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Remote Sens. 2014, 6(1), 801-814; doi:10.3390/rs6010801

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

1
College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China
2
Department of Spaceborne Microwave Remote Sensing, Institute of Electronics, Chinese Academy of Sciences (IECAS), Beijing 100190, China
*
Author to whom correspondence should be addressed.
Received: 12 December 2013 / Revised: 2 January 2014 / Accepted: 3 January 2014 / Published: 13 January 2014
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Abstract

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.
Keywords: synthetic aperture radar (SAR); Terrain Observation by Progress Scans (TOPS); wide swath coverage; performance analysis synthetic aperture radar (SAR); Terrain Observation by Progress Scans (TOPS); wide swath coverage; performance analysis
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Huang, P.; Xu, W. A New Spaceborne Burst Synthetic Aperture Radar Imaging Mode for Wide Swath Coverage. Remote Sens. 2014, 6, 801-814.

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