy testing evaluation process flow diagram, and implementation step is:
Step 21: at test control software parameter configuration feature item configuration data simulation parameter (can realize by software interface or script file mode);
Step 22: test macro generates the data simulation information of corresponding test scene according to the simulation configurations parameter;
Step 23: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 24: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 25: the control equipment under test receives the test macro output signal, and exports in real time locating information;
Step 26: after receiving the positioning result that reaches required sample number, statistics, assessment bearing accuracy, this project testing finishes.
Fig. 3 is multimode bearing accuracy testing evaluation process flow diagram, and implementation step is:
Step 31: at test control software parameter configuration feature item configuration data simulation parameter (can realize by software interface or script file mode);
Step 32: test macro generates the data simulation information with BD-2 B1 frequency and GPS L1 frequency scene according to the simulation configurations parameter;
Step 33: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 34: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 35: the control equipment under test receives the test macro output signal, and exports in real time locating information;
Step 36: after receiving the positioning result that reaches required sample number, statistics, assessment bearing accuracy, this project testing finishes.
Fig. 4 is pseudorange accuracy of observation estimation flow figure, and implementation step is:
Step 41: at test control software parameter configuration feature item configuration data simulation parameter (can realize by software interface or script file mode);
Step 42: test macro generates the data simulation information of required test scene according to the simulation configurations parameter;
Step 43: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 44: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 45: use power splitter to divide success ratio identical two paths of signals output signal, deliver to respectively two equipment under tests;
Step 46: the control equipment under test is exported the observation datas such as pseudorange, carrier phase by serial ports to test macro;
Step 47: after receiving the observation data that reaches required sample number, finish test.The observation datas such as the pseudorange that equipment under test is exported to test macro, carrier phase are processed through the Data Format Conversion Software that each production unit provides separately afterwards again.
Fig. 5 is rate accuracy estimation flow figure, and implementation step is:
Step 51: at test control software parameter configuration feature item configuration data simulation parameter (can realize by software interface or script file mode);
Step 52: test macro generates the data simulation information of corresponding test scene according to the simulation configurations parameter;
Step 53: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 54: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 55: the control equipment under test receives the test macro output signal, and exports the information that tests the speed in real time;
Step 56: after receiving the result that tests the speed who reaches required sample number, statistics, assessment rate accuracy, this project testing finishes.
Fig. 6 is dynamic RTK accuracy evaluation process flow diagram, and implementation step is:
Step 61: at test control software parameter configuration feature item configuration data simulation parameter (can realize by software interface or script file mode);
Step 62: test macro generates the data simulation information (2 static point signals, be about 3 meters apart) of required test scene at 2 according to the simulation configurations parameter;
Step 63: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 64: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 65: one of them static known point coordinate is sent to wherein equipment under test by serial ports, make it as base station.The static known point general location of another one is sent to another equipment under test by serial ports, make it as rover station;
Step 66: two equipment under tests are linked to each other by Serial Port Line.Base station and rover station receive respectively the output signal of test macro, and rover station exports positioning result to test macro by serial ports in real time;
Step 67: test after 15 minutes, stop test, this project testing finishes.
Claims (6)
1. the real time evaluating method of a satellite navigation equipment for user test system and test precision, it is characterized in that, realize the configuration of test event desired parameters by test control software, generate needed simulated scenario file by the data simulation module by the software mode off-line, and in test process, the simulated scenario file that radiofrequency signal copying module generates according to the data simulation functional module, produce the needed radio frequency simulation signal of test, the subscriber test equipment received RF signal, and gather required sample number test data, realize online real-time statistics assessment, can realize single mode bearing accuracy testing evaluation, multimode bearing accuracy testing evaluation, pseudorange accuracy of observation testing evaluation, rate accuracy assessment and dynamic RTK accuracy evaluation, concrete steps are as follows:
Step 1: at test control software parameter configuration feature item configuration data simulation parameter;
Step 2: test macro generates the data simulation information of corresponding test scene according to the simulation configurations parameter;
Step 3: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 4: control test macro output radiofrequency signal;
Step 5: the control equipment under test receives the test macro output signal, and measurement information is treated in output in real time;
Step 6: after reception reaches required sample number test data, add up, assess precision of information to be measured, this project testing finishes.
