查询词典 feedback circuit

A device in the electrical circuit for varying the luminous flux from lamps in a lighting installation.

安置在电路中以改变照明系统中光源光通量输出的装置。

Because printed circuit board is developing in the direction of fine line, high density, small aperture and multiplied layers, apart from that the requirement for inner and outer quality of base material is extremely high, more and more rigorous requirements are proposed on manufacturing environment and lustration of process.

针对 PCB 向细线路、高密度、小孔径、多层化的方向发展、除对其基材的内外质量要求极高外，也对制造环境和制程的洁净度提出越来越苛刻的条件。

Starting from the steady-state performance of three-phase fully-controlled rectified circuit, which is with large inductive load, we take the front two items of the Maclaurin series of the DC voltage average as approximate formula, with considering of the effect of the AC-side inductance first, and further effect of AC resistance on DC voltage and commutation angle.

本文从带有高感性直流负载的三相全控整流电路稳态工作的物理情况出发，首先考虑了交流侧电感的影响，进而考虑交流侧电阻对直流电压、换相角的影响，将直流电压的平均值用麦克劳林级数表示，取前两项作近似，得出了实用的解析计算公式，并给出了计算步骤，实验证明该结果具有较高的精度。

First, multi-conductor transmission lines are cut into pieces, every piece is modeled by a GTC cell. ABCD matrix of transmission lines is obtained via ABCD matrix of GTC cell. Maclaurin series of the matrix are obtained with great ease. The series are entered into the overall circuit MNA equations as a stamp. Then impulse response in S domain is gained.

将非均匀、耦合、有耗多导体传输线分段，每段由一频域的GTC模拟，根据GTC的ABCD矩阵得出多导体的ABCD矩阵，接著将其麦克劳林展开式嵌入网络的修改节点方程并求得电路的频域冲击响应，利用指数衰减多项式求得时域冲击响应。

Company most good morning set up in China's profession's integrated circuit design, natal front porch's positional--Shanghai, rely on in Eastern China's area follow Guangdong Shenzhen posterior the second electronic industry new base de macroclimate, finish to own industry's technology, consumer's community's perfect molt, more China "core "de nationality add a my limited power .

公司最早成立于中国专业集成电路设计、生产的前沿阵地--上海，依托于华东地区继广东深圳之后的第二个电子工业新基地的大气候，完成对自己的产业技术、客户群落完善的蜕变，更为中国"芯"的民族化增添一份绵力。

As a result of the deficit of in successive years, at present capital is not worth badly, difficulty of have enough to meet need, add the effect of the macroclimate before be duped, effective supply of goods is insufficient, customer money volume drops somewhat, carriage income is serious coast, transform in what want devoted carriage hardware already, again many is in circuit disease to want a variety of circumstances such as punish to fall, the situation is very grim.

由于连年的亏损，目前资金严重不足，周转困难，加上当前大气候的影响，有效货源不足，客货运量有所下降，运输收入严重滑坡，在既要投入运输硬件的改造，又有多处线路病害要整治等多种情况下，形势十分严重。

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。

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。

IC card and magnetic card the same size in the top left of their cabinets have one or more integrated circuit chips.

IC卡的大小和磁卡相同，在其左上方嵌有一片或几片集成电路芯片。

This technology continued to be tested and improved into the 1950's when magnetic core memory and a transistor circuit element were discovered.

这种技术不断得到实验和改进，直到20世纪50年代出现了磁芯存储器和一种晶体电路元件。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。