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

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          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.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 September 2013
          : 2
          : 3
          : 357-366
          Affiliations
          [1 ] Institute of Electronics, Chinese Academy of Sciences
          Article
          cb10810a6c5546799485ed3fa8e8e6b1
          10.3724/SP.J.1300.2013.13031

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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