中国科学院研究生院学报2008，Vol.25Issue(2)：264-271,8.
一种新的逆合成孔径雷达运动补偿算法
A new motion compensation algorithm for ISAR imaging
于化林 1朱敏慧2
作者信息
- 1. 微波成像技术国家级重点实验室,北京,100080
- 2. 中国科学院电子学研究所,北京,100080
- 折叠
摘要
Abstract
Translational motion compensation is a very important step in ISAR imaging. The existing algorithms, which solve motion compensation in two separate steps known as range-bin alignment and phase adjustment, are not so accurate. With regard to this problem, a new algorithm based on early-late convolution is presented. The main idea of the proposed algorithm comes from bit synchronization techniques used in spread spectrum communication systems. Owing to the accurate estimation of target range, range bin alignment and phase correction can be accomplished in one step. Because every pulse is processed separately, there is no error accumulation. The method can achieve very accurate range estimation because it has no quantized error and is not limited by range bin size.关键词
逆合成孔径雷达/运动补偿/早迟卷积/距离估计Key words
inverse synthetic aperture radar/ motion compensation/ early-late convolution/ range estimation分类
信息技术与安全科学引用本文复制引用
于化林,朱敏慧..一种新的逆合成孔径雷达运动补偿算法[J].中国科学院研究生院学报,2008,25(2):264-271,8.
