frequencyn.频繁;频率
frequency domain synthesizer频域合成器
frequency-coding converter频率-编码转换器
frequency doubling perimetry倍频视野计
frequency-domain filtering频域滤波
frequency shifted audio tone移频单音频
frequency domain correlation频域相关
frequency-diversity system频率分集系统
Frequency Modulated Terminal调频终端
frequency division multiplex分频多路传输,频分多路转换,频分多路传输