Application of Polar-Current-Shell-Based Algorithm for Surface Current Extraction From Shipborne X-band Nautical Radar Images

被引：0
|
作者：
Shen, Chengxi [1 ]
Huang, Weimin [1 ]
Gill, Eric W. [1 ]
机构：
[1] Mem Univ Newfoundland, Fac Engn & Appl Sci, St John, NF A1B 3X5, Canada
来源：
2015 IEEE/OES 11TH CURRENT, WAVES AND TURBULENCE MEASUREMENT (CWTM) | 2015年
关键词：
SEA-SURFACE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the application of the polar-current-shell-based current inversion algorithm to shipborne X-band nautical radar images is presented. After the 3-D image spectrum is generated by a 3D-FFT of the radar image sequence, the extracted dispersion shell is converted to a polar form - the "polar current shell" - from which the current velocity of encounter is determined by incorporating a robust sinusoidal curve fitting. The algorithm is applied to shipborne radar data that were collected on the east Coast of Canada. The results are compared with those obtained by a WaMos system and agreement between the two indicates the validity of the proposed algorithm.
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页数：4
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