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Theory and design of uniform DFT, parallel, quadrature mirror filter banks
1986
IEEE Transactions on Circuits and Systems
In this paper, the theory of uniform DFI, parallel, quadrature mirror filter (QMF) banks is developed. The QMF equations, i.e., equations that need to be satisfied for exact reconstruction of the input signal, are derived. The concept of decimated filters is introduced, and structures for both analysis and synthesis banks are derived using this concept. The QMF equations, as well as closed-form expressions for the synthesis filters needed for exact reconstruction of the input signal x(n), are
doi:10.1109/tcs.1986.1085876
fatcat:rqxpsvzamjbbbcjjsg2gm2ttpi