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Research and implementation of a large-bandwidth real-time radar jamming simulator
Zhengli Wang1, Shulin Tian1, Hao Zeng1
1School of Automation Engineering, University of Electronic Science and Technology of China (UESTC), No. 2006, Xiyuan Ave., West Hi-Tech Zone, 611731 Chengdu, Sichuan, China.
The Review of Scientific Instruments
|September 25, 2024
Summary
Modern radar systems require advanced anti-jamming capabilities. This study introduces a high-performance, real-time radar jamming simulator covering L-Ku and Ka bands, enhancing radar testing and performance evaluation.
Area of Science:
- Radar systems engineering
- Electromagnetic compatibility
- Signal processing
Background:
- Modern radar systems face increasingly complex electromagnetic environments.
- Enhanced anti-jamming capabilities are crucial for radar performance.
- Existing radar jamming simulators have limitations in bandwidth and real-time simulation.
Purpose of the Study:
- To design and evaluate a large-bandwidth, real-time radar jamming simulator.
- To meet the high-performance requirements for modern radar system testing.
- To simulate complex interference patterns for anti-jamming evaluation.
Main Methods:
- Developed a simulator architecture covering L-Ku and Ka frequency bands with ≥2 GHz instantaneous bandwidth.
- Implemented synchronous control within 1 ms using reflection memory, pulse signals, and real-time software.
- Employed information preprocessing, high-speed storage, multiphase filtering, and parallel computing for efficient baseband signal processing.
Main Results:
- The simulator can generate 11 distinct interference patterns.
- Achieved synchronous control within 1 ms.
- Real-time baseband signal processing time was measured at less than 500 ns.
- Experimental verification confirmed the simulation of main interference patterns.
Conclusions:
- The developed large-bandwidth real-time radar jamming simulator effectively meets modern radar testing requirements.
- The system architecture and processing methods enable efficient and accurate simulation of complex jamming scenarios.
- This simulator enhances the evaluation of radar anti-jamming abilities in challenging electromagnetic environments.
