compound fundamental frequency
discount of fundamental frequency
fundamental frequency
基本频率
基频率
基音频率
基本次数
基波频率
基本自振频率
基频特征
振动基频
基准频率
基础频率
固有频率
基本量
自振频率
基频
频率
基
基波
fundamental frequency band
Longitudinal fundamental frequency vibration
speaking fundamental frequency
vocal fundamental frequency
4-level frequency modulation (4-level FM)
AC frequency modulation for motor speed regulation
amplitude and frequency modulation
balanced frequency modulation detector
coefficient of frequency modulation
direct frequency modulation
frequency modulation
调频
频率
频率调制
频率灯
调频频率调制
频率调变系数
窄带调频
调频干扰
调频作用
一次调频
变频调速
高压直流调频
调频率
档
频调
变频
frequency modulation benefit
frequency modulation detecting threshold
High frequency modulation
hysteresis time of primary frequency modulation response
Intrawave Frequency Modulation