CN113759395A - Anti-interference test method and system for vehicle-mounted satellite positioning system - Google Patents
Anti-interference test method and system for vehicle-mounted satellite positioning system Download PDFInfo
- Publication number
- CN113759395A CN113759395A CN202111009102.6A CN202111009102A CN113759395A CN 113759395 A CN113759395 A CN 113759395A CN 202111009102 A CN202111009102 A CN 202111009102A CN 113759395 A CN113759395 A CN 113759395A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- interference
- interference source
- positioning system
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention provides an anti-interference test method and system for a vehicle-mounted satellite positioning system, wherein the method comprises the following steps: the upper computer sends a vehicle motion track corresponding to the simulation test scene to the satellite signal simulator so that the satellite signal simulator can generate satellite navigation messages, and sends interference source information corresponding to the simulation test scene and relative position information of the vehicle and the interference source to the interference signal simulator so that the interference signal simulator can generate interference signals; simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner; and the upper computer carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions. By the aid of the method and the device, simulation test of the vehicle-mounted satellite positioning system is realized, and quantitative evaluation of the positioning capability of the vehicle-mounted satellite positioning system is also realized according to simulation test results.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted device testing, in particular to an anti-interference testing method and system for a vehicle-mounted satellite positioning system.
Background
The satellite positioning technology is rapidly developed and is applied to various aspects in our lives. The satellite positioning system can provide information such as position, course angle, elevation and the like, and is widely applied to industries such as automobiles, agriculture and the like.
Before the satellite positioning system is actually used, the positioning capability of the satellite positioning system needs to be tested, but at present, no user-oriented testing device or mechanism exists, manual rough measurement is needed, and not only is the error large, but also time and labor are wasted.
Disclosure of Invention
The invention mainly aims to provide an anti-interference test method and system for a vehicle-mounted satellite positioning system, and aims to solve the technical problems of large error, time consumption and labor consumption of a mode for testing the capability of the satellite positioning system based on manual work in the prior art.
In a first aspect, the present invention provides an anti-interference testing method for a vehicle-mounted satellite positioning system, where the anti-interference testing method for the vehicle-mounted satellite positioning system includes:
the upper computer sends a vehicle motion track corresponding to a simulation test scene to the satellite signal simulator, and sends interference source information corresponding to the simulation test scene and relative position information of a vehicle and the interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a center frequency, a bandwidth, starting time and a starting mode of the simulation interference source;
the satellite signal simulator generates a satellite navigation message based on the vehicle motion track, and the interference signal simulator generates an interference signal based on the interference source information and the relative position information of the vehicle and the interference source;
simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner;
the upper computer obtains a positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions.
Optionally, the simulation test scenario is a vehicle static scenario, the vehicle is static in the vehicle static scenario, one interference source is respectively arranged in the true north, the northeast, the true east, the southeast, the southwest, the true west and the northwest of the vehicle, each interference source is sequentially started in the clockwise direction from the interference source arranged in the true north direction, the starting time of each interference source is the first time length, and the latter interference source is started again at the second time length after the former interference source is closed.
Optionally, the simulation test scenario is a first vehicle movement scenario, the vehicle moves at a preset speed in the first vehicle movement scenario, an interference source which is kept relatively still with the vehicle is set, the interference source is initially in a closed state, and after the vehicle moves for a third time period, the interference source is turned on.
Optionally, the simulation test scenario is a second vehicle movement scenario, a vehicle moves at a preset speed in the second vehicle movement scenario, a stationary interference source is set, the interference source is initially in a closed state, and after the vehicle moves for a fourth time, the interference source is turned on.
Optionally, the step of performing quantitative scoring on the vehicle-mounted satellite positioning system to be measured according to the positioning result, the signal-to-noise ratio under the interference and non-interference conditions includes:
and quantitatively scoring the vehicle-mounted satellite positioning system to be tested according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions on the basis of a scoring mechanism corresponding to the simulation test scene.
In a second aspect, the present invention further provides an anti-interference testing system for a vehicle-mounted satellite positioning system, where the anti-interference testing system for a vehicle-mounted satellite positioning system includes: the system comprises an upper computer, a satellite signal simulator, an interference signal simulator, a combiner and a vehicle-mounted satellite positioning system to be tested; the upper computer sends a vehicle motion track corresponding to a simulation test scene to the satellite signal simulator, and sends interference source information corresponding to the simulation test scene and relative position information of a vehicle and the interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a center frequency, a bandwidth, starting time and a starting mode of the simulation interference source; the satellite signal simulator generates a satellite navigation message based on the vehicle motion track, and the interference signal simulator generates an interference signal based on the interference source information and the relative position information of the vehicle and the interference source; simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner; the upper computer obtains a positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions.
