Electrical measuring circuit
作者： William E Leavitt
DOI:
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摘要:
lens.org 参考文章(6)
Koechlin Renaud, System for measuring frequency deviations ,(1943)
Pensyl Mary P, Mozley Robert F, Phase control apparatus ,(1944)
Howard A Tooker, Lyle H Schwartz, Frequency comparison recorder ,(1942)
Herz Friedrich, Time interval measuring means ,(1938)
Hammans Reginald Harry, Gouriet Geoffrey George, Apparatus for comparing frequencies of electric oscillations ,(1947)
Thomas E Lynch, Frequency change indicator ,(1947)