2. the real time evaluating method of a kind of satellite navigation equipment for user test system and test precision according to claim 1 is characterized in that, single mode bearing accuracy testing evaluation performing step is:
Step 21: at test control software parameter configuration feature item configuration data simulation parameter;
Step 22: test macro generates the data simulation information of corresponding test scene according to the simulation configurations parameter;
Step 23: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 24: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 25: the control equipment under test receives the test macro output signal, and exports in real time locating information;
Step 26: after receiving the positioning result that reaches required sample number, statistics, assessment bearing accuracy, this project testing finishes.
3. the real time evaluating method of a kind of satellite navigation equipment for user test system and test precision according to claim 1 is characterized in that, multimode bearing accuracy testing evaluation performing step is:
Step 31: at test control software parameter configuration feature item configuration data simulation parameter;
Step 32: test macro generates the data simulation information with BD-2 B1 frequency and GPS L1 frequency scene according to the simulation configurations parameter;
Step 33: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 34: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 35: the control equipment under test receives the test macro output signal, and exports in real time locating information;
Step 36: after receiving the positioning result that reaches required sample number, statistics, assessment bearing accuracy, this project testing finishes.
4. the real time evaluating method of a kind of satellite navigation equipment for user test system and test precision according to claim 1 is characterized in that, pseudorange accuracy of observation assessment performing step is:
Step 41: at test control software parameter configuration feature item configuration data simulation parameter;
Step 42: test macro generates the data simulation information of required test scene according to the simulation configurations parameter;
Step 43: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 44: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 45: use power splitter to divide success ratio identical two paths of signals output signal, deliver to respectively two equipment under tests;
Step 46: the control equipment under test is exported the observation datas such as pseudorange, carrier phase by serial ports to test macro;
Step 47: after receiving the observation data that reaches required sample number, finish test, the observation datas such as the pseudorange that equipment under test is exported to test macro, carrier phase are processed through the Data Format Conversion Software that each production unit provides separately afterwards again.
5. the real time evaluating method of a kind of satellite navigation equipment for user test system and test precision according to claim 1 is characterized in that, rate accuracy assessment performing step is:
Step 51: at test control software parameter configuration feature item configuration data simulation parameter;
Step 52: test macro generates the data simulation information of corresponding test scene according to the simulation configurations parameter;
Step 53: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 54: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 55: the control equipment under test receives the test macro output signal, and exports the information that tests the speed in real time;
Step 56: after receiving the result that tests the speed who reaches required sample number, statistics, assessment rate accuracy, this project testing finishes.
6. the real time evaluating method of a kind of satellite navigation equipment for user test system and test precision according to claim 1 is characterized in that, dynamically RTK accuracy evaluation performing step is:
Step 61: at test control software parameter configuration feature item configuration data simulation parameter;
Step 62: test macro generates the data simulation information of required test scene according to the simulation configurations parameter;
Step 63: radiofrequency signal emulation part is according to the used radiofrequency signal of data simulation Information generation test that generates;
Step 64: the control test macro exports equipment under test rf input port signal power value to and is-130dBm;
