The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 516
shownin Fig. 286, in which the amplitude of the audio-frequency waveis not sufficient to cause complete modulation. It is, however,usually desirable that so far as possible adjustments should bemade so that for speech of moderate intensity the amplitude ofthe radio-frequency oscillations should be…
Telegraph, Wireless · Radio
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