Optionally, the simulation test scenario is a vehicle static scenario, the vehicle is static in the vehicle static scenario, one interference source is respectively arranged in the true north, the northeast, the true east, the southeast, the southwest, the true west and the northwest of the vehicle, each interference source is sequentially started in the clockwise direction from the interference source arranged in the true north direction, the starting time of each interference source is the first time length, and the latter interference source is started again at the second time length after the former interference source is closed.
Optionally, the simulation test scenario is a first vehicle movement scenario, the vehicle moves at a preset speed in the first vehicle movement scenario, an interference source which is kept relatively still with the vehicle is set, the interference source is initially in a closed state, and after the vehicle moves for a third time period, the interference source is turned on.
Optionally, the simulation test scenario is a second vehicle movement scenario, a vehicle moves at a preset speed in the second vehicle movement scenario, a stationary interference source is set, the interference source is initially in a closed state, and after the vehicle moves for a fourth time, the interference source is turned on.
Optionally, the upper computer quantitatively scores the vehicle-mounted satellite positioning system to be tested according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions on the basis of a scoring mechanism corresponding to the simulation test scene.
In the invention, an upper computer sends a vehicle motion track corresponding to a simulation test scene to a satellite signal simulator, and the upper computer sends interference source information corresponding to the simulation test scene and relative position information of a vehicle and an interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a central frequency, a bandwidth, starting time and a starting mode of the simulation interference source; the satellite signal simulator generates a satellite navigation message based on the vehicle motion track, and the interference signal simulator generates an interference signal based on the interference source information and the relative position information of the vehicle and the interference source; simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner; the upper computer obtains a positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions. According to the invention, the satellite navigation message and the interference signal in the simulation test scene are simultaneously transmitted to the vehicle-mounted satellite positioning system to be tested so that the vehicle-mounted satellite positioning system to be tested can perform positioning based on the received satellite navigation message and the interference signal, and the upper computer performs quantitative scoring on the vehicle-mounted satellite positioning system to be tested according to the positioning result of the vehicle-mounted satellite positioning system to be tested and the signal-to-noise ratio under the interference and non-interference conditions, so that the simulation test on the vehicle-mounted satellite positioning system is realized, and the quantitative evaluation on the positioning capability of the vehicle-mounted satellite positioning system is also realized according to the simulation test result.
Drawings
FIG. 1 is a schematic flow chart illustrating an anti-interference testing method for a vehicle-mounted satellite positioning system according to an embodiment of the present invention;
fig. 2 is a schematic configuration diagram of an anti-interference test system of a vehicle-mounted satellite positioning system according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In a first aspect, an embodiment of the invention provides an anti-interference test method for a vehicle-mounted satellite positioning system.
In an embodiment, referring to fig. 1, fig. 1 is a schematic flowchart illustrating an embodiment of an anti-interference testing method for a vehicle-mounted satellite positioning system according to the present invention. As shown in fig. 1, the method for testing anti-interference of the vehicle-mounted satellite positioning system includes:
step S10, the upper computer sends a vehicle motion track corresponding to a simulation test scene to the satellite signal simulator, and the upper computer sends interference source information corresponding to the simulation test scene and relative position information of the vehicle and the interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a center frequency, a bandwidth, starting time and a starting mode of the simulation interference source;
in this embodiment, a simulation test scenario is preset, and specifically, the simulation test scenario may be set on the graphic workstation. And the upper computer formulates information such as vehicle motion trail, interference source information, relative position information of the vehicle and the interference source and the like according to the simulation test scene. The vehicle motion track is the position of the vehicle at each moment in the test process; the interference source information comprises the signal type, the center frequency, the bandwidth, the starting time and the starting mode of the analog interference source; and the relative position information of the vehicle and the interference source is the relative distance and the relative angle between the vehicle and the interference source at each moment in the test process. The upper computer sends a vehicle motion track corresponding to the simulation test scene to the satellite signal simulator, and the upper computer sends interference source information corresponding to the simulation test scene and relative position information of the vehicle and the interference source to the interference signal simulator.
