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Proceedings Paper

Feasibility analysis on the chirp scaling based wideband and wide swath synthetic aperture imaging algorithm
Author(s): Jinhua Lv; Zhen Tian; Guangyu Cheng; Yong Hong
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Paper Abstract

With the increase of the ratio between signal bandwidth and carrier frequency in the synthetic aperture sonar system, most of conventional imaging algorithms cannot be used for their narrow band approximation inherently. This paper analyzes the determining factors in designing an effective chirp scaling (CS)-based algorithms for focusing the wideband and wide swath synthetic aperture data. Based on the analysis, it is a great potential in designing an effective CS-based wideband and wide swath algorithm for taking into account the higher-order terms with respect to the range baseband frequency in the approximation of the 2-D spectrum and taking into account the higher-order range-variant terms in the approximation of the equivalent chirp rate. The results of simulation show the effectiveness of the theory analysis.

Paper Details

Date Published: 29 August 2016
PDF: 6 pages
Proc. SPIE 10033, Eighth International Conference on Digital Image Processing (ICDIP 2016), 1003336 (29 August 2016); doi: 10.1117/12.2244859
Show Author Affiliations
Jinhua Lv, Wuhan Institute of Shipbuilding Technology (China)
Zhen Tian, Naval Univ. of Engineering (China)
Guangyu Cheng, Naval Univ. of Engineering (China)
Yong Hong, Leador Space Information Technology Co., Ltd. (China)


Published in SPIE Proceedings Vol. 10033:
Eighth International Conference on Digital Image Processing (ICDIP 2016)
Charles M. Falco; Xudong Jiang, Editor(s)

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