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Short-time maritime target detection based on polarization scattering characteristics

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In this paper,a detection method combining Cameron decomposition based on polarization scattering characteristics in sea clutter background is proposed.Firstly,the Cameron decomposition is exploited to fuse the radar echoes of full polar-ization channels at the data level.Due to the artificial material structure on the surface of the target,it can be shown that the non-reciprocity of the target cell is stronger than that of the clut-ter cell.Then,based on the analysis of the decomposition results,a new feature with scattering geometry characteristics in polarization domain,denoted as Cameron polarization decom-position scattering weight(CPD-SW),is extracted as the test statistic,which can achieve more detailed descriptions of the clutter scattering characteristics utilizing the difference between their scattering types.Finally,the superiority of the proposed CPD-SW detector over traditional detectors in improving detec-tion performance is verified by the IPIX measured dataset,which has strong stability under short-time observation in threshold detection and can also improve the separability of feature space zin anomaly detection.

sea cluttersmall targetradar detectionCameron decompositioncharacteristics analysis

CHEN Shichao、LUO Feng、TIAN Min、LYU Wanghan

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College of Computer and Information Engineering(College of Artificial Intelligence),Nanjing Tech University,Nanjing 211816,China

Hangzhou Institute of Technology,Xidian University,Hangzhou 311200,China

National Natural Science Foundation of ChinaNatural Science Foundation of the Jiangsu Higher Education Institutions of ChinaOpen Fund for the Hangzhou Institute of Technology Academician Workstation at Xidian University

6220125122KJB510024XH-KY-202306-0291

2024

10.23919/JSEE.2023.000148

系统工程与电子技术(英文版)
中国航天科工防御技术研究院 中国宇航学会 中国系统工程学会 中国系统仿真学会

系统工程与电子技术(英文版)

CSTPCD
影响因子：0.64
ISSN：1004-4132
年,卷(期)：2024.35(1)
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