谭可易,张彪,谢玲玲

• 1:广东海洋大学海洋与气象学院//广东省近海海洋变化与灾害预警重点实验室
• 2:南京信息工程大学海洋科学学院

摘要(Abstract)：

【目的】采用经验模态分解(EMD)方法,基于SAR图像反演海浪参数。【方法】以东北太平洋两幅RADARSAT-2 SAR图像为例,利用谱方法和C波段地球物理模式函数(CMOD5)反演风场,在此基础上,对SAR图像进行EMD分解,得到5个波段的固有模态,由固有模态波长,结合波浪理论和风浪谱,得出研究海域波浪的主波周期和有效波高。【结果与结论】与浮标实测数据对比,反演主波周期偏差为1.9%和13.2%,有效波高偏差为12.2%和12.8%。SAR图像分解与海浪理论结合,为探测反演远海波浪信息提供了新方法。

关键词(KeyWords)： 合成孔径雷达(SAR);风场反演;波浪信息提取;有效波高;EMD

Abstract:

Keywords:

基金项目(Foundation): 广东省高等学校优秀青年教师培养计划(YQ2015088);; GASI专项(GASI-02-SCS-YGST2-02);; 广东海洋大学创新强校项目(GDOU2016050240,GDOU2014050201,GDOU2013010203);; 广东省自然科学团队项目(2016A030312004)

作者(Author): 谭可易,张彪,谢玲玲

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