A NEW QUADRATURE SAMPLING APPROACH FOR ARBITRARY BANDPASS SIGNAL WITHIN BASEBAND SAMPLING RATE

Lin Yunsong; Huang Yong; Xiao Xianci

Volume 21 Issue 3

May 1999

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Article Navigation > Journal of Electronics & Information Technology > 1999 > 21(3): 296-301

Lin Yunsong, Huang Yong, Xiao Xianci . A NEW QUADRATURE SAMPLING APPROACH FOR ARBITRARY BANDPASS SIGNAL WITHIN BASEBAND SAMPLING RATE[J]. Journal of Electronics & Information Technology, 1999, 21(3): 296-301.

Citation:

Lin Yunsong, Huang Yong, Xiao Xianci . A NEW QUADRATURE SAMPLING APPROACH FOR ARBITRARY BANDPASS SIGNAL WITHIN BASEBAND SAMPLING RATE[J]. Journal of Electronics & Information Technology, 1999, 21(3): 296-301.

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A NEW QUADRATURE SAMPLING APPROACH FOR ARBITRARY BANDPASS SIGNAL WITHIN BASEBAND SAMPLING RATE

Received Date: 1997-10-24
Rev Recd Date: 1998-07-22
Publish Date: 1999-05-19

Abstract

Abstract

A new quadrature sampling technique for arbitrary bandpass signal within baseband sampling rate is presented. The input bandpass signal whose carrier frequency lies in the A/D baseband sampling rate is first decimated by factor 2 and modulated by (-1)n, and then is interpolated by a linear phase FIR all-pass filter, finally the modulated complex envelope of bandpass signal can be produced.

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References(1)

References

Rice D W, Wu K H. Bandpass signal sampling and coherent detection. IEEE Trans. on AES, 1982, AES-18(4):731-739.[2]Rader C M. A supple method for sampling in-phase and quadrature component. IEEE Trans. on AES, 1984, AES-20(6): 821-824.[3]Liu H L, Ghafoor A, et al. A new quadrature sampling and processing approach. IEEE Trans. on AES, 1989, AES-25(5): 733-747.[4] Pellon L E. A double Nyquist digital product detector for quadrature sampling. IEEE Trans. on Signal Processing, 1992, SP-40(7): 1670-1681.[4]Pyfer M F, Ansari R. The design and application of optimal FIR fractional phase filters. Proc .of ICASSP, Dallas, Texas, USA. 1987: 896-899.

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