electrical pulse短语⁶⁹¹⁰² 基本例句 n.电脉冲 Transmitter is the device which changes electrical pulse signal into optical pulse signal, and then transmit the optical signal in wave form by laser diode or light-emitting diode. 光发射机的功能是将电脉冲信号转换成光脉冲信号，并以数字光纤通信系统传输性能所要求的光脉冲信号波形从光源器件的尾纤发射出去。 cnki