线频率调节
line-frequency regulation
线频截止
cutoff frequency of a line
线频调制
linear frequency modulation
微波频率
microwave frequencies
纹波频率
ripple frequency
无线电频率
radio frequency
无载频率
free-running frequency
无阻尼自然频率
undamped natural frequency
误差频率限制
error frequency limit
吸收频率
absorption frequency
absorption frequency
吸收频率计
absorption fredquency meter
狭带频率调变
Nbfm
下半功率频率
lower half-power frequency
下旁带上变频率
lower-side-band upconverter
线条频率
strip frequency
相对频率
relative frequency
相对频率图
relative frequency diagram
相邻波道频率
adjacent channel frequency
相邻频率选择性
adjacent frequency selectivity
相位对频率响应特性
phase-versus-frequency response characteristic