CN112820167A - Navigation countermeasure training simulation platform - Google Patents
Navigation countermeasure training simulation platform Download PDFInfo
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- CN112820167A CN112820167A CN202110227083.8A CN202110227083A CN112820167A CN 112820167 A CN112820167 A CN 112820167A CN 202110227083 A CN202110227083 A CN 202110227083A CN 112820167 A CN112820167 A CN 112820167A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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- G09B9/003—Simulators for teaching or training purposes for military purposes and tactics
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Abstract
The invention discloses a navigation countermeasure training simulation platform which comprises an interference source and a navigation information monitoring and decision-making auxiliary platform, wherein the interference source consists of a pressing interference antenna, a forwarding interference transmitting antenna, an interference source console, an anti-interference antenna, a non-anti-interference antenna and a power monitor, the navigation information monitoring and decision-making auxiliary platform consists of a satellite navigation receiver, a receiving antenna, an electronic chart, an interference monitoring module and a command decision-making auxiliary module, the navigation receiver receives radio frequency signals of an outdoor receiving antenna, outputs original observation information such as satellite telegraph text, satellite tracking state, pseudo-range data and the like, and the original observation information is imported and loaded into the electronic chart platform through a navigation information interface. The navigation countermeasure training simulation platform provides a simulation and training environment similar to an actual interference environment for naval vessel navigation countermeasure technology and command decision research, is high in functionality, is convenient to operate, and ensures the use of simulation training.
Description
Technical Field
The invention relates to the technical field of navigation, in particular to a navigation confrontation training simulation platform.
Background
At present, with the continuous development of information satellite technology and the continuous construction and improvement of a satellite navigation system, satellite navigation becomes an important component in modern weaponry, and because satellite navigation signals reach the ground and are easily interfered and deceived, the research of the satellite navigation technology becomes a key project of each country, and meanwhile, the countertraining of satellite navigation also becomes a part of military training;
in the prior art, a big dipper/inertia combined anti-spoofing interference method based on kalman filter estimation is proposed in a chinese patent with patent number 201911146038.9, and a satellite-borne forwarding-type spoofing interference system supporting both GPS civil codes and military codes is proposed in a chinese patent with patent number 201910831092.0, but there are certain disadvantages in actual operation, such as:
1. the influence of the pressing type interference and the deception interference on the baseband receiving and positioning resolving of the carrier-based satellite navigation receiver cannot be displayed;
2. the working principle of the anti-interference antenna and the detection suppression type interference parameters cannot be presented;
3. the prior art scheme does not have the function of navigation confrontation training;
therefore, we propose a navigation countermeasure training simulation platform in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a navigation countermeasure training simulation platform, which aims to solve the problem that the prior art cannot display the influence of pressing type interference and deception type interference on baseband receiving and positioning resolving of a ship-borne satellite navigation receiver; the working principle of the anti-interference antenna and the detection suppression type interference parameters cannot be presented; the problem of no navigation countertraining function is solved.
In order to achieve the purpose, the invention provides the following technical scheme: the navigation countermeasure training simulation platform comprises an interference source and a navigation information monitoring and decision-making auxiliary platform, wherein the interference source comprises a pressing type interference antenna, a forwarding type interference transmitting antenna, an interference source console, an anti-interference antenna, a non-anti-interference antenna and a power monitor, and the navigation information monitoring and decision-making auxiliary platform comprises a satellite navigation receiver, a receiving antenna, an electronic chart, an interference monitoring module and a command and decision-making auxiliary module.
Preferably, the interference source controls the emission of the suppressed interference signal, the forwarding deception interference signal and the gradual induced bias interference simulation data through the interference source control platform.
Preferably, the pressing type interference source can simulate the pressing interference effect in different directions and distances in the marine environment.
Preferably, the forwarding type deception jamming signal adopts a delay forwarding scheme, the signal demodulation and positioning calculation are required for forwarding jamming, and specific delay is made on each satellite pseudo range according to the calculated forwarding antenna position and the virtual positioning point to be induced.
Preferably, the step-by-step induced bias interference data simulation is combined with a carrier motion track model, a satellite navigation positioning model and a related error model to simulate and generate the customized time and the satellite positioning data under the customized track.
Preferably, the navigation receiver receives a radio frequency signal of the outdoor receiving antenna, obtains positioning data through capturing, tracking, demodulating, positioning resolving, outputs original observation information such as satellite telegraph text, satellite tracking state, pseudo-range data and the like, and leads in and loads the original observation information into the electronic chart platform through the navigation information interface for the interference monitoring module to use.
