CN116931015A - Satellite navigation interference testing method and system based on dome-shaped microwave darkroom - Google Patents
Satellite navigation interference testing method and system based on dome-shaped microwave darkroom Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 95
- 238000004088 simulation Methods 0.000 claims abstract description 56
- 230000001629 suppression Effects 0.000 claims abstract description 38
- 230000005855 radiation Effects 0.000 claims abstract description 22
- 230000003993 interaction Effects 0.000 claims abstract description 11
- 238000013507 mapping Methods 0.000 claims abstract description 8
- 239000011358 absorbing material Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
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- 238000004590 computer program Methods 0.000 claims description 13
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
- G01S19/215—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service issues related to spoofing
-
- 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
- G01S19/22—Multipath-related issues
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention provides a satellite navigation interference test method and a system based on a dome-shaped microwave darkroom, which relate to the technical field of darkroom suppression interference test and are used for constructing the dome-shaped microwave darkroom, wherein a peripheral shielding body and a wave absorbing material of the dome-shaped microwave darkroom are arranged in a hemispherical shape; simulating a dynamic free space, acquiring a test scene parameter and the type and incoming direction of an interference signal, and calculating a control parameter according to the test scene parameter and the interference signal; and generating corresponding suppression interference simulation signals and multipath signals according to the control parameters, mapping the suppression interference simulation signals and the multipath signals to corresponding positions of the dome-shaped microwave darkroom according to the control parameters to form a suppression interference radiation environment and a multipath test environment, performing data interaction, generating corresponding ephemeris data, outputting navigation simulation signals to form the suppression interference radiation environment, and realizing multipath scene navigation simulation test. The method and the device realize dynamic test and anti-interference test simulating free space.
Description
Technical Field
The disclosure relates to the technical field of darkroom suppression interference testing, in particular to a satellite navigation interference testing method and system based on a dome-shaped microwave darkroom.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The darkroom interference suppression test is to construct a wireless anti-interference test environment based on a microwave darkroom, simulate various radio frequency signals and interference signals of related frequency bands in a Beidou system in the environment, complete the test of the anti-interference capability of various receiving terminals, and finally realize the evaluation of the anti-interference capability of the receiving terminals in a ground simulation test environment.
The conventional darkroom suppression interference test is simpler, can only simulate static test scenes of suppression interference, cannot simulate real interference scenes, cannot simulate ephemeris for a long time, cannot simulate dynamic incoming navigation signals, cannot simulate high dynamic incoming interference signals, cannot construct interference scenes of an airborne missile-borne receiver, and cannot meet test requirements of mainstream anti-interference technologies such as beam forming antennas.
Disclosure of Invention
In order to solve the problems, the disclosure provides a satellite navigation interference testing method and system based on a dome-type microwave darkroom, wherein dynamic testing is performed in the dome-type microwave darkroom, a shielding body and a wave absorbing material are distributed in a shape of a large half sphere, external signals are shielded from outside and enter the darkroom, the influence of reflected electromagnetic waves on testing performance is reduced from inside, and a simulated free space environment is provided.
According to some embodiments, the present disclosure employs the following technical solutions:
a satellite navigation interference testing method based on a dome-shaped microwave darkroom comprises the following steps:
constructing a vault type microwave darkroom, wherein a peripheral shielding body and a wave absorbing material of the vault type microwave darkroom are arranged in a hemispherical shape;
simulating a dynamic free space, acquiring a test scene parameter and the type and incoming direction of an interference signal, and calculating a control parameter according to the test scene parameter and the interference signal;
and generating corresponding suppression interference simulation signals and multipath signals according to the control parameters, mapping the suppression interference simulation signals and the multipath signals to corresponding positions of the dome-shaped microwave darkroom according to the control parameters to form a suppression interference radiation environment and a multipath test environment, performing data interaction, generating corresponding ephemeris data, outputting navigation simulation signals to form the suppression interference radiation environment, and realizing multipath scene navigation simulation test.
