星载SAR海浪遥感中波向确定的一种新方法

杨劲松; 黄韦艮; 周长宝

doi:10.11834/jrs.20020207

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星载SAR海浪遥感中波向确定的一种新方法
A New Method on Wave Propagation Direction Determination from SAR Imagery
2002年第2期页码：113-116
纸质出版：2002
DOI： 10.11834/jrs.20020207
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[1]杨劲松,黄韦艮,周长宝.星载SAR海浪遥感中波向确定的一种新方法[J].遥感学报,2002(02):113-116. DOI： 10.11834/jrs.20020207.

A New Method on Wave Propagation Direction Determination from SAR Imagery[J]. Journal of Remote Sensing, 2002, (2): 113-116. DOI： 10.11834/jrs.20020207.

摘要

海浪传播方向的 180°不确定性是海浪遥感的固有问题。根据海浪传播理论

提出了解决该问题的一种新方法。利用该方法可直接由合成孔径雷达（SAR）图像确定海浪的传播方向

消除波向 180°不确定性。实例研究表明

利用该方法确定的海浪传播方向与同步海浪数据有很好的一致性

Abstract

Synthetic aperture radar（SAR）is an instantaneous imaging system which gives a snapshot of the sea surface. There exists a 180° propagation direction ambiguity problem when ocean waves are imaged by a SAR.Complex SAR ima-gery must be used to resolve the problem in addition to in situ measurements at present.A new method is developed based on the propagation theory of gravity waves in this paper.By using this method

only a single frame of real SAR image is needed.The processing procedure is simple and especially suitable for operational use.The results from a case study show good agreement with in situ measurements.