HY-2卫星微波散射计反演风矢量产品真实性检验方法研究  

Validation of wind vectors retrieved by the HY-2 microwave scatterometer using NCEP model data

作　　者：穆博[1] 林明森[1] 彭海龙[1] 宋清涛[1] 周武[1] 

机构地区：[1]国家卫星海洋应用中心,北京100081

出　　处：《中国工程科学》2014年第6期39-45,共7页Strategic Study of CAE

基　　金：自然科学基金项目(41276019);公益项目(201305032);航天关键技术预先研究项目"中法海洋卫星算法研究与应用预研";国家高技术研究发展计划(863计划)(2013AA09A505);HY-2卫星激光观测精密定轨技术(201105032)

摘　　要：海洋二号(HY-2)卫星微波散射计主要用于测量海表面的风速和风向,为了确保地面应用系统业务化处理软件生产产品的质量,必须对其生产产品进行真实性检验,为数据产品的定量化应用提供依据。本文基于NCEP分析资料数据,对HY-2卫星微波散射计反演风矢量产品进行了真实性检验,检验结果表明:采用NCEP分析数据,除了可以给出HY-2卫星微波散射计反演风矢量产品的整体精度评价之外,还可以用于快速分析与圆锥扫描笔形波束体制相关及测量机理的精度特性分析,辅助分析识别仪器在轨测量性能的短期异常。The microwave scatterometer onboard HY-2 Satellite mainly makes measurements of surface wind vectors over the global oceans. In order to ensure that the quality of wind vectors produced by ground application system software,the product must be validated to provide the basis for the quantitative application of the data product.This paper performs the validation of wind vectorsretrieved by HY-2 scatterometer using national centers for environmental prediction （NCEP ）model data. The validation result suggests that the validationmethod cangive the precision of the overall wind vectors,and also can be used to analyze the precision characteristics relating with thescanningpencil-beam system and the scatterometer measurement mecha-nism.Meanwhile the validation can aid to identify the short-term anomaly ofin-orbit measuring performance.

关 键 词：微波散射计 反演风矢量 真实性检验 

分 类 号：TP732.1[自动化与计算机技术—检测技术与自动化装置] P714.2[自动化与计算机技术—控制科学与工程]