| 基于广义极值分布的设计波高推算 |
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| 引用本文： | 陈子燊,刘曾美,路剑飞,于吉涛.基于广义极值分布的设计波高推算[J].热带海洋学报,2011(3). |
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| 作者姓名： | 陈子燊 刘曾美 路剑飞 于吉涛 |
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| 作者单位： | 中山大学水资源与环境系;华南理工大学水利水电工程系; |
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| 基金项目： | 国家自然科学基金项目(40576041) |
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| 摘 要： | 简介了广义极值分布函数及其3种参数估计方法,包括极大似然(ML)、线性矩(LM)和间隔最大积(MPS)估计的计算方法。使用广义极值分布函数推算了北部湾涠洲岛海域3个波向的年波高极值序列设计波高,并与Weibull分布、Gumbel分布和皮尔逊Ⅲ型分布的推算结果加以对比。分析表明,涠洲岛海域极值波高服从于广义极值Ⅲ型分布,拟合优度检验结果表明广义极值分布能更好地拟合极值波高;MPS方法是一种优良的参数估计法,推算的设计波高可作为海岸环境工程设计的首要参考值。
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| 关 键 词： | 广义极值分布 参数估计 设计波高 拟合优度检验 间隔最大积估计 |
Calculation of design wave heights based on generalized extreme value distribution |
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| CHEN Zi-shen,LIU Zeng-mei,LU Jian-fei,YU Ji-tao.Calculation of design wave heights based on generalized extreme value distribution[J].Journal of Tropical Oceanography,2011(3). |
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| Authors: | CHEN Zi-shen LIU Zeng-mei LU Jian-fei YU Ji-tao |
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| Institution: | CHEN Zi-shen1,LIU Zeng-mei2,LU Jian-fei1,YU Ji-tao1 1.Department of Water Resource and Environment,Sun Yet-sun University,Guangzhou 510275,China,2.Department of Water Conservancy and Hydropower Engineering,South China University of Technology,Guangzhou 510640 |
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| Abstract: | Three parameter estimation methods on generalized extreme value distribution function were briefly introduced in the paper,which included the maximum-likelihood estimation(ML),the linear moment estimation(LM) and the maximum product of spacing estimation(MPS).The design wave heights based on the generalized extreme value distribution function are calculated by using largest annual wave heights of three wave directions measured in the sea waters near Weizhou Island of Beibu Gulf.And then the results were com... |
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| Keywords: | generalized extreme value distribution parameter estimation design wave height goodness fit test maximum product of spacing estimation |
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