On the Spectral Density of Stationary Processes and Random Fields

On the Spectral Density of Stationary Processes and Random Fields
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关于平稳过程和随机场的谱密度

DOI:
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
M. Peligrad
M. Peligrad
中科院分区:
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文献类型:
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作者:
M. Lifshits;M. Lifshits;M. Peligrad

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本文证明了对平稳序列(满足弱正则性条件)的移位应用固定的确定性函数得到的平稳序列具有谱密度。在多参数设置中,我们得到了类似的结果,一个移动的i.i.d.的函数。领域
In this note, we show that a stationary sequence obtained by applying a fixed deterministic function to shifts of a stationary sequence (satisfying a mild regularity condition) has a spectral density. In the multiparametric setting, we obtain a similar result for a function of a shifted i.i.d. field.