INNOVATIVE OPERATING MODES AND TECHNIQUES FOR THE SPACEBORNE IMAGING RADAR-C INSTRUMENT

被引：2
|
作者：
HUNEYCUTT, BL
机构：
[1] Jet Propulsion Laboratory, MS300-241, California Institute of Technology, Pasadena, CA 91109
来源：
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 1990年 / 28卷 / 04期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1109/TGRS.1990.572963
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The spaceborne imaging radar-C (SIR-C) is the first radar in the series of spaceborne radar experiments that began with Seasat and continue with SIR-A and SIR-B to use some very innovative techniques. The SIR-C instrument has been designed to obtain simultaneous multifrequency and simultaneous multipolarization radar images from a low earth orbit. It is a multiparameter imaging radar which will be flown during at least two different seasons. The instrument has been designed to operate in innovative modes such as the squint alignment mode, the extended aperture mode, the scansar mode, and the interferometry mode. The instrument has been designed to demonstrate innovative engineering techniques such as beam nulling for echo tracking, pulse repetition frequency hopping for Doppler centroid tracking, generating the frequency step chirp for radar parameter flexibility, block floating point quantizing for data rate compression, and elevation beamwidth broadening for increasing the swath illumination. © 1990 IEEE
引用
收藏
页码：603 / 608
页数：6
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