PL Pulse Frequency Modulation 脉冲频率调制

pulse frequency modulation control system [自] 脉冲调频控制系统

pulse frequency modulation telemetry [自] 脉冲调频遥测术

Pulse Frequency Modulation PFM 脉冲频率调制

PFM M Pulse Frequency Modulation 脉冲频率调制

Integral Pulse Frequency Modulation 结合积分脉冲频率调制 ; 整体脉冲频率调制

frequency modulation coded pulse signal 调频编码脉冲信号

linear frequency modulation pulse 脉冲线性调频

Pulse frequency modulation controller 脉冲频率调制控制器件