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基于信号循环平稳性的多径时延估计 被引量：1

Cyclostationarity Based Multipath Time-Delay Estimation
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摘要 本文提出了一种基于信号循环平稳性的多径时延估计算法:将高分辨的已知信号多径时延估计方法一WRELAX算法,改造应用于观测信号的循环相关输出.一方面通过循环相关实现对噪声和干扰有效抑制,另一方面又使算法具备对多径时延的处理处理.仿真实验结果及分析证实了算法的有效性.
作者 易岷 魏平 肖先赐
出处 《信号处理》 CSCD 2003年第z1期355-358,共4页 Journal of Signal Processing
关键词 循环平稳性 多径时延估计 循环相关
分类号 TN911.7 [电子电信—通信与信息系统]
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参考文献8

  • 1[1]G. C. Carter, "Coherence and time delay estimation"Proceedings of the IEEE, vol. 75, pp.236-255, Feb. 1987
  • 2[2]W. A. Gardner and C. K. Chen, "Signal-selective time-difference-of-arrival estimation for passive location of man-made signal sources in highly corruptive environments, part Ⅰ: theory and method" IEEE Trans. on SP, vol. 40, pp. 1168-1184, May 1992
  • 3[3]W. A. Gardner and C. K. Chen, "Signal-selective time-difference-of-arrival estimation for passive location of man-made signal sources in highly corruptive environments, part Ⅱ: algorithms and performance" IEEE Trans. on SP, vol. 40, pp. 1185-1197, May 1992
  • 4[4]I. P. Kiesteins, "High-resolution time delay estimation"Proc. ICASSP'87, pp. 451-454, Apr. 1987
  • 5[5]T. G. Manickam, R.J. Vaccaro and D. W. Tufts, "A least-square algorithm for multipath time-delay estimation" IEEE Trans. on SP, vol. 42, pp. 3229-3233,Nov. 1994
  • 6[6]J. Li and R. Wu, "An efficient algorithm for time delay estimation" IEEE Trans. on SP, vol. 46, pp. 2231-2235,Aug. 1998
  • 7[7]A.V. Dandawate and G. B. Giannakis, "Statistical tests for presence of cyclostationarity" IEEE Trans. on SP, vol.42, pp. 2355-2369, Sep. 1994
  • 8[8]W. A. Gardner, "Measurement of spectral correlation"IEEE Trans. on ASSP, vol. 34, pp. 1111-1123, 1986

同被引文献12

  • 1Caffery J J Jr,Stuber G L.Overview of Radiolocation in CDMA Cellular Systems[J].IEEE Communication Magazine,1998,36(4):38-45.
  • 2B.M.Bell and T.E.Ewart.Separating multipaths by global optimization of multidimensional matched filter[J].IEEE Trans.Acoust,Speech and Signal Processing,1986,34(5):1029-1037.
  • 3P.Kimteins and A.Quazi.Exact maximum likelihood time delay estimation for deterministic signals[J].In Proeeedings of EURASIP 1988,1988,531-534.
  • 4T.G.Mamckam,R.J.Vaccaro and D.W.Tufts.A leastsquares algorithm for multipath time delay estimation[J].IEEE Trans.Sisnal Processing,1994,42(11):3229-3233.
  • 5M.Feder and E.Weinstein.Parameter estimation of superimposed signals using EM algorithm[J].IEEE Trans.Acoust,Speech,and Signal Processing,1988,36(4):477-489.
  • 6Li and R.Wu.An efficient algorithm for time delay estimation[J].IEEE Trans.Signal Processing,1998,46(8):2231-2235.
  • 7Citing,P.C.,and So,H.C.Two adaptive algorithms for muhipath time delay estimation[J].IEEE Journal of Oceanic Engineering,1994,19(3):458-463.
  • 8H.C.SO.Adaptive Multipath Equalization Time Delay Estimation with Bias-Removal[J].The 2001 IEEE International Symposium on Circuits and Systems,May 2001,Vol.2:105-108.
  • 9WA Gardner and C-K Chen.Signal-selective time-differonce of arrival estimation for passive location of man-made signal source in highly corruptive Environments,part 1:Theory and method[J].IEEE Tran.Signal Processing,May 1992,SP240:1168-1184.
  • 10C-K Chen and WA Gardner.Signal-selective time-differonce of arrival estimation for passive location of man-made signal source in highly corruptive environments,part 2:Algorithm and performance[J].IEEE Tran.Signal Processing,M.dy 1992,SP240:1185-1197.

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信号处理
2003年 第z1期

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