ZHANG Zijing and YANG Yun, “Efficient Design Method for Modified DFT Modulated Filter Banks with Perfect Reconstruction,” Chinese Journal of Electronics, vol. 18, no. 3, pp. 555-558, 2009,
Citation:
ZHANG Zijing and YANG Yun, “Efficient Design Method for Modified DFT Modulated Filter Banks with Perfect Reconstruction,” Chinese Journal of Electronics, vol. 18, no. 3, pp. 555-558, 2009,
ZHANG Zijing and YANG Yun, “Efficient Design Method for Modified DFT Modulated Filter Banks with Perfect Reconstruction,” Chinese Journal of Electronics, vol. 18, no. 3, pp. 555-558, 2009,
Citation:
ZHANG Zijing and YANG Yun, “Efficient Design Method for Modified DFT Modulated Filter Banks with Perfect Reconstruction,” Chinese Journal of Electronics, vol. 18, no. 3, pp. 555-558, 2009,
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.