求某一重现期的极值公式

求某一重现期的极值公式

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Earth System SubjectEarth Surface SystemAnthroposphere
Geography SubjectHuman GeographyAgricultural Geography

Detailed Description

求某一重现期的极值公式

(1)极大值:

           

式中,为均离系数,为样本的均差和均方差;S为样本数。

(2)极小值:

          

(3)柑桔产量的最大熵谱计算公式:

          

式中,S为频率;i为虚数;为对应于截止阶的预报误差方差;为过滤系数,其递推公式可表达为:

 

 

                         

 

       

(4)最优截止阶K0是使赤池最终预报误差准则(FPE)最小:

         

式中,R(j)为自相关系数。

参考文献:

   乔盛西,马乃孚:长江三峡和清江河谷冬暖成因及其与柑桔生产。地理研究,1986,52

How to cite

《资源环境数学模型手册》 (2018). 求某一重现期的极值公式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/d5ffbb51-02f9-4f7a-b6a2-965fecef0093
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feed back

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