An adaptive universal jammer and jamming method based on spectrum sensing

Through an adaptive general jammer based on spectrum perception, spectrum sensing can be used to identify and analyze spectrum signals in real time and generate adaptive interference signals, which solves the problem of not being able to identify and interfere with non-priori spectrum signals in the prior art, and realizes multi-mode interference in wide-band environments, improving interference efficiency and flexibility.

CN115347975BActive Publication Date: 2025-03-21BEIJING ZHONGKE RUIPU TECH CO LTD
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Patent Information

Application Number
CN202210817978.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-12
Publication Date
2025-03-21
Estimated Expiration
2042-07-12

AI Technical Summary

Technical Problem

The prior art cannot effectively identify and interfere with non-priori spectrum signals, and the interference modes for different spectrum signals are single, so it is impossible to comprehensively identify and multi-mode interference in a wide-band spectrum environment.

Method used

Adaptive general jammer based on spectrum perception is adopted, through components such as agile sweep transmitter and receiver, multi-mode interference signal generation module, spectrum detection unit and signal pattern recognition module, we receive and analyze spectrum signals in real time, identify non-cooperative spectrum signal characteristics, and generate adaptive interference signals based on the characteristics.

Benefits of technology

In the random electromagnetic spectrum environment, effectively identifying and interfering with burst spectrum signals improves the flexibility and scalability of interfering signals, reduces dependence on prior signals, and enhances the effectiveness of interference.

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Abstract

An adaptive universal jammer and jamming method based on spectrum perception. Specific implementation methods: 1) The adaptive universal jammer based on spectrum cognition can effectively capture electromagnetic burst signals in space synchronously and transmit multi-mode interference signals. 2) A spectrum signal detection calculation and classification method is proposed, which combines the characteristics of spectrum signal bandwidth or spectrum signal modulation information to calculate the bandwidth threshold of the spectrum signal and analyze the modulation type, etc., which can improve the accuracy of burst spectrum signal detection and identification. 3) The concept of multi-mode interference signal transmission based on the signal feature library is proposed. When and only when the signal feature detection is completed, the mechanism of triggering the transmitter to transmit corresponding to different interference modes is triggered.
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