Preferably, the received antenna adopts an anti-interference antenna and a non-anti-interference antenna, and the suppression interference phenomenon under the two antenna configurations can be respectively demonstrated.
Preferably, the electronic chart platform software is installed on a high-performance desktop computer and is loaded through the electronic chart platform software memorability position display, information collection, data processing and software modules.
Preferably, the interference monitoring module comprises a suppression interference monitoring module and a deception interference monitoring module, the suppression interference monitoring module comprises power, direction monitoring, satellite ephemeris pseudo-range observation information, satellite tracking state display and storage and playback, the deception interference monitoring module receives satellite navigation positioning data or pseudo-range data after deception interference is forwarded, inertial navigation simulation data is combined, a deception interference detection algorithm is adopted to identify and detect interference, and an INS/GNSS tight coupling-based deception interference monitoring algorithm is adopted to monitor interference in combination with the inertial navigation data.
Preferably, the command decision auxiliary module displays the navigation auxiliary decision information and the combat auxiliary decision information in a prompt information form according to the interference monitoring result and the auxiliary decision model.
Compared with the prior art, the invention has the beneficial effects that: the navigation countermeasure training simulation platform provides a simulation and training environment similar to an actual interference environment for naval vessel navigation countermeasure technology and command decision research, has strong functionality, is convenient to operate, ensures the use of simulation training, and comprises the following functions;
1. demonstrating the influence of pressing type interference and deception interference on baseband receiving and positioning resolving of a carrier-based satellite navigation receiver under a customized condition;
2. demonstrating the working principle of an anti-interference antenna and detecting a pressing type interference parameter;
3. characteristics such as deception jamming messages, pseudo-range information and tracking characteristics are collected and analyzed, and original observation information is provided for deception jamming detection;
4. an algorithm verification and demonstration platform is provided for the interference detection model, and a training platform is provided for navigation battle training.
Drawings
FIG. 1 is a schematic flow chart of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the navigation countermeasure training simulation platform comprises an interference source and a navigation information monitoring and decision-making auxiliary platform, wherein the interference source comprises a pressing type interference antenna, a forwarding type interference transmitting antenna, an interference source console, an anti-interference antenna, a non-anti-interference antenna and a power monitor, and the navigation information monitoring and decision-making auxiliary platform comprises a satellite navigation receiver, a receiving antenna, an electronic chart, an interference monitoring module and a command and decision-making auxiliary module.
In the scheme, the interference source controls and transmits a pressing type interference signal, a forwarding type deception interference signal and gradual deviation inducing type interference simulation data through the interference source control platform, the pressing type interference source can simulate pressing interference effects in different directions and distances in the marine environment, meanwhile, the forwarding type deception interference signal adopts a time delay forwarding scheme, signal demodulation and positioning calculation are needed for forwarding interference, and specific delay is made on each satellite pseudo range according to the calculated position of the forwarding antenna and the virtual positioning point to be induced.
Further, in the scheme, the step-by-step induced bias interference data simulation is combined with a carrier motion track model, a satellite navigation positioning model and a related error model to simulate and generate the customized time and the satellite positioning data under the customized track.
In the scheme, the navigation receiver receives the radio frequency signal of the outdoor receiving antenna, obtains positioning data through capturing, tracking, demodulating and positioning resolving, outputs original observation information such as satellite telegraph text, satellite tracking state and pseudo-range data, and leads in and loads the original observation information into the electronic chart platform through the navigation information interface for the interference monitoring module to use.
Further in this scheme, the received antenna adopts an anti-interference antenna and a non-anti-interference antenna, and can demonstrate suppression interference phenomena under two antenna configurations respectively, the electronic chart platform software is installed in a high-performance desktop computer, and the electronic chart platform software is used for memorability position display, information collection, data processing and software module loading.
In the scheme, the interference monitoring module comprises a suppression interference monitoring module and a cheating interference monitoring module, the suppression interference monitoring module comprises power, direction monitoring, satellite ephemeris pseudo-range observation information and satellite tracking state display, storage and playback, the cheating interference monitoring module receives and forwards satellite navigation positioning data or pseudo-range data after the cheating interference, interference is identified and detected by adopting a cheating interference detection algorithm in combination with inertial navigation data and interference monitoring is carried out by adopting an INS/GNSS tight coupling based cheating interference monitoring algorithm, and the command decision auxiliary module displays navigation auxiliary decision information and combat auxiliary decision information in a prompt information mode respectively according to an interference monitoring result and an auxiliary decision model.
