干扰极化捷变下的空域自适应滤波

doi:10.12305/j.issn.1001-506X.2022.11.03

Abstract

Abstract:

Radar spatial adaptive filtering deteriorates in response to polarization agility jamming. So the performance of radar spatial adaptive filtering of polarization agility jamming is investigated. First, facing the polarization agility jamming, the signal model received by radar antenna arrays is established. Second, the covariance matrix from the receiving data is theoretically analyzed. One jamming source is equivalent to two jamming sources from two different directions and will consume 2 spatial freedoms of the radar. Moreover, the spatial adaptive filtering method is proposed with the polarization agility jamming. Finally, the rationality of the presented method is validated by experiments.

Key words: radar, polarization agility, antenna cross polarization, spatial adaptive filtering

CLC Number:

TN980

Jinli MENG, Yafeng WANG, Jingbei YANG, Ning WANG. Spatial adaptive filtering of polarization agility jamming[J]. Systems Engineering and Electronics, 2022, 44(11): 3305-3312.

Figures/Tables 10

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Spatial adaptive filtering of polarization agility jamming

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