A Fast Back Projection Algorithm for Spotlight Mode Bi-SAR Imaging

Zhang  Wen-bin; Deng  Yun-kai; Wang   Yu

doi:10.3724/SP.J.1300.2013.13031

Volume 2 Issue 3

Sep. 2013

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Article Navigation > Journal of Radars > 2013 > 2(3): 357-366

Zhang Wen-bin, Deng Yun-kai, Wang Yu. A Fast Back Projection Algorithm for Spotlight Mode Bi-SAR Imaging[J]. Journal of Radars, 2013, 2(3): 357-366. doi: 10.3724/SP.J.1300.2013.13031

Citation:

Zhang Wen-bin, Deng Yun-kai, Wang Yu. A Fast Back Projection Algorithm for Spotlight Mode Bi-SAR Imaging[J]. Journal of Radars, 2013, 2(3): 357-366. doi: 10.3724/SP.J.1300.2013.13031

Zhang Wen-bin, Deng Yun-kai, Wang Yu. A Fast Back Projection Algorithm for Spotlight Mode Bi-SAR Imaging[J]. Journal of Radars, 2013, 2(3): 357-366. doi: 10.3724/SP.J.1300.2013.13031

Citation:

Zhang Wen-bin, Deng Yun-kai, Wang Yu. A Fast Back Projection Algorithm for Spotlight Mode Bi-SAR Imaging[J]. Journal of Radars, 2013, 2(3): 357-366. doi: 10.3724/SP.J.1300.2013.13031

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A Fast Back Projection Algorithm for Spotlight Mode Bi-SAR Imaging

doi: 10.3724/SP.J.1300.2013.13031

1.
(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)
2.
(University of Chinese Academy of Sciences, Beijing 100049, China)

Received Date: 2013-03-25
Rev Recd Date: 2013-08-01
Publish Date: 2013-06-28

Abstract

Abstract

A Fast Back Projection (FBP) algorithm for spotlight mode Bistatic Synthetic Aperture Radar (Bi-SAR) was presented. Sync channel signal from land receiver was taken as matched filter for echo signal in the phase of range compression, and the secondary phase calibration decreased the approximation error effects for FBP algorithm in the phase of azimuth compression. Computational complexity of this algorithm was O(N2.5 ). In addition, this algorithm was validated on Graphic Processing Unit (GPU) by simulation data and measured data.