近海卫星测高波形分类与判别Study on the methods of coastal altimetry waveform classification and discrimination
周浩,谌佳,杨正银,汪海洪
摘要(Abstract)：
针对近海测高数据可用率低下以及传统重跟踪技术的局限性,该文提出了基于动态聚类分析的测高波形分类方法以及基于移动最小距离的波形判别方法,并给出了确定最佳分类数的有效性指标。实现了海洋波形与非海洋波形正确识别,为处理海量测高波形以及根据波形研究最佳重跟踪算法提供了便利。以穿过台湾海峡和台湾近岸的TOPEX/Poseidon波形数据为例进行试验,结果表明,测高波形分为海洋波形、尖锥波形和其他散射波形3类时聚类效果最佳。与OCOG、移动相关系数和β-5等方法的分类结果对比分析表明,本文提出的方法具有一定优势。
关键词(KeyWords)： 卫星测高;近海;波形分类;波形判别
基金项目(Foundation): 国家自然科学基金项目(41174021);; 数字制图与国土信息应用工程国家测绘地理信息局重点实验室开放研究基金资助项目(DM2013SC11)
作者(Author): 周浩,谌佳,杨正银,汪海洪
DOI: 10.16251/j.cnki.1009-2307.2015.06.0014
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