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一种估算调频信号瞬时频率的有效方法 被引量:2

An Effective Method of Evaluating the FM Signal Instantaneous Frequency
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摘要 本文提出了通过相位拟合的方法来实现调频信号瞬时频率的估计,对推算原理进行了详细的描述,在计算公式上采用了向量、矩阵的运算形式,为了说明该方法的有效性,针对多种情况进行了仿真试验,取得了理想效果。 It puts forward to realize the estimate of the modulation signal frequency by the method of mutually approach,and aim at various circumstances proceeded to imitate the true experimenting,obtaining the ideal result.
出处 《国外电子测量技术》 2005年第5期12-16,共5页 Foreign Electronic Measurement Technology
关键词 瞬时频率 调频信号 有效方法 估算 计算公式 仿真试验 Signal processing, time-frequeny analysis, frequency modulation signal, instantaneous frequency, frequency estimation
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参考文献9

  • 1Boashash B.Interpreting and estimating the instantane ous frequency of signal:Part I, Fundamentals. Proc. of IEEE, 1992, 80(4):520-538.
  • 2Boashash B.Interpreting and estimating the instantaneous frequency of signal:Part II, Algorithms. Proc. Of IEEE, 1992, 80(4):540-568.
  • 3Ristic B, Boashash B. Instantaneous frequency estimation of quadratic and cubic FM signals using the cross polynomial Wing-Ville distribution. IEEE Trans. on Signal Processing, 1996,SP-44(6): 1549-1553.
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  • 9张海勇.瞬时频率的一种估计方法[J].系统工程与电子技术,2002,24(9):5-6. 被引量:7

二级参考文献5

  • 1Boashash B. Estimating and Interpreting the Instantaneous Frequency of a Signal-Part I: Fundamentals[J]. Proc. of IEEE, 1992, 80: 520-538.
  • 2Cohen L. Time-Frequency Analysis[M]. Prentice-Hall, Englewood Cliffs, NJ, 1995.
  • 3Melville W K. Wave Modulation and Breakdown[J]. J. Fluid Mech., 1983, 128: 489-506.
  • 4Huang N E, Shen Z, Long S R, et al. The Empirical Mode Decomposition and the Hilbert Spectrum for Nonlinear and Non-Stationary Time Series Analysis[J]. Proc. Roy. Soc., London, A, 1998, 454: 903-995.
  • 5Yu B, Ma X J. A New Method for the Analysis of Non-Stationary Nonlinear Vibration Signal and Its Use in Machine Fault Diagnosts [C]. Proc. of International Conference on Vibration Engineering, 1998: 668-671.

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