调制极谱法 [分化] modulation polarography
调制极性 polarity of modulation
极性调制 [电子] polar modulation
阴极调制 [电子] cathode modulation
极化调制 polar modulation ; polarization modulation
屏极调制 Plate Modulation ; plate-modulated
集电极调制 [电子] collector modulation
板极调制 [电子] plate modulation
调制二极管 Modulation Diode
二极管调制器 [电子] diode modulator
该通信系统还受背景光、雪崩光电二极管（APD）增益和调制消光比等因素的影响。
The results also show that the performance of this communication system can be affected by background optical, APD gain and modulation extinction ratio.
放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
分析了在直接频率调制下，激光二极管中的光反馈效应，探讨了振动微小位移和速度的理论模型。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
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