星载全极化微波散射计系统仿真与性能分析

doi:10.3969/j.issn.0372-2112.2013.12.010

电子学报 ›› 2013, Vol. 41 ›› Issue (12): 2382-2390.DOI: 10.3969/j.issn.0372-2112.2013.12.010

星载全极化微波散射计系统仿真与性能分析

宋忠国^1,2, 董晓龙¹, 林文明³, 朱迪¹

1. 中国科学院微波遥感技术重点实验室中国科学院国家空间科学中心, 北京 100190;
2. 中国科学院研究生院, 北京 100049;
3. 西班牙国家研究委员会海洋科学研究所, 巴塞罗那 08003

收稿日期:2012-10-31 修回日期:2013-05-20 出版日期:2013-12-25
- 作者简介:
- 宋忠国 男，1982年5月出生于吉林延吉.现为中国科学院国家空间科学中心、中国科学院研究生院博士研究生，主要研究方向为星载全极化微波遥感器系统. E-mail：szg0505@163.com 董晓龙 男，1969年9月出生.工学博士，中国科学院国家空间科学中心研究员、博士生导师.主要研究方向：微波遥感理论，微波遥感器系统研究、设计与研制，微波遥感器定标理论、技术与方法，电磁理论及其应用，信号分析与处理等. E-mail：dongxiaolong@mirslab.cn

Spaceborne Polarimetric Microwave Scatterometer System Simulation and Performance Analysis

SONG Zhong-guo^1,2, DONG Xiao-long¹, LIN Wen-ming³, ZHU Di¹

1. The CAS Key Laboratory of Microwave Remote Sensing, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China;
3. Institute of Marine Sciences (ICM-CSIC), Barcelona 08003, Spain

Received:2012-10-31 Revised:2013-05-20 Online:2013-12-25 Published:2013-12-25

摘要/Abstract

摘要： 本文对全极化微波散射计遥感海面风场的原理及其特点进行研究，建立了星载全极化微波散射计的系统仿真模型.对比了SeaWinds散射计参数下全极化与同极化的风场反演质量，结果表明全极化微波散射计在星下点以及刈幅远端的区域有良好的风场反演性能，并可提升高风速条件下的风场反演精度.最后分析了极化通道隔离度对全极化散射计系统性能的影响.

关键词: 全极化, 散射计, 海面风场, 极化隔离度

Abstract: The principles and characteristics of fully polarized microwave scatterometer was analyzed and a simulation model for fully polarized microwave scatterometer system was established.Wind retrieval quality of fully polarized and co-polarized system were compared under parameters of the SeaWinds scatterometer.The results show that fully polarized scatterometer has better performance than conventional co-polarized system in the nadir region and outlying region in swath.And it can improve wind inversion accuracy under high wind-speed conditions.Finally,the effects of polarization isolation on the measurement performance of fully polarized scatterometer system were analyzed.

Key words: fully polarized, scatterometer, sea surface wind field, polarization isolation

中图分类号:

TP732.1

宋忠国, 董晓龙, 林文明, 朱迪. 星载全极化微波散射计系统仿真与性能分析[J]. 电子学报, 2013, 41(12): 2382-2390.

SONG Zhong-guo, DONG Xiao-long, LIN Wen-ming, ZHU Di. Spaceborne Polarimetric Microwave Scatterometer System Simulation and Performance Analysis[J]. Acta Electronica Sinica, 2013, 41(12): 2382-2390.

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星载全极化微波散射计系统仿真与性能分析

Spaceborne Polarimetric Microwave Scatterometer System Simulation and Performance Analysis

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