Those not described in detail in this specification are within the skill of the art. The circuit connection and assembly modes used in the invention adopt the conventional connection mode in the prior art, and the details are not described herein.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A navigation countermeasure training simulation platform comprises an interference source and a navigation information monitoring and decision-making auxiliary platform, and is characterized in that: the navigation information monitoring and decision-making auxiliary platform comprises a satellite navigation receiver, a receiving antenna, an electronic chart, an interference monitoring module and a command decision-making auxiliary module.
2. The navigational countermeasure training simulation platform of claim 1, wherein: and the interference source controls and transmits the suppressing interference signal, the forwarding deception interference signal and the gradual induced bias interference simulation data through the interference source control platform.
3. The navigational countermeasure training simulation platform of claim 2, wherein: the pressing type interference source can simulate the pressing interference effect under different directions and distances in the marine environment.
4. The navigational countermeasure training simulation platform of claim 2, wherein: the forwarding type deception jamming signal adopts a time delay forwarding scheme, signal demodulation and positioning calculation are needed for forwarding jamming, and specific delay is made on each satellite pseudo-range according to the calculated forwarding antenna position and the virtual positioning point to be induced.
5. The navigational countermeasure training simulation platform of claim 2, wherein: the step-by-step induced bias interference data simulation is combined with a carrier motion track model, a satellite navigation positioning model and a related error model to simulate and generate customized time and satellite positioning data under a customized track.
6. The navigational countermeasure training simulation platform of claim 1, wherein: the navigation receiver receives radio frequency signals of an outdoor receiving antenna, positioning data is obtained through capturing, tracking, demodulating and positioning resolving, original observation information such as satellite telegraph text, satellite tracking state and pseudo-range data is output, and the original observation information is imported and loaded into an electronic chart platform through a navigation information interface and is used by an interference monitoring module.
7. The navigational countermeasure training simulation platform of claim 6, wherein: the receiving antenna adopts an anti-interference antenna and a non-anti-interference antenna, and can respectively demonstrate the suppression interference phenomenon under the two antenna configurations.
8. The navigational countermeasure training simulation platform of claim 1, wherein: the electronic chart platform software is installed on a high-performance desktop computer and is used for memorability position display, information collection, data processing and software module loading through the electronic chart platform software.
9. The navigational countermeasure training simulation platform of claim 1, wherein: the interference monitoring module comprises a suppression interference monitoring module and a deception interference monitoring module, the suppression interference monitoring module comprises power, direction monitoring, satellite ephemeris pseudo-range observation information and satellite tracking state display, storage and playback, the deception interference monitoring module receives and forwards satellite navigation positioning data or pseudo-range data after deception interference, the deception interference monitoring module identifies and detects interference by adopting a deception interference detection algorithm in combination with inertial navigation data and carries out interference monitoring by adopting an INS/GNSS tight coupling based decoy interference monitoring algorithm.
10. The navigational countermeasure training simulation platform of claim 1, wherein: and the command decision auxiliary module is used for respectively displaying navigation auxiliary decision information and combat auxiliary decision information in a prompt information mode according to the interference monitoring result and an auxiliary decision model.
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| CN202110227083.8A CN112820167A (en) | 2021-03-01 | 2021-03-01 | Navigation countermeasure training simulation platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113420495A (en) * | 2021-05-31 | 2021-09-21 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Active decoy type intelligent anti-interference method |
| CN116027360A (en) * | 2023-03-22 | 2023-04-28 | 南京博网软件科技有限公司 | Beidou broadband interference resistant identification system |
| CN117388876A (en) * | 2023-12-11 | 2024-01-12 | 中国科学院微电子研究所 | Multi-station combined GNSS signal integrity monitoring method and equipment |
-
2021
- 2021-03-01 CN CN202110227083.8A patent/CN112820167A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113420495A (en) * | 2021-05-31 | 2021-09-21 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Active decoy type intelligent anti-interference method |
| CN113420495B (en) * | 2021-05-31 | 2023-02-03 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Active decoy type intelligent anti-interference method |
| CN116027360A (en) * | 2023-03-22 | 2023-04-28 | 南京博网软件科技有限公司 | Beidou broadband interference resistant identification system |
| CN117388876A (en) * | 2023-12-11 | 2024-01-12 | 中国科学院微电子研究所 | Multi-station combined GNSS signal integrity monitoring method and equipment |
| CN117388876B (en) * | 2023-12-11 | 2024-03-22 | 中国科学院微电子研究所 | Multi-station combined GNSS signal integrity monitoring method and equipment |
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