Retrieval of wave information using nautical radar images based on the 2D CWT and 1D FFT algorithm

被引：0
|
作者：
Ju, Feng-zhou [1 ]
Chu, Xiao-liang [1 ,2 ]
Wang, Jian [1 ]
Gu, Yan-zhen [1 ]
机构：
[1] OUC, Coll Informat Sci & Engn, Qingdao 266100, Shandong, Peoples R China
[2] State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China
来源：
PROCEEDINGS OF THE 2015 INTERNATIONAL CONFERENCE ON AUTOMATION, MECHANICAL CONTROL AND COMPUTATIONAL ENGINEERING | 2015年 / 124卷
关键词：
Wavelet; 2-D CWT; FFT; Radar image; Wave spectrum; Scaling; SURFACE;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
It is a useful way to gain ocean wave information using X-band nautical radar images. In this paper, an algorithm of 2-D CWT in spatial domain and 1-D FFT in time domain is presented for extracting the wave information. Firstly, the basic theory of 2-D continuous wavelet transform for space domain and its application for wave field analysis is introduced. Then, a scheme of analysis of the radar image sequence with this algorithm is given. By implementing this algorithm, the ocean wave spectrum and mean wave direction are extracted from the X-band radar images and compared with the in-situ data.
引用
收藏
页码：1379 / 1383
页数：5
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