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(N^2.5 ). In addition, this algorithm was validated on Graphic Processing Unit (GPU) by simulation data and measured data.

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	Articles by authors
	Zhang Wen-bin
	Deng Yun-kai
	Wang Yu

Key words： Bistatic Synthetic Aperture Radar (Bi-SAR) Fast Back Projection Algorithm (FBPA) Computational complexity Graphic Processing Unit (GPU)

Received: 2013-03-25; Published: 2013-08-19

Cite this article:

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.

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