Distortion and Crosstalk of Linearly Filtered, Angle-Modulated Signals.

Edward Bedrosian, Susan Rice

Expert InsightsPublished 1967

In this analysis, an angle-modulated signal having an arbitrary phase function is applied to a general linear filter, and the phase of the output is expanded in a series having the linearly filtered input as the leading term. The expansion is then specialized to the case of a narrowband signal applied to a narrow, symmetrical, bandpass filter. A spectral analysis is performed that provides the leading terms in the output spectrum. The formulas are used to calculate the distortion and crosstalk produced when an FM signal, having a flat baseband spectrum, is passed through a single-pole filter--an example of current interest because such a filter has been used in the forward path of a feedback FM receiver used for satellite communication. A number of cases are considered, and the results of the computations are plotted. 52 pp. Ref.

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  • Copyright: RAND Corporation
  • Availability: Web Only
  • Year: 1967
  • Document Number: P-3502

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Bedrosian, Edward and Susan Rice, Distortion and Crosstalk of Linearly Filtered, Angle-Modulated Signals. Santa Monica, CA: RAND Corporation, 1967. https://www.rand.org/pubs/papers/P3502.html.
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