DEVELOPMENT OF THE ERS-1 ACTIVE RADAR CALIBRATION UNIT

被引：12
|
作者：
JACKSON, HD
WOODE, A
机构：
[1] European Space Technology Centre, Noordwijk, P.O. Box 299
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1992年 / 40卷 / 06期
关键词：
655; Spacecraft; -; 716; Telecommunication; Radar; Radio and Television;
D O I：
10.1109/22.141336
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper describes the development of a microwave Active Radar Calibration Unit (ARC) used as a ground calibration reference standard for the European Remote Sensing Satellite ERS-1 imaging Synthetic Aperture Radar. Three such units are placed across the radar swath giving point target returns with a known signal strength and are used to calibrate the radar image. The units have been designed for maximum stability with temperature (<0.1 dB over the temperature range of - 15-degrees-C to + 35-degrees-C); for absolute calibration the ARC is referenced to a flat plate using a novel technique of multiple transmission in its self calibration mode, achieving an absolute calibration error of < 0.14 dB.
引用
收藏
页码：1063 / 1069
页数：7
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