According to some embodiments, the present disclosure employs the following technical solutions:
satellite navigation interference test system based on vault formula microwave darkroom includes:
the system control unit is used for simulating a dynamic free space, acquiring test scene parameters and types and directions of interference signals, and calculating control parameters according to the test scene parameters and the interference signals;
the interference signal simulator is used for generating a corresponding suppression interference simulation signal according to the control parameter;
the radio frequency channel switching and controlling unit is used for mapping the suppression interference analog signals to the corresponding positions of the dome-shaped microwave darkroom;
the wireless channel simulator is used for generating corresponding multipath signals according to the control parameters and outputting the generated corresponding multipath signals to the position of the dome-shaped microwave darkroom; forming a suppressed interference radiation environment and a multipath test environment, performing data interaction, generating corresponding ephemeris data, outputting navigation simulation signals, forming the suppressed interference radiation environment, and realizing multipath scene navigation simulation test.
According to some embodiments, the present disclosure employs the following technical solutions:
a non-transitory computer readable storage medium for storing computer instructions that, when executed by a processor, implement the dome-based microwave darkroom satellite navigation interference test method.
According to some embodiments, the present disclosure employs the following technical solutions:
an electronic device, comprising: a processor, a memory, and a computer program; the processor is connected with the memory, the computer program is stored in the memory, and when the electronic equipment runs, the processor executes the computer program stored in the memory so as to enable the electronic equipment to execute the satellite navigation interference testing method based on the dome-type microwave darkroom.
Compared with the prior art, the beneficial effects of the present disclosure are:
the method and the device realize dynamic test by utilizing the vault type microwave darkroom, realize simulation free space, realize navigation signals, deception interference signals, interference signals and multipath signal radiation, and realize anti-interference test and anti-deception test.
The system control unit firstly determines the type and the incoming direction of the interference signal according to the test scene and the simulation moment, and calculates the control parameters of the interference signal simulator, the radio frequency channel switching and control unit and the wireless channel simulator in a simulation mode, wherein the parameters comprise interference frequency points, power, interference patterns, interference quantity and the like.
The interference signal simulator generates a corresponding interference signal according to the issued control parameter; the radio frequency channel switching and control unit maps the interference signal to the corresponding position of the dome-shaped microwave darkroom according to the control parameter to form an interference radiation environment and realize an interference test scene. The wireless channel simulator receives the control parameters to generate corresponding multipath signals, outputs the multipath signals to the position of the dome-shaped microwave darkroom, forms corresponding multipath test environments, generates corresponding data interaction and realizes multipath scene simulation. Compared with the prior static test, the dynamic test and the simulation free space are realized, the navigation signal, the deception jamming signal, the jamming signal and the multipath signal radiation are realized, and the anti-jamming test, the deception test and the like are realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the exemplary embodiments of the disclosure and together with the description serve to explain the disclosure, and do not constitute an undue limitation on the disclosure.
FIG. 1 is a diagram of a prior art darkroom suppression interference test scenario in accordance with the present disclosure;
FIG. 2 is a diagram of a simulation of a dome-type microwave darkroom of the present disclosure;
FIG. 3 is a diagram of the dome microwave darkroom architecture of the present disclosure;
FIG. 4 is a schematic diagram of a flow chart of a disturbance test of a dome-type microwave darkroom of the present disclosure;
fig. 5 is a system configuration diagram of the present disclosure.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Example 1
An embodiment of the present disclosure provides a satellite navigation interference testing method based on a dome-type microwave darkroom, including:
step one: constructing a vault type microwave darkroom, wherein a peripheral shielding body and a wave absorbing material of the vault type microwave darkroom are arranged in a hemispherical shape;
step two: simulating a dynamic free space, acquiring a test scene parameter and the type and incoming direction of an interference signal, and calculating a control parameter according to the test scene parameter and the interference signal;
step three: and generating corresponding suppression interference simulation signals and multipath signals according to the control parameters, mapping the suppression interference simulation signals and the multipath signals to corresponding positions of the dome-shaped microwave darkroom according to the control parameters to form a suppression interference radiation environment and a multipath test environment, performing data interaction, generating corresponding ephemeris data, outputting navigation simulation signals to form the suppression interference radiation environment, and realizing multipath scene navigation simulation test.
