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Alternative TitleTheoretic simulation and campaign validation of ocean wave spectrum retrieval from GPS buoy measurements
徐曦煜; 王振占; 叶沛; 许可
Source Publication海洋学报
KeywordGps浮标 随机波面位移 P-m谱 自相关函数 高通滤波
Other AbstractThe purpose of this paper was to investigate the method of retrieving ocean wave spectrum from GPS buoy sea surface height time series. GPS buoy, an innovative instrument on ocean topography measurement, played an important role in in-situ sea level measurements and satellite altimetry calibration during past years. This paper demonstrated the method and procedure of wave spectrum retrieval by simulation experiments. Firstly, the wave surface elevation time series were generated based on the Longuest model, and the statistical characteristics were constrained by the Pierson-Moscowitz wind wave spectrum, and the randomicities were introduced from the wave phase. Along with the simulated tide height and GPS buoy instrument noise time series,the 1 Hz (one point per second) random sea surface time series of 1 hour length were synthesized. Afterward, the simulated wave power spectrum was acquired by the auto-correlation function method, containing high-pass filter and compression. The simulated spectrum was pretty close to the theoretic one,and could fulfill the requirements of ocean wave spectrum retrieval. Finally, the retrieving method presented in this paper was validated by the in-situ GPS buoy campaign in the offshore of Shidao,Shandong Province. The study in this paper solved the key issues of the new technology, enriched the approaches of ocean wave spectrum retrieval, explored the application of GPS buoy, and could be served for China's forthcoming satellite radar wavimeter.
Indexed ByCSCD
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Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Recommended Citation
GB/T 7714
徐曦煜,王振占,叶沛,等. GPS浮标数据反演海浪谱的理论仿真与试验验证[J]. 海洋学报,2014,36(7):34-44.
APA 徐曦煜,王振占,叶沛,&许可.(2014).GPS浮标数据反演海浪谱的理论仿真与试验验证.海洋学报,36(7),34-44.
MLA 徐曦煜,et al."GPS浮标数据反演海浪谱的理论仿真与试验验证".海洋学报 36.7(2014):34-44.
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