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 505
Time conds (b) Locally Generated Oscillations al PeceivmgStation - Freqaenci^ C … Time conds {c) Resultant Having Beat Frec^aencu (f.-Q PRINCIPLE or BERT RECEPTION Fig. 284. ix—ti times per second. The value of the resultant at any in-stant is obtained by adding together the values at that instantof the oscillations from the two sources. When these two BEAT RECEPTION. 503…
Telegraph, Wireless · Radio
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