ratio discriminator
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Foster-Seeley discriminator — The Foster Seeley discriminator [D.E. Foster and S.W. Seeley, Automatic tuning, simplified circuits, and design practice, Proceedings of the Institute of Radio Engineers , vol. 25, no. 3, part 1, pages 289 313 (March 1937).] [U.S. patent… … Wikipedia
Detector (radio) — Passband modulation v · d · e Analog modulation AM · … Wikipedia
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Demodulation — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Preemphasis improvement — In FM broadcasting, preemphasis improvement is the improvement in the signal to noise ratio of the high frequency portion of the baseband, i.e., modulating, signal, which improvement results from passing the modulating signal through a… … Wikipedia
Ronald Fisher — R. A. Fisher Born 17 February 1890(1890 02 17) East Finchley, London … Wikipedia
Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… … Wikipedia