The amplifier is provided with an input end and an output end and provides feedback path between the grid and the source.
一放大器，具有一输入端以及一输出端，并且在该栅极与源极之间，提供一回授路径；The first one is the feedback control law, which can eliminate the nominal term in the derivative of a Lyapunov function.
第一部份为回授控制器，目的在计算李亚普诺夫方程式微分时消除可量测之回授信号。The unjustified tying, exclusive grant-backs, fixed or fixing the resale price and market segmentation are all illegal.
不具有正当理由的搭售、独占性回授、固定或限定转售价格、分割市场等均为非法。It also can control the whole experimental procedure by the feedback of vibration message in real time.
并以即时方式量测、回授振动讯息而监控整个实验过程。A diaphragm is used to eliminate the optic noises and the influences of the feedback lights on the light path.
该系统利用光阑消除光学噪声，有效地控制了回授光对光路的影响；An external circuit is added into the feedback loop for generating the gating signals.
外部电路加入回授电路中产生闸极控制信号。True angles are fed back to controller by attached potentiometers on both axes.
本系统在两个转轴的末端连接电位计，以量取实际的转角并回授至控制器。Using the estimated speed as feedback signal, we have accomplished the sensorless control of a DC motor.
同时利用观测器之估测转速当成回授讯号，达到无测速计直流马达的速度控制。PD controller is used in the position loop to construct an asymptotically stable system.
接著在位置迴路中以PD控制器以建构一渐进稳定的闭迴路回授控制系统。