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Volume 24 Issue 2
Feb.  2002
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Gao Zhicheng, Xiao Xianci . Fractional ratio sampling rate conversion based on polyphase filter architecture[J]. Journal of Electronics & Information Technology, 2002, 24(2): 204-209.
Citation: Gao Zhicheng, Xiao Xianci . Fractional ratio sampling rate conversion based on polyphase filter architecture[J]. Journal of Electronics & Information Technology, 2002, 24(2): 204-209.

Fractional ratio sampling rate conversion based on polyphase filter architecture

  • Received Date: 2000-01-12
  • Rev Recd Date: 2000-11-23
  • Publish Date: 2002-02-19
  • In this under-sampling of pass-band signal, the fractional ratio Sampling Rate Conversion(SRC) is a procedure which requires a lot of computations. The low-order linear interpolating will incur more aliase noise. Based on the polyphase filter architecture and minimum-operation principle, this paper integrates the interpolating, filtering, and decimating operations in the course of SRC, and presents three architectures for efficient conversion. It also compares the operation efficiencies of the three architectures, and finally gives the computer simulation results on a typical signal.
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  • C. Dick, F. Harris, PPGA interpolators using polynomial filter, Proc. ICSPAT, Toronto, Canada,1998, 684-688.[2]R.G. Vaughan, L. S. Neil, D. white, The theory of bandpass sampling, IEEE Trans. on SP, 1991,SP-39(9), 1973-1984.[3]胡广书,数字信号处理-理论算法与实现,北京,清华大学出版社,1997年8月,126-131.[4]A.J. Coulson, R. G. Vaughan, M. A. Poletli, Frequency-shifting using bandpass sampling, IEEE Trans. on SP, 1994, SP-42(6), 1556-1559.
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