leptokurtosis meaning in Chinese

尖峰态
频率曲线中间较突起的现象

In the empirical analysis , pp plot or other test methods show that logarithmic return time series of financial assets have leptokurtosis and heteroskedasticity
在实证研究中，利用pp图和其它检验方法得到金融资产的对数收益时间序列有高峰厚尾和arch效应。
The normal , srudent ' s t and stable paretian distributions with their characteristics are firstly introduced . research indicates that student ' s t and stable paretain distributions have the characteristics of leptokurtosis
本文首先介绍了正态分布、 t分布、稳定分布及其性质，研究表明t分布和稳定分布有高峰厚尾特征。