Step S20, the satellite signal simulator generates satellite navigation messages based on the vehicle motion track, and the interference signal simulator generates interference signals based on the interference source information and the relative position information of the vehicle and the interference source;
in this embodiment, the satellite signal simulator may generate the satellite navigation message based on the vehicle motion trajectory, and the interference signal simulator may generate the interference signal based on the interference source information and the relative position information between the vehicle and the interference source.
Step S30, the satellite navigation message and the interference signal are simultaneously transmitted to a vehicle-mounted satellite positioning system to be tested through a combiner;
in this embodiment, the satellite navigation message generated by the satellite signal simulator and the interference signal generated by the interference signal simulator are simultaneously transmitted to the vehicle-mounted satellite positioning system to be tested through the combiner.
And step S40, the upper computer acquires the positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions.
In this embodiment, the satellite navigation message and the interference signal are simultaneously transmitted to the vehicle-mounted satellite positioning system to be detected through the combiner, and the vehicle-mounted satellite positioning system to be detected can analyze the satellite navigation message under the condition that the interference signal exists, so that a positioning result is obtained. It should be noted that the strength of the interference signal may be zero. In the test process, the positioning result analyzed by the vehicle-mounted satellite positioning system to be tested and the signal-to-noise ratio under the interference and non-interference conditions are transmitted to the upper computer, and the upper computer can carry out quantitative scoring on the vehicle-mounted satellite positioning system to be tested according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions.
Further, in an embodiment, the step of quantitatively scoring the vehicle-mounted satellite positioning system to be measured according to the positioning result, the signal-to-noise ratio under the interference and non-interference conditions includes:
and quantitatively scoring the vehicle-mounted satellite positioning system to be tested according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions on the basis of a scoring mechanism corresponding to the simulation test scene.
In this embodiment, a scoring mechanism corresponding to the simulation test scene is preset, and the upper computer can perform quantitative scoring on the vehicle-mounted satellite positioning system to be tested according to the positioning result, the signal-to-noise ratio under the interference and non-interference conditions on the basis of the scoring mechanism corresponding to the simulation test scene. The scoring mechanism comprises a score corresponding to the positioning precision range, a score corresponding to the signal-to-noise ratio under the non-interference condition, a signal-to-noise ratio under the interference condition and a score corresponding to the signal-to-noise ratio under the non-interference condition.
In the embodiment, the upper computer sends a vehicle motion track corresponding to a simulation test scene to the satellite signal simulator, and the upper computer sends interference source information corresponding to the simulation test scene and relative position information of a vehicle and an interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a center frequency, a bandwidth, starting time and a starting mode of the simulation interference source; the satellite signal simulator generates a satellite navigation message based on the vehicle motion track, and the interference signal simulator generates an interference signal based on the interference source information and the relative position information of the vehicle and the interference source; simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner; the upper computer obtains a positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions. According to the embodiment, the satellite navigation message and the interference signal in the simulation test scene are simultaneously transmitted to the vehicle-mounted satellite positioning system to be tested so that the vehicle-mounted satellite positioning system to be tested can be positioned based on the received satellite navigation message and the interference signal, and the upper computer quantitatively scores the vehicle-mounted satellite positioning system to be tested according to the positioning result of the vehicle-mounted satellite positioning system to be tested and the signal-to-noise ratio under the interference and non-interference conditions, so that the simulation test of the vehicle-mounted satellite positioning system is realized, and the quantitative evaluation of the positioning capacity of the vehicle-mounted satellite positioning system is also realized according to the simulation test result.
Further, in an embodiment, the simulation test scenario is a vehicle static scenario, the vehicle is static in the vehicle static scenario, one interference source is respectively arranged in the true north, the northeast, the true east, the southeast, the true south, the southwest, the true west and the northwest of the vehicle, each interference source is sequentially started in the clockwise direction from the interference source arranged in the true north direction, the starting time duration of each interference source is a first time duration, and the next interference source is started at a second time duration after the previous interference source is closed.
In this embodiment, the simulation test scene is set as a vehicle static scene, and the upper computer can obtain the vehicle motion trajectory, the interference source information, and the relative position information between the vehicle and the interference source according to the vehicle static scene.
Further, in an embodiment, the simulation test scenario is a first vehicle movement scenario, a vehicle moves at a preset speed in the first vehicle movement scenario, an interference source which is relatively still with the vehicle is set, the interference source is initially in a closed state, and the interference source is turned on after the vehicle moves for a third time period.
