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

提出一种基于峰度的视频水印新算法。This paper proposes a new algorithm of video watermarking based on kurtosis and DCT.

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多航速、多舰船辐射噪声的“峰度”值,分析了舰船辐射噪声特性。We calculate kurtosis of a large scale of shops radiation noises, and analyse the characteristic.

文中还讨论了波面偏度和峰度的相关关系。The correlation between the skewness and the kurtosis of the sea surface elevation is also discussed.

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

该文提出了一种新的适用于任意峰度非高斯信号的多目标盲波束形成算法。A new blind beamforming algorithm for non-Gaussian signals with arbitrary kurtosis is presented in this paper.

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

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相比与正态分布的频率分布曲线的峰度是指顶部的尖锐度。Kurtosis means the acute degree of the top when compared the frequency distribution curve with the normal distribution.

根据最大峰度准则设计了一种针对线性系统的盲辨识与盲均衡算法。Based on maximum kurtosis criteria, a new blind identification and equalization algorithm is designed for linear system.

当两回波和包络的修正峰度达到最大时,以此时的距离偏移量进行补偿,就可将回波对齐。Then, the amount of the range shift between two echoes is searched by using the modified kurtosis as the alignment measure.

当轴承出现故障时,可以发现信号频谱会产生故障峰群这一现象。When the failure of bearing emerges, an interesting phenomenon is discovered that the failure kurtosis occurs in the spectrum.

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。A portfolio selection model with transaction costs under the constraint of higher moments such as skewness and kurtosis was discussed.

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隐含波动偏态可以被风险中立偏态及峰态系数所描述,前者为第一阶效应、后者为第二阶效应。The implied volatility skew can be described by risk-neutral skewness and kurtosis with the former the first-order effect and the later second-order.

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

并且以线性瞬时混合信号为例,实现了对一般信号、声音信号和图像信号以峰度为判别依据的盲分离和抽取。And we take the linear instantaneous mixtures as an example, and put it into realty in general signals, sound signals and image signals based on kurtosis.

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

利用综合评估指数序列的峰度系数和偏度系数对综合评估指数进行了正态性检验。The normality test of the synthetical evaluation index is conducted by using the kurtosis and skewness coefficients of the synthetical evaluating indexes.

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

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。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.

根据小波调制信号的特点,以信号高阶累积量与功率谱峰度为特征参数,采用分步识别的方法对小波调制信号进行了识别。Based on the characteristic of WM signals, a step by step classification method using high order cumulants and kurtosis of power spectrum as features is proposed.