矩分零点矩和中心矩,是指变量在不同的阶数距离零点和中心的距离。如E(y)就是y的一阶零点矩,E(y2)就是y的二阶零点矩。3次方以上就属于高阶矩了。
... higher mathematics teaching 高等数学教学 higher moments 高阶矩 higher order 高阶 ...
基于10个网页-相关网页
... 惠特曼式的风格 whitman ' s style 高阶矩 moment bounds 微创手术 micro-invasive surgery ...
基于6个网页-相关网页
Use moment of wavelet method in study the scattering of electromagnetic wave from rough surface, analysis some sorts of periodic rough surface and random surface, then, discuss the character of high order moment.5.
4.用小波矩量法研究了粗糙面电磁散射问题,对各种周期粗糙面和随机粗糙面进行了分析,并讨论了高阶矩特性。
参考来源 - 混沌、分形及小波分析的若干应用·2,447,543篇论文数据,部分数据来源于NoteExpress
利用基带数据的高阶矩特性,可以获得渐近无偏估计。
An unbiased estimator can be acquired through high order moments of received data.
随机变数高阶矩的计算一般来说是困难的,因此估值显得很重要。
It is difficult to calculate the higher order moment of the random variables in a general way, therefore it appears very important to attain its evaluation.
时变CAPM模型较高阶矩CAPM模型,具有更高的预测精度。
Conditional CAPM has a higher forecasting precision than higher-moment CAPM.
应用推荐