查询词典 read amplifier

The research results have shown that the configuration of the magnetic bearing reduces overall system size, and has high efficiency. The axial and radial suspension forces have great linearity. The symmetrical characteristic strenuously, and movement of every degree of freedom around balanceable position has no coupling and the control flux of every degree of freedom is independent. It is beneficial to simplify and design the controller and the circuit power amplifier. The magnetic bearings operate stably with decentralized PID controllers.

研究结果表明：这种磁轴承结构合理紧凑，效率高；磁轴承轴向、径向悬浮力具有较好的线性和对称性，有利于控制器及功放电路的简化与设计，并获得良好的拉制性能；各自由度运动和磁路几乎没有耦合，采用分散独立的PID控制器实现了磁轴承的稳定工作。

Three magnetic amplifier s, such as adjustable-damper controlling, speed-limited protection in deceleration segment, and automatic braking largely used in alternated-elevator system in nation's coal and metallurgy exhibit quickness and firmness.

我国煤炭和冶金矿山大量使用的交流提升机，控制系统采用的可调闸控制、减速段限速保护和减速阶段电气制动三个磁放大器装置，存在快速性、稳定性、对环境参数的依赖性、敏感性均较差等固有弊端，采用现代电子器件和先进的控制技术取代原控制系统中的1CF、2CF、 3CF三个磁放大器及其落后的控制技术，并增加全新的电子速度给定环节，改善提升机性能

The device includes on-chip Hall voltage generator for magnetic sensing, the error amplifier that amplifies the Hall voltage, a comparator that is to provide switching hysteresis for noise rejection, the bi-direction drivers for sinking and driving large current load, and the frequency generator thatprovides a signal proportional to rotation speed.

该器件包括片上大厅为磁场传感，误差放大器，放大的霍尔电压，比较器是提供切换噪音抑制滞后电压发生器，双向驱动的吸收和大电流负载，频率方向司机发电机提供了一个信号，转速成正比。

Companies to adopt international advanced industrial automatic placement machine assembly technology, integrated circuit manufacturing equipment, production of various series of infrared photoelectric switch, proximity switches, inductive, high temperature, capacitive, Hall sensors, safety explosion-proof magnetic switches, Isolation amplifier type, permanent-magnet sensors, analog linear displacement, liquid level sensors, textile weft detection device, wire break detector, hot metal detectors, welding phase sensor, color code, fiber optic, security screens, ultrasonic sensors, gear , speed sensor, pressure, electrode-type coal-bit sensors, rotary encoder, two-way cord running series switch, counter relays, solid state relays, switching power supply, isolation transmitter, welding power rectifier, thyristor modules, etc.

公司采用国际先进工业自动贴片机装配技术，集成化电路制造设备，生产各种系列红外线光电开关，接近开关，电感式、耐高温、电容式、霍尔式传感器，安全防爆磁性开关，放大器分离型、永磁感应器、模拟量线性位移、液位传感器、纺织探纬器、断丝检测器，热金属检测器，电焊相传感器，色标、光纤、安全光幕、超声波传感器，齿轮、速度传感器，压力、电极式煤位传感器，旋转编码器，双向拉绳跑编开关，计数器继电器，固态继电器，开关电源，隔离变送器，焊机电源整流桥、晶闸管模块等产品。

This reduces unwanted magnetic fields and eliminates the mechanical effects of magnetostriction vibrating the amplifier chassis.

这减少了不必要的磁场，并消除了磁致伸缩振动放大器的底盘机械效应。

The end power amplifier uses the transistor 2SC1970 to make it work in the third magnifying state, the output power reaches 20mW.

末级功放选用三极管2SC1970，工作在丙类放大状态，输出功率达到20mW。

MAIN OUTCOME MEASURES: Number of trabecular bone closely or not closely connected by bone cement section surrounding to calculate the rate of combination; condition of surfaces of marrow cavity and bone cement in the column by amplifier.

主要观察指标：观察CT片，测出骨水泥截面周围与骨小梁结合紧密者与非结合者的个数，计算结合率。用放大器材观察骨髓腔内表面及骨水泥内柱表面情况。

Reactive compensation device, a new kind of dynamic device which can separately measure the voltage and current signals using PCC as master controller and can sample the signals using programmable amplifier, may pretreat the reference voltage in order to adjust expediently.

0引言在电网中安装并联电容器等无功补偿装置，可就地补偿感性负载所消耗的无功功率，从而减少电网电源向感性负荷所输送的无功功率，降低线路和变压器因输送无功功率造成的电能损耗。

The technique gives analytical formulae for the noise performance of inductively degenerated CMOS low noise amplifier circuits with an ideal gate inductor for a fixed bias voltage and nonideal gate inductor for a fixed power dissipation, respectively, by mathematical analysis and reasonable approximation methods.

针对定偏置电压下理想栅电感和定功耗下的非理想栅电感两种情形，利用数学分析和合理的近似方法分别进行了详细的讨论，给出了简洁而有效的分析设计公式。

V OS. One would then expect to measure a true zero at the amplifier's output.

由此便期待着在测量放大器的输出真正的零。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！