频率变换: frequency transformation; fr ...键控: keying; manipulation二进制频率变换键控: keying binary frequency shift; keying, binary frequency shift (bfsk)相位变换键控: keying phase shift; keying, phase shift (psk)振幅变换键控: keying amplitude shift; keying, amplitude shift (ask)最小变换键控: keying minimum shift; keying, minimum shift (msk)频率变换: channel rotation; frequency change; frequency conversion; frequency tra lation; frequency transformation; frequency translation; frequency transposition; frogging频率变换,变频: frequency translation频率变换器: frequency transformer; frequency translator正交相位变换键控: keying quadrature phase shift; keying, quadrature phase shift (qpsk)参数频率变换: parametric frequency conversion电压 频率变换器: voltage frequency transducer工作频率变换: operating frequency change类比-频率变换器: analog-to-frequency converter量子频率变换: quantum frequency conversion频率变换电路: frequency-conversion circuit频率变换调制: frequency shift keying (fsk)差动正交相位变换键控: keying differential quadrature phase shift; keying, differential quadrature phase shift (dqpsk)二进制相位变换键控: keying binary phase shift; keying, binary phase shift (bpsk)变频器频率变换器: frequency transformer参量频率变换器: parametric frequency converter电压频率变换器: vfc voltage to frequency converter; voltage frequency converter; voltage-to-frequency converter发射频率变换器: tra mitting frequency converter; transmitting frequency converter非线性频率变换: nonlinear frequency transformation寄生频率变换产物: spurious frequency conversion product