On spectral noncircularity of natural signals

SAM, pp. 1-5, 2016.

Cited by: 4|Bibtex|Views19
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Abstract:

Natural signals are typically nonstationary. The complex-valued frequency spectra of nonstationary signals do not have zero spectral correlation, as is assumed for wide-sense stationary processes. Instead, these spectra have non-zero second-order noncircular statistics-that is, they are not rotationally invariant-that are potentially usef...More

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