ECCM Scheme for Countering Main-Lobe Interrupted Sampling Repeater Jamming via Signal Reconstruction and Mismatched Filtering

Digital radio frequency memory (DRFM)-based main-lobe interrupted sampling repeater jamming (ISRJ) can achieve the effects of both deception and suppression, which cause serious performance degradation in modern radar systems. In this article, we propose an electronic counter-countermeasure (ECCM) s...

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Vydáno v:IEEE sensors journal Ročník 23; číslo 12; s. 13261 - 13271
Hlavní autoři: Tian, Dezhi, Wang, Changjie, Ren, Wei, Liang, Zhennan, Liu, Quanhua
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 15.06.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Electronic counter-countermeasure (ECCM)
Electronic countermeasures
Filtration
improved alternating projection algorithm
Jamming
main-lobe interrupted sampling repeater jamming (ISRJ)
mismatched filter (MMF) design
Performance degradation
Projection algorithms
Radar equipment
Repeaters
Sampling
Signal reconstruction
Spaceborne radar
Time domain analysis
ISSN:1530-437X, 1558-1748
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Popis
Shrnutí:Digital radio frequency memory (DRFM)-based main-lobe interrupted sampling repeater jamming (ISRJ) can achieve the effects of both deception and suppression, which cause serious performance degradation in modern radar systems. In this article, we propose an electronic counter-countermeasure (ECCM) scheme based on signal reconstruction and mismatched filtering (SC-MMF). The ECCM scheme consists of two steps: time-domain signal reconstruction and mismatched filter (MMF) design. First, the time-domain signal without noise is reconstructed using the provided jamming perception information. Then, an MMF corresponding to the reconstructed signal is designed to suppress ISRJ targets. The MMF design problem is formulated as a problem of minimizing the peak false target level (PFTL) and is solved with an improved alternating projection algorithm. After mismatched filtering, ISRJ targets are suppressed. Numerical simulations validate the effectiveness of the proposed method and explore the impacts of various parameters on its performance. Moreover, results obtained on measured data show that the proposed method has practical value in engineering applications.
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ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2023.3271116