Fundamentals of an Optimal Multirate Subband Coding of Cyclostationary Signals

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00_02_05_09.pdf(1.4 MB)
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2000-06
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
A consistent theory of optimal subband coding of zero mean wide-sense cyclostationary signals, 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 of power spectral densities are proven.
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Keywords
coding gain, decimation, filter bank, polyphase representation, power spectral density matrix, multirate system, decorrelationsubbabd coding
Citation
Radioengineering. 2000, vol. 9, č. 2, s. 5-9. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2000/00_02_05_09.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
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http://hdl.handle.net/11012/58226
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2000/2
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