On the Spectral Density of Stationary Processes and Random Fields
On the Spectral Density of Stationary Processes and Random Fields
复制标题
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
中科院分区:
文献类型:
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作者:
M. Lifshits;M. Lifshits;M. Peligrad
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.