Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar

Li Wang; Xiongbin Wu; Ketao Ma; Yun Tian; Yuejun Fei

doi:10.1007/s00343-016-5075-4

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Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar

OriginalPaper | Updated：2023-05-16

- Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar
- Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar
- 海洋湖沼学报（英文） 2016年34卷第5期页码：1114-1121
- Affiliations：
  
  1. School of Electronic Information Faculty of Radio Oceanography Wuhan University
  2. Marine Forecast Center of East China Sea East China Sea Branch State Oceanic Administration
- Author bio：
- Funds：
  
  Supported by the National High Technology Research and Development Program of China (863 Program) (Nos. 2012AA091701, 2012AA091702), the National Natural Science Foundation of China (No. 61401316), the PhD. Programs Foundation of Ministry of Education of China (No. 20130141110053), and the Fundamental Research Fund for the Central Universities of China (No. 2014212020203)
- DOI：10.1007/s00343-016-5075-4
  中图分类号：
- 网络首发：2016-01-28，
  
  纸质出版：2016
- Accepted：
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Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar[J]. 海洋湖沼学报（英文）, 2016,34(5):1114-1121.

Wang, L., Wu, X., Ma, K. et al. Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar., Chin. J. Ocean. Limnol. 34, 1114–1121 (2016). https://doi.org/10.1007/s00343-016-5075-4
Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar[J]. 海洋湖沼学报（英文）, 2016,34(5):1114-1121. DOI： 10.1007/s00343-016-5075-4.

Wang, L., Wu, X., Ma, K. et al. Elimination of the impact of vessels on ocean wave height inversion with X-band wave monitoring radar., Chin. J. Ocean. Limnol. 34, 1114–1121 (2016). https://doi.org/10.1007/s00343-016-5075-4 DOI：

摘要

Abstract

Directional wave spectra and integrated wave parameters can be derived from X-band radar sea surface images. A vessel on the sea surface has a significant influence on wave parameter inversions that can be seen as intensive backscatter speckles in X-band wave monitoring radar sea surface images. A novel algorithm to eliminate the interference of vessels in ocean wave height inversions from X-band wave monitoring radar is proposed. This algorithm is based on the characteristics of the interference. The principal components (PCs) of a sea surface image sequence are extracted using empirical orthogonal function (EOF) analysis. The standard deviation of the PCs is then used to identify vessel interference within the image sequence. To mitigate the interference

a suppression method based on a frequency domain geometric model is applied. The algorithm framework has been applied to OSMAR-X

a wave monitoring system developed by Wuhan University

based on nautical X-band radar. Several sea surface images captured on vessels by OSMAR-X are processed using the method proposed in this paper. Inversion schemes are validated by comparisons with data from in situ wave buoys. The root-mean-square error between the significant wave heights (SWH) retrieved from original interference radar images and those measured by the buoy is reduced by 0.25 m. The determinations of surface gravity wave parameters

in particular SWH

confirm the applicability of the proposed method.

关键词

Keywords

references

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