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A class of M-channel reduced complexity IIR cosine modulated filter banks
, K. M.Muraleedhara Prabhu
Published in
2003
Volume: 2
   
Pages: 1040 - 1044
Abstract
We describe a class of reduced complexity IIR cosine modulated filter banks satisfying the Perfect Reconstruction property. They are shown to be easy to implement, in terms of the number of filters, both on the analysis and on the synthesis sides. We provide closed-form expressions for the polyphase components of the synthesis prototype in terms of those of the analysis prototype. We also derive an expression for the frame ratio for this class of filter banks.
About the journal
JournalIEEE Region 10 Annual International Conference, Proceedings/TENCON
Open AccessNo
Concepts (11)
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    Bandpass amplifiers
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    Computational complexity
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    Cosine transforms
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    Mathematical models
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    Matrix algebra
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    Modulation
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    Software prototyping
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    CHANNEL REDUCED COMPLEXITY
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    COSINE MODULATED FILTER BANK (SMFB)
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    FILTER BANKS (FB)
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    ELECTRIC FILTERS