As an embodiment, the implementation process of the satellite navigation interference testing method based on the dome-shaped microwave darkroom of the present disclosure includes:
step 1: constructing a vault type microwave darkroom, wherein a peripheral shielding body and a wave absorbing material of the vault type microwave darkroom are arranged in a hemispherical shape;
step 2: simulating a dynamic free space, acquiring a test scene parameter and the type and incoming direction of an interference signal, and calculating a control parameter according to the test scene parameter and the interference signal;
step 3: and generating corresponding interference simulation signals and multipath signals according to the control parameters, mapping the interference simulation signals and the multipath signals to corresponding positions of the dome-shaped microwave darkroom according to the control parameters, forming an interference radiation environment and a multipath test environment, performing data interaction, and realizing multipath scene simulation.
In step 1, a dynamic test is performed in a dome-type microwave darkroom. The shielding body and the wave absorbing material are distributed in a shape of a half sphere, external signals are shielded from outside and enter the darkroom, the influence of reflected electromagnetic waves on the testing performance is reduced, and a simulated free space environment is provided.
And simulating free space, realizing navigation signals, deception interference signals, interference signals and multipath signal radiation, realizing attitude control of a tested piece and maintenance means of an antenna in a darkroom, and constructing an anti-interference test, anti-multipath test and anti-deception test environment.
In step 2 and step 3, first, the system control unit determines the type and direction of the interference signal according to the test scene and the simulation time, and calculates the control parameters of the interference signal simulator, the radio frequency channel switching and control unit and the radio channel simulator through simulation, wherein the parameters include interference frequency points, power, interference patterns, interference quantity and the like.
Secondly, the interference signal simulator generates a corresponding interference signal according to the issued control parameter; the radio frequency channel switching and control unit maps the interference signal to the corresponding position of the dome-shaped microwave darkroom according to the control parameter to form an interference radiation environment and realize an interference test scene.
And the suppression interference signal simulator simulates and generates suppression interference simulation signals according to the test scene parameters, outputs the suppression interference simulation signals from different ports, and maps the suppression interference simulation signals to the interference multipath antenna combination and the direction adjusting device.
Similarly, the wireless channel simulator receives the control parameters to generate corresponding multipath signals, outputs the corresponding multipath signals to the position of the dome-shaped microwave darkroom, forms a corresponding multipath test environment, generates corresponding data interaction and realizes multipath scene simulation.
The wireless channel simulator has the real-time simulation capability of multipath signals of the navigation system in a large-scale complex 3D scene; the multi-path simulation of scenes including high buildings, bridges, canyons and the like is supported, the parameter definition of an environment model is provided, and the surface materials and electromagnetic wave reflection coefficients of the 3D environment model can be obtained; supporting parameters such as the change rate of a pseudo range of a multipath signal and the like to carry out accurate setting; and the influence of the carrier on multipath signals, including models of automobiles, helicopters, fighters and the like. In addition, the wireless channel simulator also has the capability of setting navigation signal tracks according to an online 3D map or an offline map, a carrier model loading function can be used, a carrier model acquired through the Internet or other modes can be imported and used, and supported model formats are as follows: 3DS, SKP, OBJ, FBX; supporting multipath signal filtering setting, and setting preferential simulation according to attenuation or delay of multipath signals; supporting the customization of the number of multipaths and the number of reflections.
As an embodiment, as shown in fig. 4, includes:
the satellite navigation new system signal simulator generates corresponding ephemeris data through simulation calculation according to the test scene parameters, sends the ephemeris data to the control test system and outputs a navigation simulation signal at the same time;
and the suppression interference signal simulator simulates and generates a suppression interference simulation signal according to the test scene parameters and outputs the suppression interference simulation signal to the radio frequency channel switching and control unit.
The radio frequency channel switching and control unit outputs the suppressed interference analog signals from different ports according to the test scene parameters, and maps the suppressed interference analog signals to the interference multipath antenna combination and the pointing adjustment device;
the interference multipath antenna combination and the direction adjusting device output the input navigation analog signal and the suppression interference analog signal radiation, and the set navigation signal and the suppression interference signal radiation effect are formed on the antenna port of the tested receiver.
The suppression interference signal simulator generates suppression interference simulation signals in a simulation mode according to the test scene parameters and outputs the suppression interference simulation signals to the radio frequency channel switching and control unit;
the satellite navigation new system multipath output signal simulator generates corresponding ephemeris data through simulation calculation according to the test scene parameters and outputs a navigation simulation signal;
the radio frequency channel switching and control unit outputs the suppressed interference analog signals from different ports according to the test scene parameters, and maps the suppressed interference analog signals to the interference multipath antenna combination and direction adjustment unit;
the interference multipath antenna combination and direction adjusting unit outputs the input navigation analog signal and interference analog signal radiation, and forms a set navigation signal and suppresses interference signal radiation effect on the antenna port of the tested receiver.
