地球科学进展 ›› 2001, Vol. 16 ›› Issue (1): 93 -97. doi: 10.11867/j.issn.1001-8166.2001.01.0093

综述与评述 上一篇    下一篇

多波段多极化合成孔径雷达的海洋学应用
董 庆 1,2,郭华东 1,王长林 1
  
  1. 1.中国科学院遥感应用研究所遥感信息科学开放研究实验室,北京  100101;
    2.国家海洋局海洋技术研究所,天津  300111
  • 收稿日期:2000-03-08 修回日期:2000-05-10 出版日期:2001-02-01
  • 通讯作者: 董庆(1965-),男,河南省息县人,博士生,主要从事雷达海洋遥感应用基础研究. E-mail:king dong@263.net
  • 基金资助:

    国家自然科学基金重点项目“新型成像雷达对地观测机理及地物识别技术”(编号 :49989001);中国科学院重大项目(编号:KZ951-A1-3)资助.

OCEANOGRAPHIC SURVEY OF MULTI-BAND AND MULTI-POLARIZATION SYNTHETIC APERTURE RADAR

DONG Qing 1,2, GUO Hua-dong 1, WANG Chang-lin 1
  

  1. 1.LARSIS,Institute of Remote Sensing Applications,CAS,Beijing  100101,China;
    2.Institute of Oceanography Technology,National Ocean Administration,Tianjin  300111,China
  • Received:2000-03-08 Revised:2000-05-10 Online:2001-02-01 Published:2001-02-01

多波段、多极化合成孔径雷达是成像雷达的发展趋势。结合实际多波段多极化的 SIR- C/X-SAR数据在海洋应用中的研究结果,指出面临多波段多极化雷达数据的发展趋势,在海洋应用领域应结合海洋环境要素加强海面雷达后向散射的全极化分析、建立全极化海面散射模型及极化不变量和最优极化等方向的研究 .

In this paper we compare some polarimetric properties of rough sea surfaces from multi band and multi polarization radar images of South China Sea. Radar images used for this study were acquired during the SIR C/X SAR mission in 1994. With results of polarimetric analysis, the individual dependencies of radar signatures of wind generated rough sea surfaces polarization can be quite different. This enables us to identify radar signatures of oceanic origin in multi band and multi polarization data to estimate the corresponding oceanographic parameters and wind variations independently. This behavior results in different dependencies of radar signatures of rough sea surface on polarization. Accordingly, a perfect scattering model of wind generated sea surface of signatures may be possible where multi band and multi polarization radar imagery is available with some in situ data.

中图分类号: 

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