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5 September 2006 Local stationarity and time-frequency distributions
Lorenzo Galleani, Leon Cohen, Bruce Suter
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Proceedings Volume 6313, Advanced Signal Processing Algorithms, Architectures, and Implementations XVI; 63130Z (2006) https://doi.org/10.1117/12.684027
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States
Abstract
We use time-frequency distributions to define local stationarity of a random process. We argue that local stationarity is achieved when the Wigner spectrum is approximately factorable. We show that when that is the case the autocorrelation function is the one considered by Silverman in 1957. Other time-frequency representations are also considered.
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Lorenzo Galleani, Leon Cohen, and Bruce Suter "Local stationarity and time-frequency distributions", Proc. SPIE 6313, Advanced Signal Processing Algorithms, Architectures, and Implementations XVI, 63130Z (5 September 2006); https://doi.org/10.1117/12.684027
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Cited by 5 scholarly publications.
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KEYWORDS
Time-frequency analysis
Signal processing
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