星载双基地雷达杂波抑制能力分析与构型优选

doi:10.12305/j.issn.1001-506X.2022.02.11

Abstract

Abstract:

Spaceborne bistatic radar has the advantages of wide coverage, anti-stealth, anti-jamming and so on, and has great potential for application in the future. However, due to spaceborne bistatic radar has the characteristics of the large differences in orbital configurations and heterogeneous spatial scales, the clutter spectrum structure of the bistatic radar system is quite different in diverse orbital configurations. In this paper, combined with spaceborne bistatic geometry, consider with topographic relief and resolution space variation and other factors effects on clutter covariance matrix, the clutter distance dependence and adaptive processing loss are analyzed for ana-single based configuration and long distance bistatic configuration under the same altitude orbits, and the spaceborne bistatic orbits configurations and the observation model constraint are proposed to support the optimal design of spaceborne bistatic radar.

Key words: spaceborne bistatic radar, orbital configuration, clutter model, distance dependence

CLC Number:

TN951

Pengyuan HE, Zhiwei YANG, Xiao TAN. Performance analysis and configuration optimization of clutter repection ability of spaceborne bistatic radar[J]. Systems Engineering and Electronics, 2022, 44(2): 440-447.

Figures/Tables 17

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Table 1

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References 18

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参数	星1	星2
轨道高度/km	632	632
轨道倾角/(°)	30	30
近地点幅角/(°)	30	30.04
升交点赤经/(°)	0	0
偏心率	0	0

参数	星1	星2
轨道高度/km	632	632
轨道倾角/(°)	5~60	0
近地点幅角/(°)	10	10
升交点赤经/(°)	0	0
偏心率	0	0

[1]	WANG Yuekun, LI Zhenfang, ZHANG Jinqiang, JI Li. Ground resolution characteristic and orbital configuration analysis for GEO-LEO BiSAR [J]. Systems Engineering and Electronics, 2017, 39(5): 996-1001.
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[3]	ZHANG Xi chuan, ZHANG Yong shun, XIE Wen chong, WANG Yong liang, ZHANG Zeng hui. Analysis of clutter model and DOFs for airborne MIMO radar under orthogonal degradation of waveform [J]. Journal of Systems Engineering and Electronics, 2012, 34(1): 80-84.
[4]	ZHANG Bai-hua, XIE Wen-chong, WANG Yong-liang, ZHANG Yong-shun. Airborne bistatic radar clutter suppression method based on maximum likelihood estimation [J]. Journal of Systems Engineering and Electronics, 2010, 32(8): 1590-1595.

Performance analysis and configuration optimization of clutter repection ability of spaceborne bistatic radar

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