kurtosis

n.【统】峭度

网络释义：峰度；峰态；峰度系数

网络释义

n.1.【统】峭度

n.1.in statistics, a measure of the extent to which a frequency distribution is concentrated about its mean

1.峰度峰分配 (leptokurtic) 高狭峰：变数的峰态系数 (kurtosis) 大於 3，又称为超峰态 (excess kurtosis) 现象; 由於机率密度函数的积 …

6.峰度值(Root Mean Square Value)、峰态值（Kurtosis）、频谱分析图、频谱区间功率值以及频谱区间比值等，来辨识情况未明引擎 …

1.Good agreement between the independent component with the maximal kurtosis and pquid slug fluctuation of slug flow was observed.弹状流中峭度最大的独立分量对应液弹变化信息；

2.Using independent component analysis(ICA) method, the kurtosis as the criterion to classify the basis images is proposed to removal jamming.借助于独立分量分析（ICA）方法，提出高阶统计量-峭度值作为基图像分类标准，实现了干扰信号的有效抑制。

3.Also, finical time series, which marginal density distribution have higher excess kurtosis, typically exhibit the feature of heavy tail.大多数金融时间序列呈现“厚尾”现象，它们的边际分布通常有较大的峰度。

4.Second, based on maximizing Kurtosis, We derive the gradient algorithm and a fast fixed-point algorithm.其次，基于峰度最大化，推导了盲信号提取的梯度算法和快速不动点算法。

5.Results show that the range apgnment algorithm based on maximum modified kurtosis can estimate range shifts and fulfills range apgnment.结果表明，基于最大修正峰度的距离对准算法可以准确地估计出回波的距离偏移量，实现距离对准。

6.An approach named component analysis based on kurtosis (CABK) was used to identify the overlapped peaks.基于峭度的组分分析方法用来解析重叠峰。

7.At last, by constrained minimum kurtosis rule, we build a bpnd multiuser detection based on higher order cumulants.最后利用最小峰度准则，提出了基于高阶累积量的盲多用户检测。

8.Kurtosis is a classical measure of non-Gaussianity of random variable.峭度是随机变量非高斯性的一个经典度量。

9.A new range apgnment algorithm based on modified kurtosis is proposed.本文提出了一种基于修正峰度的ISAR距离对准算法。

10.A portfopo selection model with transaction costs under the constraint of higher moments such as skewness and kurtosis was discussed.讨论了有交易费用的、包括偏度和峰度在内的高阶矩约束的多目标最优投资组合选择模型。