基于波面起伏相关性估计海浪波长的新方法  

A New Measuring Method for Wavelength Based on the Correlation of Surface Fluctuation Data

作　　者：魏来[1] 管长龙[1] WEI Lai;GUAN Chang-Long(Ocean University of China,Qingdao 266100,China)

机构地区：[1]中国海洋大学,山东青岛266100

出　　处：《中国海洋大学学报（自然科学版）》2018年第9期1-5,共5页Periodical of Ocean University of China

基　　金：国家自然科学基金项目(41276010)资助~~

摘　　要：提出了一种实验室波长估计的新方法。在实验室中,使用同步测量的多个测波仪采集波面起伏数据,并根据不同测波仪数据的相关性,计算通过两个测波仪的波浪传播速度,并由此计算波浪波长,计算结果与传统的根据频散关系计算波长对比。分析结果表明:这种新的方法比原有的根据频散关系计算波长更为合理。同时,针对该方法分辨率较低的不足,本文提出了一种新的测波仪数据的插值方法。通过分析实验数据表明:这种新的插值方法有效地提高原有方法的波长计算精度。通过测波仪数据相关性及插值方法配合,该方法可以更合理计算海浪波长。A new estimation method for wavelength is proposed in this article.Several wave gauges synchronously work to get surface fluctuation data,then phase speed and wavelength was calculated based on the time dependence of surface fluctuation data from several wave gauges.Compared with wavelength calculated from traditional dispersion method,it is shown that this method is more reasonable.New interpolation technique for wave gauge data is also put forward to improve the resolution of proposed method.Experiment results show that this new interpolation technique can effectively enhance the precision of this method.By using this correlation method together with interpolation technique,it can get a more reasonable result.

关 键 词：海浪 波长估计 波面起伏相关性 频散关系 波浪插值 

分 类 号：P731.22[天文地球—海洋科学]