Reduction of random variables in the Stochastic Harmonic Function representation via spectrum-relative dependent random frequencies
Reduction of random variables in the Stochastic Harmonic Function representation via spectrum-relative dependent random frequencies
复制标题
通过频谱相关的相关随机频率减少随机调和函数表示中的随机变量
DOI:
10.1016/j.ymssp.2020.106718
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发表时间:
2020-07
影响因子:
8.4
通讯作者:
Li Jie
中科院分区:
文献类型:
--
作者:
Chen Jianbing;Comerford Liam;Peng Yongbo;Beer Michael;Li Jie
Two significant developments pertaining to the application of the Stochastic Harmonic Function representation of stochastic processes are presented. Together, they allow for Gaussian records to be simulated within the bounds of the representation with the fewest number of random variables. Specifically, independent random frequencies that form a staple component of the Stochastic Harmonic Function are replaced by dependent random frequencies, along with a specific scheme for choosing frequency interval widths. Numerical examples demonstrating spectrum reconstruction accuracy and estimated PDF convergence to the Gaussian are presented to support the work.
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