ZHANG Zijing, YANG Yun. Efficient Design Method for Modified DFT Modulated Filter Banks with Perfect Reconstruction[J]. Chinese Journal of Electronics, 2009, 18(3): 555-558.
Citation: ZHANG Zijing, YANG Yun. Efficient Design Method for Modified DFT Modulated Filter Banks with Perfect Reconstruction[J]. Chinese Journal of Electronics, 2009, 18(3): 555-558.

Efficient Design Method for Modified DFT Modulated Filter Banks with Perfect Reconstruction

  • Received Date: 2008-09-01
  • Rev Recd Date: 2008-12-01
  • Publish Date: 2009-08-25
  • This paper presents an efficient iterativeLagrange multiplier approach to the design of Modified discreteFourier transform (MDFT) filter banks with perfect reconstruction. Thedesign is formulated as a quadratic constrained least squaresminimization problem, in which the constraint is reformulated as alinear form at each iteration. This approach is computationallyefficient and particularly suitable for designing MDFT filter bankswith a large number of channels. A MDFT filter bank with 1024 channelsis designed to demonstrate the efficiency of the new method.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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