Stabilized automatic frequency control circuit with noise operated squelch
作者： Jean H Clark
DOI:
关键词: Computer science 、 Acoustics 、 Noise 、 Squelch 、 Automatic frequency control
摘要:
lens.org 参考文章(2)
Earp Charles William, Superheterodyne radio receiver having compensating means for frequency drift of the received carrier wave ,(1942)
Rickaby Frederick Ian, Improvements in or relating to automatic frequency control systems ,(1954)