A SAR Back Projection Autofocusing Algorithm Based on Legendre Approximation

A SAR Back Projection Autofocusing Algorithm Based on Legendre Approximation

The Back Projection (BP) algorithm is a very important time-domain methodology for Synthetic Aperture Radar (SAR) imaging. However, conventional autofocus techniques are based on frequency-domain imaging algorithms, and can not be directly applied to BP imagery for error phase estimation. In this pa...

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Bibliographic Details
Main Authors: Gao Yang, Yu Wei-dong, Feng Jin, Zheng Shi-chao, Yang Liang
Format: Article
Language:English
Published: China Science Publishing & Media Ltd. (CSPM) 2014-06-01
Series:Leida xuebao
Subjects:
Back Projection (BP) algorithm
Legendre approximation
Image sharpness
Autofocus
Coordinate decent
Online Access:http://radars.ie.ac.cn/EN/abstract/abstract156.shtml#

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