In this embodiment, the simulation test scenario is set as a first vehicle motion scenario, and the upper computer can obtain a vehicle motion trajectory, interference source information, and relative position information between the vehicle and the interference source according to the first vehicle motion scenario.
Further, in an embodiment, the simulation test scenario is a second vehicle movement scenario, a vehicle moves at a preset speed in the second vehicle movement scenario, a stationary interference source is set, the interference source is initially in a closed state, and after the vehicle moves for a fourth time, the interference source is turned on.
In this embodiment, the simulation test scenario is set as a second vehicle movement scenario, and the upper computer can obtain the vehicle movement track, the interference source information, and the relative position information between the vehicle and the interference source according to the second vehicle movement scenario.
In a second aspect, the embodiment of the invention further provides an anti-interference test system for the vehicle-mounted satellite positioning system.
In an embodiment, referring to fig. 2, fig. 2 is a schematic structural diagram of an anti-interference testing system of a vehicle-mounted satellite positioning system according to an embodiment of the present invention. As shown in fig. 2, the anti-interference test system for the vehicle-mounted satellite positioning system includes: the system comprises an upper computer, a satellite signal simulator, an interference signal simulator, a combiner and a vehicle-mounted satellite positioning system to be tested; the upper computer sends a vehicle motion track corresponding to a simulation test scene to the satellite signal simulator, and sends interference source information corresponding to the simulation test scene and relative position information of a vehicle and the interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a center frequency, a bandwidth, starting time and a starting mode of the simulation interference source; the satellite signal simulator generates a satellite navigation message based on the vehicle motion track, and the interference signal simulator generates an interference signal based on the interference source information and the relative position information of the vehicle and the interference source; simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner; the upper computer obtains a positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions.
Further, in an embodiment, the simulation test scenario is a vehicle static scenario, the vehicle is static in the vehicle static scenario, one interference source is respectively arranged in the true north, the northeast, the true east, the southeast, the true south, the southwest, the true west and the northwest of the vehicle, each interference source is sequentially started in the clockwise direction from the interference source arranged in the true north direction, the starting time duration of each interference source is a first time duration, and the next interference source is started at a second time duration after the previous interference source is closed.
Further, in an embodiment, the simulation test scenario is a first vehicle movement scenario, a vehicle moves at a preset speed in the first vehicle movement scenario, an interference source which is relatively still with the vehicle is set, the interference source is initially in a closed state, and the interference source is turned on after the vehicle moves for a third time period.
Further, in an embodiment, the simulation test scenario is a second vehicle movement scenario, a vehicle moves at a preset speed in the second vehicle movement scenario, a stationary interference source is set, the interference source is initially in a closed state, and after the vehicle moves for a fourth time, the interference source is turned on.
Further, in an embodiment, the upper computer performs quantitative scoring on the vehicle-mounted satellite positioning system to be tested according to the positioning result, the signal-to-noise ratio under the interference and non-interference conditions based on a scoring mechanism corresponding to the simulation test scene.
The specific embodiment of the anti-interference test system for the vehicle-mounted satellite positioning system is basically the same as each embodiment of the anti-interference test method for the vehicle-mounted satellite positioning system, and details are not repeated here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for causing a terminal device to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An anti-interference test method for a vehicle-mounted satellite positioning system is characterized by comprising the following steps:
the upper computer sends a vehicle motion track corresponding to a simulation test scene to the satellite signal simulator, and sends interference source information corresponding to the simulation test scene and relative position information of a vehicle and the interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a center frequency, a bandwidth, starting time and a starting mode of the simulation interference source;
the satellite signal simulator generates a satellite navigation message based on the vehicle motion track, and the interference signal simulator generates an interference signal based on the interference source information and the relative position information of the vehicle and the interference source;
simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner;
the upper computer obtains a positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions.
2. The anti-interference testing method of the vehicle-mounted satellite positioning system according to claim 1, wherein the simulation testing scene is a vehicle static scene, the vehicle is static in the vehicle static scene, one interference source is respectively arranged in the true north, the northeast, the true east, the southeast, the true south, the southwest, the true west, and the northwest of the vehicle, the interference sources are sequentially turned on clockwise from the interference source arranged in the true north direction, the turn-on duration of each interference source is a first duration, and the turn-on duration of the following interference source is turned on at an interval of a second duration after the previous interference source is turned off.
