On the amplitude-and frequency-modulation decomposition of signalsa )

  title={On the amplitude-and frequency-modulation decomposition of signalsa )},
  author={Patrick J. Loughlin and Berkant Tacer},
In general, the problem of determining the amplitude and frequency modulations ~AM and FM! of a signal is ill posed because there is an unlimited number of combinations of AM and FM that will generate a given signal. Although Gabor proposed a method for uniquely defining the AM and FM of a signal, namely via the analytic signal, the results obtained are sometimes physically paradoxical. In this paper, four reasonable physical conditions that the calculated AM and FM of a signal should satisfy… CONTINUE READING
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