Spatial Variance of Bistatic SAR with One Fixed Station

Junjie WU; Jianyu YANG; Yulin HUANG; Haiguang YANG; Lingjiang KONG

doi:10.1587/transcom.E95.B.3270

Regular Section

Spatial Variance of Bistatic SAR with One Fixed Station

Junjie WU, Jianyu YANG, Yulin HUANG, Haiguang YANG, Lingjiang KONG

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Keywords: bistatic SAR, synthetic aperture radar(SAR), azimuth variance, fixed station

JOURNAL RESTRICTED ACCESS

2012 Volume E95.B Issue 10 Pages 3270-3278

DOI https://doi.org/10.1587/transcom.E95.B.3270

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Abstract

Bistatic synthetic aperture radar (BSAR) with one fixed station (OF-BSAR) can be used in wide area surveillance, ground moving target indication etc. This paper analyzes the spatial variance of OF-BSAR. Analytical expressions of the spatial invariance region in the data space are given. Using these results, we can determine the spatial invariance region in the data set and the imaging area. After that, we give a data blocking scheme for raw data focusing. Numerical simulation verifies the results of this paper.

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