Description of principle:
the system simulates interference signals with different directions and different intensities and types and real complex 3D environment multipath signals, simultaneously realizes automatic switching control of different scene interference directions, and provides at most 128 interference directions and 12 multipath direction simulations.
As an embodiment, the range of the interference pitch angle is-24 degrees to +70 degrees, the azimuth angle is 0 degrees to +360 degrees, and the space angle between any two antennas is smaller than 24 degrees.
As an embodiment, the simultaneous output of multiple incoherent interference is realized in the dome-shaped microwave darkroom, the program-controlled attenuation of the output level is realized, the attenuation range is 0 dB-110 dB, and the steps of 10dB and 1dB are realized.
As an embodiment, implementing the interference pattern in the dome-shaped microwave camera comprises: amplitude modulation, frequency modulation, swept frequency interference, gaussian white noise interference, and impulse interference.
Example 2
In one embodiment of the present disclosure, a satellite navigation interference testing system based on a dome-type microwave darkroom is provided, including:
the system control unit is used for simulating a dynamic free space, acquiring test scene parameters and types and directions of interference signals, and calculating control parameters according to the test scene parameters and the interference signals;
the interference signal simulator is used for generating a corresponding suppression interference simulation signal according to the control parameter;
the radio frequency channel switching and controlling unit is used for mapping the suppression interference analog signals to the corresponding positions of the dome-shaped microwave darkroom;
the wireless channel simulator is used for generating corresponding multipath signals according to the control parameters and outputting the generated corresponding multipath signals to the position of the dome-shaped microwave darkroom; forming a suppressed interference radiation environment and a multipath test environment, performing data interaction, generating corresponding ephemeris data, outputting navigation simulation signals, forming the suppressed interference radiation environment, and realizing multipath scene navigation simulation test.
The analog subsystem mainly comprises a radio frequency channel switching and control unit, an interference signal simulator and a wireless channel simulator, as shown in fig. 5.
The system control unit firstly determines the type and the incoming direction of the interference signal according to the test scene and the simulation moment, and calculates the control parameters of the interference signal simulator, the radio frequency channel switching and control unit and the wireless channel simulator in a simulation way, wherein the parameters comprise interference frequency points, power, interference patterns, interference quantity and the like.
The interference signal simulator generates a corresponding interference signal according to the issued control parameter; the radio frequency channel switching and control unit maps the interference signal to the corresponding position of the dome-shaped microwave darkroom according to the control parameter to form an interference radiation environment and realize an interference test scene.
Similarly, the wireless channel simulator receives the control parameters to generate corresponding multipath signals, outputs the corresponding multipath signals to the position of the dome-shaped microwave darkroom, forms a corresponding multipath test environment, generates corresponding data interaction and realizes multipath scene simulation.
Example 3
In one embodiment of the disclosure, a non-transitory computer readable storage medium is provided for storing computer instructions that, when executed by a processor, implement the dome-based microwave darkroom-based satellite navigation interference testing method.
Example 4
In one embodiment of the present disclosure, there is provided an electronic device including: a processor, a memory, and a computer program; the processor is connected with the memory, the computer program is stored in the memory, and when the electronic equipment runs, the processor executes the computer program stored in the memory so as to enable the electronic equipment to execute the satellite navigation interference testing method based on the dome-type microwave darkroom.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the specific embodiments of the present disclosure have been described above with reference to the drawings, it should be understood that the present disclosure is not limited to the embodiments, and that various modifications and changes can be made by one skilled in the art without inventive effort on the basis of the technical solutions of the present disclosure while remaining within the scope of the present disclosure.
