OSMAR2000海洋表面径向流场的生成及后处理  

Postprocessing of Ocean Surface Radial Current Mapping of OSMAR2000

作　　者：杨绍麟[1] 柯亨玉[1] 文必洋[1] 程丰[1] 周浩[1] 

机构地区：[1]武汉大学电子信息学院,湖北武汉430072

出　　处：《武汉大学学报（理学版）》2001年第5期614-617,共4页Journal of Wuhan University:Natural Science Edition

基　　金：国家 8 63计划资助项目 (863 -818-0 1-0 2 )

摘　　要：为了径向流图的双站合成 ,在 OSMAR2 0 0 0超分辨率海洋表面流算法提取径向流后 ,再经过均匀网格径向流图的生成、多幅径向流图的组合、海流实际探测张角和有效探测距离的截取 ,以及径向流空缺区域的局域插值 ,最终生成了所需的单站径向流图 ,经双站合成 ,形成海洋表面矢量流图 .现场对比验证实验证明 。Super resolution ocean surface current algorithm based on MUSIC is applied for the radial current mapping by Wuhan University's Ocean State Measuring and Analyzing Radar (OSMAR2000). MUSIC is generally applied to process discrete object signals, however, the ocean surface is a continuum. The intrinsic difference makes the postprocessing necessary after the radial current data is obtained,to create the single station ocean surface radial current maps suitable for the dual station synthesis to get vector current map. The postprocessing contains the following steps: creation of radial current map on uniform grids, merging of multiple radial current maps, determination of the actual field of view and the significant range of radial current detection by OSMAR2000, and local interpolation of radial current to fill the current gaps. The field verification test shows the postprocessing in this paper is effective.

关 键 词：高频地波雷达 海洋表面流 多重信号分类法 后处理 OSMAR2000 海洋表面径向流动 径向流图 

分 类 号：TN959.72[电子电信—信号与信息处理] TN957.51[电子电信—信息与通信工程]