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海浪波面的信息熵与海浪的谱宽度参量
吴克俭1, 孙孚2
1.青岛海洋大学物理海洋研究所 青岛 266003;2.青岛海洋大学物理海洋实验室 青岛 266003
摘要:
将信息熵（Information Entropy）引入到海浪波面的研究。通过谱的参量化，建立了谱宽度参量P，R，ε2，v2与它们对应的信息熵之间的关系；这些谱宽度参量，皆可引入到波面与波高的分布函数之中，并指出谱宽度参量具有熵的含义。给出了海浪波面熵的一种合理表示。
关键词:  熵  信息熵  谱宽度参量
DOI：
分类号:
基金项目:国家自然科学基金资助项目，49276248号
INFORMATION ENTROPY OF WAVE SURFACE DISPLACEMENT AND PARAMETERS OF SPECTRUM WIDTH
Wu Kejian1, Sun Fu2
1.Institute of Physical Oceanogoraphy, Ocean University of Qingdao, Qingdao 266003;2.Laboratory of Physical Oceanogoraphy, Ocean University of Qingdao， Qingdao 266003
Abstract:
Information entropy is introduced into studies of wave surface displacement. Through parameterized frequency spectra, the relationships between parameters P, R, ε2, v2 of spectrum width and the corresponding information entropy are established. The results showed that entropy can be introduced into the probability distributions of surface displacement and wave height, and parameters of spectrum width have entropy meanings. Considering the fact that spectrum width parameter characterizes the waves states, the corresponding entropy also describes different stage of waves.
Key words:  Entropy, Information entropy, Spectrum width parameter
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