Claims (10)
1. The satellite navigation interference testing method based on the dome-shaped microwave darkroom is characterized by comprising the following steps of:
constructing a vault type microwave darkroom, wherein a peripheral shielding body and a wave absorbing material of the vault type microwave darkroom are arranged in a hemispherical shape;
simulating a dynamic free space, acquiring a test scene parameter and the type and incoming direction of an interference signal, and calculating a control parameter according to the test scene parameter and the interference signal;
and generating corresponding suppression interference simulation signals and multipath signals according to the control parameters, mapping the suppression interference simulation signals and the multipath signals to corresponding positions of the dome-shaped microwave darkroom according to the control parameters to form a suppression interference radiation environment and a multipath test environment, performing data interaction, generating corresponding ephemeris data, outputting navigation simulation signals to form the suppression interference radiation environment, and realizing multipath scene navigation simulation test.
2. The dome-based microwave darkroom satellite navigation interference test method of claim 1, wherein the control parameters comprise interference frequency, power, interference pattern, and interference number.
3. The satellite navigation interference testing method based on the dome-type microwave darkroom according to claim 1, wherein the range of the interference pitch angle realized in the dome-type microwave darkroom is-24 degrees to +70 degrees, the azimuth angle is 0 degrees to +360 degrees, and the space included angle between any two antennas is smaller than 24 degrees.
4. The satellite navigation interference testing method based on the dome-type microwave darkroom according to claim 1, wherein multiple paths of incoherent interference are simultaneously output in the dome-type microwave darkroom, the output level is subjected to program-controlled attenuation, the attenuation range is 0 dB-110 dB, and the stepping of 10dB and 1dB is realized.
5. The dome-based microwave darkroom satellite navigation interference testing method of claim 1, wherein implementing an interference pattern in the dome-based microwave darkroom comprises: amplitude modulation, frequency modulation, swept frequency interference, gaussian white noise interference, and impulse interference.
6. The satellite navigation interference testing method based on the dome-shaped microwave darkroom according to claim 1, wherein the interference signal is generated by an interference signal simulator according to the control parameter, and the interference signal is mapped to the corresponding position of the dome-shaped microwave darkroom by a radio frequency channel switching and control unit according to the control parameter, so as to form a suppressed interference radiation environment and realize an interference testing scene.
7. The satellite navigation interference testing method based on the dome-shaped microwave darkroom according to claim 1, wherein the multipath signals are generated by a wireless channel simulator according to control parameters and output to the position of the dome-shaped microwave darkroom to form a corresponding multipath testing environment, and corresponding data interaction is generated to realize multipath scene simulation.
8. Satellite navigation interference test system based on vault formula microwave darkroom, characterized by comprising:
the system control unit is used for simulating a dynamic free space, acquiring test scene parameters and types and directions of interference signals, and calculating control parameters according to the test scene parameters and the interference signals;
the interference signal simulator is used for generating a corresponding interference simulation signal according to the control parameter;
the radio frequency channel switching and controlling unit is used for mapping the interference analog signals to the corresponding positions of the dome-shaped microwave darkroom;
and the wireless channel simulator is used for generating corresponding multipath signals according to the control parameters and outputting the generated corresponding multipath signals to the position of the dome-shaped microwave darkroom.
9. A non-transitory computer readable storage medium storing computer instructions which, when executed by a processor, implement the dome-based microwave darkroom-based satellite navigation interference test method according to any of claims 1-7.
10. An electronic device, comprising: a processor, a memory, and a computer program; wherein the processor is connected to the memory, and the computer program is stored in the memory, and when the electronic device is running, the processor executes the computer program stored in the memory, so that the electronic device executes the satellite navigation interference testing method based on the dome-type microwave darkroom according to any one of claims 1 to 7.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406008A (en) * | 2023-12-15 | 2024-01-16 | 深圳沃特检验集团有限公司 | Radio frequency conduction immunity test method, device, equipment and storage medium |
| CN118033382A (en) * | 2024-04-11 | 2024-05-14 | 理工雷科电子(西安)有限公司 | Testing method and system of navigation system |
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2023
- 2023-07-27 CN CN202310938420.3A patent/CN116931015A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406008A (en) * | 2023-12-15 | 2024-01-16 | 深圳沃特检验集团有限公司 | Radio frequency conduction immunity test method, device, equipment and storage medium |
| CN117406008B (en) * | 2023-12-15 | 2024-04-12 | 深圳沃特检验集团股份有限公司 | Radio frequency conduction immunity test method, device, equipment and storage medium |
| CN118033382A (en) * | 2024-04-11 | 2024-05-14 | 理工雷科电子(西安)有限公司 | Testing method and system of navigation system |
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