| 基于GPS高频数据的海浪测量方法 |
| |
| 引用本文： | 王俊杰.基于GPS高频数据的海浪测量方法[J].海洋测绘,2015(6):37-40. |
| |
| 作者姓名： | 王俊杰 |
| |
| 作者单位： | 河海大学 卫星及空间信息应用研究所,江苏 南京 210098 |
| |
| 基金项目： | 国家自然科学基金(41274017，40974001) |
| |
| 摘 要： | 研究了基于GPS高频数据进行海浪测量的方法。利用TRACK解算得海上载体高精度的垂向位移,经浪潮分离提取海浪信号,分别采用相关函数法和周期图法估计海浪信号的功率谱,并计算海浪要素。利用实测数据进行试验,结果表明,周期图法推算的平均波高和平均周期精度较高,与测波仪结果差异分别小于2cm和0.25s,基于GPS高频数据的海浪测量方法可有效反演海浪要素。
|
| 关 键 词： | GPS 海浪测量 TRACK 高频 功率谱 相关函数法 周期图法 |
A Wave Measurement Method Based on GPS High-Frequency Data |
| |
| WANG Junjie.A Wave Measurement Method Based on GPS High-Frequency Data[J].Hydrographic Surveying and Charting,2015(6):37-40. |
| |
| Authors: | WANG Junjie |
| |
| Institution: | Institute of Satellite Navigation and Spatial Information System,Hohai University,Nanjing 210098 ,China |
| |
| Abstract: | This paper focus on a wave measurement method based on GPS high-frequency data.Acquiring high-precision vertical displacement of carrier on sea surface via TRACK,then deriving the wave signal from thevertical displacement time series,using correlation function method and periodic diagram methodto estimate thesignal power spectrum respectively,and figuring out the wave elements.Using the measured data for experiment,the results show that the performance of periodic diagram method is better,with the differences of average waveheight and average period within 2.cm and 0.2 5.s compared with the results of the wave gauge,confirming thefeasibility of the method. |
| |
| Keywords: | |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《海洋测绘》浏览原始摘要信息 |
| 点击此处可从《海洋测绘》下载免费的PDF全文 |
|
