调频信号发生器

frequency-modulated carrier-curr-ent telephony

frequency-modulated cyclotron

frequency-modulated jamming【电子】

frequency-modulated transmitter

frequency-modulated carrier【通信】

frequency-modulated carrier current telephony【通信】

frequency modulation radar【雷达】;frequency-modulated radar【雷达】

frequency-modulated feedback demodulator