离散: dispersed; scattered about; ...频率: frequency; rate调制: mingle; toss; lard; modulate ...离散频率: discrete frequency离散频率噪声: discrete frequency noise光频率调制: light frequecny modulation; light frequency modulation频率调制: frequency-modulation频率调制,调频: frequency modulation; frequency-modulation (fm)频率调制波: frequency-modulation wave频率调制的: frequency modulated; warbled频率调制度: warble rate频率调制光: frequency-modulated light频率调制器: fm modulator离散频率发生器: dfg discrete frequency generator调频频率调制: fm; frequency modulation; frequency nodulation方式(频率调制式): frequency modulation改进频率调制: modified-frequency modulation空间频率调制: space frequency modulation宽带频率调制: broad-band frequency modulation; wideband frequency modulation量化频率调制: qfm quantized frequency modulation临时频率调制: incidental frequency modulation脉冲频率调制: pfm pulse frequency modulation; pl pulse frequency modulation; pse feqency modation; pulse repetition rate modulation; pulse-freqnecy modulation; pulse-frequency modulating; pulse-frequency modulation; pulse-repetition-rate modulation; pulsed frequency modulation频率调制理论: frequency modulation频率调制偏差: frequency modulation deviation; frequency-modulation deviation频率调制深度: depth of frequency modulation