Application of Maximum Entropy Distribution to the Statistical Properties of Wave Groups  

作　　者：于定勇 李晶 刘华兴 

机构地区：[1]College of Engineering,Ocean University of China

出　　处：《China Ocean Engineering》2007年第3期461-470,共10页中国海洋工程（英文版）

基　　金：This work was financially supported by the National Natural Science Foundation of China (Grant No50479028);the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No20060423009)

摘　　要：The new distributions of the statistics of wave groups based on the maximum entropy principle are presented. The maximum entropy distributions appear to be superior to conventional distributions when applied to a limited amount of information. Its applications to the wave group properties show the effectiveness of the maximum entropy distribution. FFF filtering method is employed to obtain the wave envelope fast and efficiently. Comparisons of both the maximum entropy distribution and the distribution of Longuet-Higgins （1984） with the laboratory wind-wave data show that the former gives a better fit.The new distributions of the statistics of wave groups based on the maximum entropy principle are presented. The maximum entropy distributions appear to be superior to conventional distributions when applied to a limited amount of information. Its applications to the wave group properties show the effectiveness of the maximum entropy distribution. FFF filtering method is employed to obtain the wave envelope fast and efficiently. Comparisons of both the maximum entropy distribution and the distribution of Longuet-Higgins （1984） with the laboratory wind-wave data show that the former gives a better fit.

关 键 词：maximum entropy distribution high run length wave group length probability density function wave envelope 

分 类 号：O353[理学—流体力学]