黄端,邱玉宝,石利娟,武胜利,刘小生,阮永俭

• 1:中国科学院遥感与数字地球研究所数字地球重点实验室
• 2:江西理工大学建筑与测绘工程学院
• 3:国家卫星气象中心

摘要(Abstract)：

针对两种不同星载微波辐射计在长时间序列的变化探测研究中存在时空间差异问题,应用时空匹配交叉定标方法,选取亚马逊雨林作为高亮温地面观测目标和格陵兰地区为低亮温地面观测目标,采用原始轨道扫描数据对微波成像仪和先进微波扫描辐射计的时空上相匹配的5通道水平和垂直极化亮度温度数据进行交叉定标。研究结果表明,校正决定系数都在0.99以上,均方根误差均小于1.3K,定标系数精确度高,匹配数据拟合程度非常好。精确的交叉定标系数,对于我国FY3号以及后续卫星等微波定标参数确定、同国外卫星的长时间序列衔接以及数据质量的评估等具有重要意义。

关键词(KeyWords)： 被动微波;交叉定标;AMSR-E;FY3/MWRI;长时间序列

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41371351);; 公益性(气象)行业专项(GYHY201206040)

作者(Author): 黄端,邱玉宝,石利娟,武胜利,刘小生,阮永俭

DOI: 10.16251/j.cnki.1009-2307.2017.01.025

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