Abstract
The interrupted-sampling repeater jamming (ISRJ) is a mainstream jamming method in electronic warfare, simple yet implemented. With the rapid development of anti-ISRJ, due to the defects of ISRJ and the difficulty in ensuring real-time response, there is an urgent need to propose a new ISRJ-based jamming method based on simultaneous transmission and reception (STAR) technology. An interrupted-sampling multi-strategy forwarding jamming (ISMSFJ) with amplitude constraints is proposed by utilizing the characteristics of interrupted sampling in this paper. By modulating different interrupted sampling pulses on the intercepted signal and accurately controlling the delay time and weighting coefficient, it not only destroys the space distribution law of false targets, shortens the response time of the jammer, but also enhances the jamming amplitude or broadens the jamming range. For radar receivers, the jamming overlaps with the time-frequency information of the radar echo signal, and the time-frequency analysis anti-jamming algorithm fails. It can effectively resist the Fractional Fourier Transform anti-jamming algorithm for interpulse and intrapulse frequency-agile signals. The validity of the jamming technology is verified by theoretical analysis and simulation.
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