Analysis of FM demodulator output noise with applications to FM telemetry | Zendy

R. Kumar | Zendy

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Analysis of FM demodulator output noise with applications to FM telemetry

Author(s) -

R. Kumar

Publication year - 2006

Publication title -

journal of applied mathematics and decision sciences

Language(s) - English

Resource type - Journals

eISSN - 1532-7612

pISSN - 1173-9126

DOI - 10.1155/jamds/2006/53649

Subject(s) - demodulation , gaussian noise , frequency modulation , noise (video) , computer science , telemetry , modulation (music) , probability density function , electronic engineering , gaussian , noise power , telecommunications , acoustics , power (physics) , statistics , mathematics , algorithm , physics , bandwidth (computing) , engineering , artificial intelligence , channel (broadcasting) , quantum mechanics , image (mathematics)

We present an 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

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