3. The method according to claim 1, wherein the simulation test scenario is a first vehicle movement scenario, the vehicle moves at a predetermined speed in the first vehicle movement scenario, an interference source that remains stationary relative to the vehicle is set, the interference source is initially in an off state, and the interference source is turned on after the vehicle moves for a third duration.
4. The method according to claim 1, wherein the simulation test scenario is a second vehicle movement scenario, a stationary interference source is set when the vehicle moves at a predetermined speed in the second vehicle movement scenario, the interference source is initially in a closed state, and the interference source is turned on after the vehicle moves for a fourth time.
5. The method according to claim 1, wherein the step of quantitatively scoring the vehicle-mounted satellite positioning system to be tested according to the positioning result, the signal-to-noise ratio under interference and no interference comprises:
and quantitatively scoring the vehicle-mounted satellite positioning system to be tested according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions on the basis of a scoring mechanism corresponding to the simulation test scene.
6. The utility model provides an anti-interference test system of on-vehicle satellite positioning system which characterized in that, the anti-interference test system of on-vehicle satellite positioning system includes: the system comprises an upper computer, a satellite signal simulator, an interference signal simulator, a combiner and a vehicle-mounted satellite positioning system to be tested; the upper computer sends a vehicle motion track corresponding to a simulation test scene to the satellite signal simulator, and sends interference source information corresponding to the simulation test scene and relative position information of a vehicle and the interference source to the interference signal simulator, wherein the interference source information comprises a signal type, a center frequency, a bandwidth, starting time and a starting mode of the simulation interference source; the satellite signal simulator generates a satellite navigation message based on the vehicle motion track, and the interference signal simulator generates an interference signal based on the interference source information and the relative position information of the vehicle and the interference source; simultaneously transmitting the satellite navigation message and the interference signal to a vehicle-mounted satellite positioning system to be detected through a combiner; the upper computer obtains a positioning result of the vehicle-mounted satellite positioning system to be detected and the signal-to-noise ratio under the interference and non-interference conditions, and carries out quantitative scoring on the vehicle-mounted satellite positioning system to be detected according to the positioning result and the signal-to-noise ratio under the interference and non-interference conditions.
7. The system according to claim 6, wherein the simulated test scenario is a vehicle static scenario, the vehicle is stationary in the vehicle static scenario, one interference source is respectively disposed in the true north, northeast, true east, southeast, true south, true west, and northwest directions of the vehicle, each interference source is sequentially turned on clockwise from the interference source disposed in the true north direction, the turn-on duration of each interference source is the first duration, and the turn-on duration of the former interference source is the second duration after the latter interference source is turned off.
8. The system of claim 6, wherein the simulated test scenario is a first vehicle movement scenario, the vehicle moves at a predetermined speed in the first vehicle movement scenario, an interference source is set to remain stationary relative to the vehicle, the interference source is initially in an off state, and the interference source is turned on after the vehicle moves for a third duration.
9. The system of claim 6, wherein the simulated test scenario is a second vehicle movement scenario, the vehicle moves at a predetermined speed in the second vehicle movement scenario, a stationary interference source is set, the interference source is initially in a closed state, and the interference source is turned on after the vehicle moves for a fourth time period.
