英语释义

1. the peakedness or flatness of the graph of a frequency distribution especially with respect to the concentration of values near the mean as compared with the normal distribution

片语

kurtosis index峭度指标

leptokurtosis峰态，峭度

kurtosis excess峰态超越

Kurtosis technic峰面积法

kurtosis driven峭度激励

mean kurtosis平均峰度

Spectrum Kurtosis谱峭度

kurtosis test峰度检验

Sample Kurtosis样本峰度

Kurtosis Criteria峰度準则

英汉例句

• This paper puts forward an algorithm based on joint maximization of kurtosis and autocorrelation, and applies it to the separation of fetal electrocardiogram.

  本文提出了一种基于峭度和自相关函数联合最大化的算法，并将此算法应用于胎儿心电的分离研究。

• 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準，实现了干扰信号的有效抑制。

• Based on maximum kurtosis criteria, a new blind identification and equalization algorithm is designed for linear system.

  根据最大峰度準则设计了一种针对线性系统的盲辨识与盲均衡算法。

• Thus the fire electricity units of greater capacity are demanded to participate in the kurtosis modulation running.

  这就要求大容量火电机组要参与调峰运行。

• In the security market, return-loss distribution exist the severe phenomenon of excess kurtosis and heavy tail;

  证券市场上收益率分布存在严重的偏峰厚尾现象；

• This paper presents a new method for rolling bearings fault diagnosis using the combination of spectral kurtosis (SK) algorithms and adaptive genetic algorithm (AGA).

  结合谱峭度法和自适应遗传算法，提出滚动轴承故障诊断的一种新方法。

• The correlation between the skewness and the kurtosis of the sea surface elevation is also discussed.

  文中还讨论了波面偏度和峰度的相关关系。

• The position of knee point of Phase-frequency characteristic mean value curve is invariant, but the kurtosis of the curve near the knee point decreases.

  刚度与质量参数随机时相频特性均值曲线的拐点位置不变，只是拐点附近曲线陡峭度减小。

• The analysis can generate descriptive statistics, such as: the mean, variance, standard deviation, range, kurtosis and skewness.

  该分析可以生成描述性统计，如：均值，方差，标準差，范围，峰度和偏度。

• Jointed the constant module (CM) character of digital modulated signal, the CM generalized kurtosis algorithm is deduced.

  并结合调制信号的恒模特性，提出了基于广义峭度的恒模盲信号提取算法。

• I also discuss the potential effect of time-varying skewness and kurtosis on the performance of the model.

  我也探讨了随时间变化的偏态系数与峰态系数对此模型表现之潜在的影响。

• At last, by constrained minimum kurtosis rule, we build a blind multiuser detection based on higher order cumulants.

  最后利用最小峰度準则，提出了基于高阶累积量的盲多用户检测。

• This paper proposes a new algorithm of video watermarking based on kurtosis and DCT.

  提出一种基于峰度的视频水印新算法。

• A portfolio 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。

• First, we introduce systematic skewness and systematic kurtosis into traditional CAPM, making it to be an even generalized model containing higher-moment.

  在传统的CAPM模型中引入系统偏度、系统峰度等高阶矩，发展和推广CAPM模型，使之成为一个包含有较高阶矩的更一般化的模型。

• Then peak index, kurtosis index, impulsion index and tolerance index of the vibration signal are calculated. These parameters represent the characteristic of failures.

  随后计算出代表故障特征的振动信号的峰值指标、峭度指标、脉沖指标和裕度指标等参数。

• The sorting of the aeolian sand soil in the middle and southern desert is medium and better and the skewness is near symmetrical and the kurtosis is leptokurtic.

  中部、南部风沙土分选性中等和较好，呈窄峰态和近对称的分布形式。

• My results show that there are significantly volatility, excess kurtosis and heteroskedasticity, persistence and asymmetric effect in Chinese Stock Market.

  实证结果表明：我国股价波动具有尖峰厚尾特征、异方差性特征和波动的持续性和非对称特征；

• Considering the nonlinear and redundant characteristic of the data in real industry process, a nonlinear independent component analysis based on kurtosis is presented.

  针对实际工业过程数据中的非线性和冗余度问题，提出了一种基于峰度的非线性独立元分析方法。

• Particularly, parameters of model can be chosen to match empirically estimated mean, variance, skewness, and kurtosis of the stock return distribution. The model thus has the potential to produce…

  特别地，模型的系数可选择得与股票收益分布的实际估计评均值、方差、挠度和峭度相匹配，因而就可能产生出与实际观测的股票收益分布较为一致的期权价格。