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

页码：1379 / 1383

页数：5

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