A correlation method for estimating wave‐number spectrum moments of fluctuations
作者:
Naofumi Iwama,
Takashige Tsukishima,
期刊:
Applied Physics Letters
(AIP Available online 1977)
卷期:
Volume 31,
issue 11
页码: 783-785
ISSN:0003-6951
年代: 1977
DOI:10.1063/1.89547
出版商: AIP
数据来源: AIP
摘要:
The covariance function of a stationary and homogeneous random field, represented by an analytic signal, is related to its wave‐number spectrum moments. By using a pair of fixed probes with an appropriately small separation, one can estimate the mean wave number and the wave‐number spectral spread. This method may be useful for the experimental study of fluctuation phenomena in plasmas, fluids, etc.
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