Improved navigation-based motion compensation for LFMCW synthetic aperture radar imaging

被引：0
|
作者：
Jamal Saeedi
Seyed Mohammad Alavi
机构：
[1] Amirkabir University of Technology (Tehran Polytechnic),Department of Electrical Engineering
[2] Imam Hossein Comprehensive University,Department of Electrical Engineering
来源：
Signal, Image and Video Processing | 2016年 / 10卷
关键词：
Synthetic aperture radar; Motion compensation; Frequency-modulated continuous wave; Strip-map;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, a new motion compensation algorithm using navigation data is proposed for frequency domain algorithm of synthetic aperture radar (SAR) imaging. SAR processing method assumes that the sensor is moving in a straight line at a constant speed; however in reality, a SAR platform will deviate from this ideal. This non-ideal motion can seriously degrade the SAR image quality. In this study, the linear frequency-modulated continuous wave SAR signal model is presented. The effects of non-ideal motion during the SAR signal modeling are investigated, and new method for motion correction is developed. This new motion compensation algorithm is verified with simulated data and with actual data collected using FMCW mode SAR dataset.
引用
收藏
页码：405 / 412
页数：7
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