微分增益系数随薄层载流子密度的增加而降低。
The differential gain coefficient decreases with increased sheet carrier density.
进行计算机模拟，以找到合适的比例和微分增益，其将被用于在现场试验。
Computer simulation was performed to find the suitable proportional and differential gains, which would be used in the field test.
描述了工作原理，解释所观测到的一些效应，例如滞后回线、微分增益以及记忆功能。
The principle is described graphically to explain the observed effects such as hysteresis, differential operational gain and memory functions.
文中论述了光调制特性、微分增益（DG）、微分相位（DP）、信噪比（S/N）等重要问题。
The optical modulation characteristics, differential gain (DG), differential phase (DP) and signal-to-noise ratio (S/N) are described as well in this paper.
简述了MD 1721型矢量示波器的工作原理和自检方法，微分增益失真dg和微分相位失真dp的测量方法。
This article simply introduces the work principles self-checking methods differential gain distortion DG differential phasic distortion DP of MD1721 Model Vector Oscollograph.
采用时间增益补偿技术，补偿超声波在空气中的衰减，减少回波信号的起伏；由有源全波整流电路和微分电路等组成峰值时间检测电路，可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
采用时间增益补偿技术，补偿超声波在空气中的衰减，减少回波信号的起伏；由有源全波整流电路和微分电路等组成峰值时间检测电路，可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
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