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Volume 12 Issue 1
Jan.  1990
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Cheng Hai, Jiang Xiren, Liu Xiaojian. DESIGN OF POLYPHASE WAVE DIGITAL FILTERS WITH APPROXIMATELY LINEAR PHASE[J]. Journal of Electronics & Information Technology, 1990, 12(1): 14-21.
Citation: Cheng Hai, Jiang Xiren, Liu Xiaojian. DESIGN OF POLYPHASE WAVE DIGITAL FILTERS WITH APPROXIMATELY LINEAR PHASE[J]. Journal of Electronics & Information Technology, 1990, 12(1): 14-21.

DESIGN OF POLYPHASE WAVE DIGITAL FILTERS WITH APPROXIMATELY LINEAR PHASE

  • Received Date: 1988-06-22
  • Rev Recd Date: 1988-12-01
  • Publish Date: 1990-01-19
  • It is well known that 1IR filters require very few computations, comonred with FIR filters, in order to meet stringent magnitude specifications when the phase distortion can be tolerated. An approximately linear phase, however, can be also obtained with the IIR filter by making use of a technique without increasing complexity. Based on a certain number of attenuation zeros in the pass band, a new approach is developed for the design of polyphase wave digital filters with exact magnitude responses and Chebyshev approximation of the desired phase responses. The minimum number of attenuation zeros is estimated, and two examples are given.
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  • R. Ansari, B. Liu, IEEE Trans. on ASSP, ASSP-31(1983)6, 1366-1373.[2]M. Renters, T. Saramki, A Class of Approximaely Linear Phase Digital Filters Compoosed of Alsubfilters, Proc. of IEEE Int. Symp. Circuits and Systems, California, May 1986, pp. 678-861.C. W. Kim, R. Ansari, Approximately Linear Phase IIR Filters Using Allpass Sections, Proe, of IEEE Int. Symp. Circuits and Systems, California, May 1986, pp. 661-664.[3]R. Ansari, B. Liu, IEEE Trans. on ASSP, ASSP-33(1985)1, 90-97[4]W. Drews.[J].Entwurf and Aufbau Digitaler Polyphasenfilterbnke unter Verwendung von Wellendigitalfiltern, Dissertation, Ruhr-University Bochum, West Germany.1986,:-[5]A. Fettweis, Proc. IEEE, 74(1986)2, 270-327.[6]A. Fettweis, IEEE Trans, on CT, CT-19(1972)11, 668-673.[7]A. Fettweis, K. Meerkotter, IEEE Trans. on CAS, CAS-22(1975)3, 239-246; CAS-22(1975)6, 575.[8]H. Cheng.[J].Untersuchungen von Instabilitten in Digitalfiltern, die unter Schleifenbedingungen Cingesetzt Sind, Diplomarbeit, Ruhr-University Bochum, West Germany.1987,:-[9]M. C. Bellanger, G. Bonnerot, M. Coudreuse, IEEE Trans. on ASSP, ASSP-24(1976)4, 109-114.[10]L, R. Rabiner, B. Gold, Theory and Application of Digital Signal Irocessing, Englewood Oliffs NJ: Prentice-Hall, 1975.[11]L. Gazsi, IEEE Trans. CAS, CAS-32(1985)1, 68-88.[12]X. R. Jiang, On Improving Dynamic Range of Wave Digital Lilters, Proc. of ECCTD-87, Paris, Sept.1987, pp. 363-368.[13]H. W, Schssler, J. Weith, On the Design of Becursive Hilbert-Transformaters, Proc. IEEE, ICASSP 87(TEXAS), pp. 876-879,[14]K. P. Estola, T. Saramki, High Performance FIR Filters without Multipliers for ECG Signal Processing, Proc. of IEEE Int. Symp, Circuits and Systems, Montreal, Canada, May 1984, pp. 1462-1465.
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