Step 65: one of them static known point coordinate is sent to wherein equipment under test by serial ports, make it as base station, the static known point general location of another one is sent to another equipment under test by serial ports, make it as rover station;
Step 66: two equipment under tests are linked to each other by Serial Port Line, and base station and rover station receive respectively the output signal of test macro, and rover station exports positioning result to test macro by serial ports in real time;
Step 67: test after 15 minutes, stop test, this project testing finishes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103267532A (en) * | 2013-04-30 | 2013-08-28 | 东莞市科维电子科技有限公司 | GPS multi-star simulation testing system |
| CN103278822A (en) * | 2013-05-23 | 2013-09-04 | 桂林电子科技大学 | HLA (High level architecture) platform-based performance evaluation system and method for satellite navigation and positioning system |
| CN103516509A (en) * | 2013-10-24 | 2014-01-15 | 中国科学院信息工程研究所 | Segmented acquisition method and system for side information leakage aiming at password device |
| CN105974438A (en) * | 2016-01-28 | 2016-09-28 | 中国人民解放军63966部队 | Vehicle-mounted Beidou/GPS positioning device field positioning accuracy test device |
| CN106257306A (en) * | 2016-01-27 | 2016-12-28 | 上海华测导航技术股份有限公司 | Based on multimode multi-frequency OEM board positioning precision processing method |
| CN106353778A (en) * | 2016-08-23 | 2017-01-25 | 北京东方计量测试研究所 | Navigation terminal precision verification system and method |
| CN106569236A (en) * | 2016-10-28 | 2017-04-19 | 湖南国科防务电子科技有限公司 | Satellite navigation carrier real time closed loop feedback test method |
| 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 |
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| CN103267532A (en) * | 2013-04-30 | 2013-08-28 | 东莞市科维电子科技有限公司 | GPS multi-star simulation testing system |
| CN103278822A (en) * | 2013-05-23 | 2013-09-04 | 桂林电子科技大学 | HLA (High level architecture) platform-based performance evaluation system and method for satellite navigation and positioning system |
| CN103278822B (en) * | 2013-05-23 | 2015-09-30 | 桂林电子科技大学 | Based on satellite navigation and location system performance evaluation system and the method for HLA platform |
| CN103516509A (en) * | 2013-10-24 | 2014-01-15 | 中国科学院信息工程研究所 | Segmented acquisition method and system for side information leakage aiming at password device |
| CN103516509B (en) * | 2013-10-24 | 2016-05-11 | 中国科学院信息工程研究所 | Side information leakage segmented acquisition approach and the system of cryptographic-equipment-oriented |
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| CN105974438A (en) * | 2016-01-28 | 2016-09-28 | 中国人民解放军63966部队 | Vehicle-mounted Beidou/GPS positioning device field positioning accuracy test device |
| CN105974438B (en) * | 2016-01-28 | 2019-04-30 | 中国人民解放军63966部队 | Vehicular Beidou/GPS positioning device outfield positioning accuracy test device |
| CN106353778B (en) * | 2016-08-23 | 2018-11-30 | 北京东方计量测试研究所 | A kind of precision test system and method for navigation terminal |
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| 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 |
| CN106569236A (en) * | 2016-10-28 | 2017-04-19 | 湖南国科防务电子科技有限公司 | Satellite navigation carrier real time closed loop feedback test method |
| CN109633711A (en) * | 2018-12-24 | 2019-04-16 | 长沙北斗产业安全技术研究院有限公司 | A kind of super large dynamic, highly sensitive Spread Spectrum TT&C baseband receiving method and device |
| CN109856648A (en) * | 2018-12-29 | 2019-06-07 | 北京市计量检测科学研究院 | A kind of net about vehicle is had the records of distance by the log timing detection device and method |
| CN109856648B (en) * | 2018-12-29 | 2021-04-23 | 北京市计量检测科学研究院 | Online taxi appointment, taxi and timing detection device and method |
| CN110568461A (en) * | 2019-10-28 | 2019-12-13 | 江苏北斗卫星导航检测中心有限公司 | system and method for testing performance of satellite positioning product |
| WO2022121672A1 (en) * | 2020-12-11 | 2022-06-16 | 华为技术有限公司 | Positioning accuracy evaluation method and apparatus |
| CN112882069A (en) * | 2021-01-12 | 2021-06-01 | 湖南矩阵电子科技有限公司 | Single-flow multi-index test evaluation method and system for satellite navigation terminal |
| WO2023206973A1 (en) * | 2022-04-29 | 2023-11-02 | 湖南卫导信息科技有限公司 | Apparatus for rapidly testing performance of satellite navigation terminals installed on carrier platforms |
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Application publication date: 20130320 |