Analysis of FM Demodulator Output Noise With Applications to FM Telemetry
AffiliationCalifornia State University
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AbstractThis paper presents analysis for evaluating the probability density function (pdf) of the noise at the output of the frequency demodulator. It is shown that the noise is non-Gaussian and that for low to medium signal-to-noise power ratios, its pdf differs very significantly from the Gaussian pdf commonly assumed in simplified analysis. These results are very important for analyzing the performance of the PCM/FM type of modulation schemes used in telemetry systems as illustrated in the paper.
SponsorsInternational Foundation for Telemetering