10. The system according to claim 6, wherein the host computer quantitatively scores the vehicle-mounted satellite positioning system to be tested based on the scoring mechanism corresponding to the simulation test scenario according to the positioning result and the signal-to-noise ratio under interference and non-interference conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009102.6A CN113759395A (en) | 2021-08-31 | 2021-08-31 | Anti-interference test method and system for vehicle-mounted satellite positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009102.6A CN113759395A (en) | 2021-08-31 | 2021-08-31 | Anti-interference test method and system for vehicle-mounted satellite positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113759395A true CN113759395A (en) | 2021-12-07 |
Family
ID=78792022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111009102.6A Pending CN113759395A (en) | 2021-08-31 | 2021-08-31 | Anti-interference test method and system for vehicle-mounted satellite positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113759395A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114401198A (en) * | 2021-12-31 | 2022-04-26 | 重庆平戎科技有限公司 | Communication control method and system for simulation training |
| CN115575982A (en) * | 2022-11-24 | 2023-01-06 | 中汽研软件测评(天津)有限公司 | Method, apparatus and storage medium for determining robustness of vehicle-mounted satellite positioning system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020053989A1 (en) * | 2000-09-19 | 2002-05-09 | Ching-Fang Lin | Method and system for anti-jamming simulation |
| CN102830407A (en) * | 2012-09-18 | 2012-12-19 | 桂林电子科技大学 | Method and system for automatically testing anti-interference performance of Beidou receiver |
| CN106646540A (en) * | 2016-12-23 | 2017-05-10 | 上海创远仪器技术股份有限公司 | Integrated desk-type signal simulation platform for satellite navigation anti-interference test, and application method for integrated desk-type signal simulation platform |
| CN111688664A (en) * | 2020-05-11 | 2020-09-22 | 武汉理工大学 | Vehicle speed control method and system for unmanned target collision platform vehicle |
-
2021
- 2021-08-31 CN CN202111009102.6A patent/CN113759395A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020053989A1 (en) * | 2000-09-19 | 2002-05-09 | Ching-Fang Lin | Method and system for anti-jamming simulation |
| CN102830407A (en) * | 2012-09-18 | 2012-12-19 | 桂林电子科技大学 | Method and system for automatically testing anti-interference performance of Beidou receiver |
| CN106646540A (en) * | 2016-12-23 | 2017-05-10 | 上海创远仪器技术股份有限公司 | Integrated desk-type signal simulation platform for satellite navigation anti-interference test, and application method for integrated desk-type signal simulation platform |
| CN111688664A (en) * | 2020-05-11 | 2020-09-22 | 武汉理工大学 | Vehicle speed control method and system for unmanned target collision platform vehicle |
Non-Patent Citations (3)
| Title |
|---|
| 冀雅文;张常鑫;任乾卫;雷兴安;: "卫星带宽压缩技术有效力助应急通信" * |
| 张文明: "基于自适应阵抗干扰结构的双星定姿算法" * |
| 张钦娟;王博;王娜;杨蒙;赵润晶;陈晓晨;安旭东;: "车载导航定位技术与测试方法" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114401198A (en) * | 2021-12-31 | 2022-04-26 | 重庆平戎科技有限公司 | Communication control method and system for simulation training |
| CN115575982A (en) * | 2022-11-24 | 2023-01-06 | 中汽研软件测评(天津)有限公司 | Method, apparatus and storage medium for determining robustness of vehicle-mounted satellite positioning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113759395A (en) | Anti-interference test method and system for vehicle-mounted satellite positioning system | |
| CN109358526B (en) | Software in-loop testing method of automatic driving tracking algorithm based on simulation | |
| CN105718710B (en) | A kind of driving behavior analysis method and apparatus | |
| CN111123228A (en) | Vehicle-mounted radar integration test system and method | |
| US8085197B2 (en) | Position calculating method and position calculating device | |
| CN110879154A (en) | System and method for testing performance of automatic braking system | |
| US20160314687A1 (en) | Driving assistance method, program, and driving assistance apparatus | |
| CN112116031B (en) | Target fusion method, system, vehicle and storage medium based on road side equipment | |
| CN111007834A (en) | Laboratory test system and method for ADAS path planning function | |
| CN106530789A (en) | Automobile parking point static drift detection method and system | |
| KR100977004B1 (en) | Check System for a Performance test and a Fault detection of Electronic Warfare device | |
| CN113777952A (en) | Automatic driving simulation test method for interactive mapping of real vehicle and virtual vehicle | |
| CN110555256B (en) | GPS route simulation data generation method and device | |
| CN109682584B (en) | Robot rigidity performance testing method and device | |
| CN115077935A (en) | Automobile endurance reliability verification method | |
| CN111309843B (en) | Vehicle map system testing method and device, electronic equipment and storage medium | |
| CN112526978A (en) | Vehicle driving performance detection method and system, electronic device and storage medium | |
| US6128589A (en) | Method and apparatus for modelling a system which includes the transmission and reception of signals | |
| CN108120450B (en) | Method and device for judging static state | |
| Engelbert et al. | Vehicle-in-the-loop with sensor fusion testing for efficient ADAS and AD tests | |
| CN104635246A (en) | System and method for detecting dynamic range of satellite navigation signal | |
| KR20190083174A (en) | Apparatus and method of digital threat simulation for electronic warfare environments | |
| CN114705186A (en) | Combined navigation verification method and device, terminal equipment and readable medium | |
| CN110442037B (en) | Vehicle communication scene simulation method and device and simulation simulator | |
| CN113625594A (en) | Automatic driving simulation method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |