多项式混沌本质上是高斯随机过程(Gaussian random process)的多项式表达 [10] 。Xiu 和Karniadakis [11] 将其 推广覆盖至其它类型的随机过程。
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The seismic excitation is modeled as a Gaussian random process and the power spectrum can be taken into account.
用高斯随机过程模拟地震激励，可计及其功率谱特性。
Opti-mal comfort is defined as a minimum root mean square value of a stationary Gaussian random process weighted with respect to human sensitivity.
乘坐舒适性的评价指标为乘坐质量沿铅垂方向的稳态高斯随机振动过程的加速度均方根值，并以人体的频率敏感性作为权因子。
The Doppler blood flow signal is inherently a nonstationary Gaussian random process whose time-frequency representation associates with the time-varying velocity of blood flow and its variations.
多普勒超声血流信号是一个非平稳的高斯随机过程，其时频分布与血流的速度及其变化有密切的关系。
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