An improved algorithm for phase-resolved sea surface reconstruction from X-band marine radar images

被引：10
|
作者：
Zinchenko, Victoria [1 ]
Vasilyev, Leonid [1 ]
Halstensen, Svein Olav [1 ]
Liu, Yuming [2 ]
机构：
[1] NORCE Norwegian Res Ctr, Sorhauggata 128, N-5527 Haugesund, Norway
[2] MIT, Dept Mech Engn, Cambridge, MA 02139 USA
来源：
JOURNAL OF OCEAN ENGINEERING AND MARINE ENERGY | 2021年 / 7卷 / 01期
关键词：
X-band marine radar; Radar images; Phase-resolved wave reconstruction; Irregular ocean waves;
D O I：
10.1007/s40722-021-00189-9
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
We present a modified methodology for phase-resolved surface wave reconstruction from incoherent X-band marine radar images. The method is based on the linear wave theory and uses the linear dispersion relation to extract the valuable signals associated with gravity waves. A parameter optimization of the proposed modification is performed based on simulated synthetic radar images. The quantitative comparisons in the accuracy of the standard and modified reconstruction methods are made for both simulated and real radar images. The correlation coefficient between reconstructed and true wave elevations is improved up to 0.9-0.92 for the present modified method from 0.69 to 0.74 for the standard method for the simulated sea surfaces. The wave spectra reconstructed from the real X-band radar measurements are in good agreement with those obtained from the independent point measurement by Miros RangeFinder for both unimodal and bimodal seas.
引用
收藏
页码：97 / 114
页数：18
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