Fundamentals of an Optimal Multirate Subband Coding of Cyclostationary Signals

Fundamentals of an Optimal Multirate Subband Coding of Cyclostationary Signals

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A consistent theory of optimal subband coding of zero mean wide-sense cyclostationary signals, Brushes with N-periodic statistics, is presented in this article.An M-channel orthonormal uniform filter bank, employing N-periodic analysis and synthesis filters, is used while an average variance condition is applied to evaluate the output distortion.In three lemmas and final theorem, the necessity of decorrelation of blocked subband signals and requirement of specific ordering Flower Girl Dress of power spectral densities are proven.