A New Spaceborne Burst Synthetic Aperture Radar Imaging Mode for Wide Swath Coverage

被引：6

作者：

Huang, Pingping ^{[1
]}

Xu, Wei ^{[2
]}

机构：

[1] Inner Mongolia Univ Technol, Coll Informat Engn, Hohhot 010051, Peoples R China

[2] Chinese Acad Sci IECAS, Inst Elect, Dept Spaceborne Microwave Remote Sensing, Beijing 100190, Peoples R China

来源：

REMOTE SENSING | 2014年 / 6卷 / 01期

基金：

中国国家自然科学基金;

关键词：

synthetic aperture radar (SAR); Terrain Observation by Progress Scans (TOPS); wide swath coverage; performance analysis;

D O I：

10.3390/rs6010801

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper presents a new spaceborne synthetic aperture radar (SAR) burst mode named Extended Terrain Observation by Progressive Scans (ETOPS) for wide swath imaged coverage. This scheme extends the imaging performance of the conventional Terrain Observation by Progressive Scans (TOPS) mode with a very limited azimuth beam steering capability. Compared with the TOPS mode with the same azimuth beam steering range for the same swath width, a finer azimuth resolution could be obtained. With the same system parameters, examples of four burst SAR imaging modes named ScanSAR, TOPS, inverse TOPS (ITOPS) and ETOPS are given, and their corresponding system performances are analyzed and compared. Simulation results show that the proposed ETOPS mode could obtain a better high-resolution wide-swath imaging performance under the same conditions.

引用

页码：801 / 814

页数：14

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