查询词典 differentiating circuit

We also introduced and analyzed the voltage feedback circuit,capacitance—resistance absorb circuit and electric motor energy consumption braking circuit in detail.

对设计中必需的电压反馈电路、阻容吸收回路及电动机能耗制动回路进行了详尽介绍和分析。

In the same time,main circuit figuration and working principle will be given,and worked out the parameter of this circuit S transformer and RCD clamped circuit.

给出了电路的主电路图，在此基础上阐述了此电路的工作原理，并分析计算出了变压器和RCD缓冲电路设计的参数。

Next, the finite element model of induction motor is established by using Maxwell 2D transient module, and the inverter control circuit is also designed by its own circuit design editor. Consequently, a complete field-circuit coupled simulation model of inverter control system is presented.

接下来，利用Ansoft公司的Maxwell 2D瞬态模块建立了异步电动机的有限元模型，并且采用其自带的电路编辑器Schematic Capture设计了异步电机逆变器控制电路，构建了一个完整的变频控制系统场路耦合仿真模型。

Professional manufacturing: electrical circuit board Flashboard frame heat pipe, titanium heating tube, Teflon heaters, precision oven, circuit board hanging tool, circuit board tunnel furnace, SMT equipment, titanium blue.

专业生产制造：电线路板插板架热管、钛加热管、铁氟龙加热器、精密电烤箱、电路板挂具、电路板遂道炉、SMT设备、钛蓝。

The results show that the fluidization characteristics of scrap printed circuit board particles depend on the average size and type of particles. The scrap printed circuit boards particles, belonging to Geldart A group with strong viscous force, whose fluidization was similar to fluidization of Geldart C, was difficult to fluidize. Whereas, the scrap printed circuit board particles belonging to Geldart B can be fluidized smoothly.

实验结果表明，电路板塑料颗粒为Geldart A类颗粒时，粘性力大，塌落特性明显，流化性能较差，具有拟C类颗粒的流化特性；电路板塑料颗粒为B类颗粒时，塌落特征不明显，并且随着粒径的增大，最小流化速度也增大。

It is a usual structure of focal-plane-array readout integrated circuit which uses a capacitance trans-impedance amplifier as the input stage, a correlated double sampling circuit to get signal and reduce noises, and a source follower circuit to output the signal.

焦平面读出电路的一种常用结构是以电容跨阻抗放大器作为输入级，相关双采样方式提取信号并抑制噪声，源跟随器方式输出信号。

Therefore, high efficiency can be achieved. The circuit parameters are decided according to the intrinsic impedance of the resonant tank. As the duty ratios of the active switches are fixed, the charging current should be programmed via tuning the circuit operation frequency and therefore the circuit impedance. The optimum operating point is sieved by the frequency response diagram to operate the charger at high efficiency.

至於并联负载电路参数的设计是以共振槽的特性阻抗为基准，调变切换频率并固定主动开关的责任周期，藉由频率的变化改变电路阻抗，以控制充电电流的大小，透过频率响应立体图，挑选适当的操作点，使共振式充电器运作於最佳状态，以获得高效率。

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。

Using the time-gain compensation technique to compensate for ultrasonic wave's weaking when transmitting in the air,and reduce the fluctuation of echo signal.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.

和其他方法相比，如激光测距、微波测距等，由于声波在空气中传播速度远远小于光线和无线电波的传播速度，对于时间测量精度的要求远小于激光测距、微波测距等系统，因而超声波测距系统电路易实现、结构简单和造价低，且超声波在传播过程中不受烟雾、空气能见度等因素的影响，在各种场合均得到广泛应用。

The objective of the thesis is to present newly developed AC driver and protection circuits for light emitting diode. The LED modules for each upper and low arm are with pulse-width modulation control in every half fundamental cycle. The indication and protection circuits act whenever short circuit and open circuit of LED module occur. Moreover, the current path is switched off when there is a short circuit of LED module.

目前一般白光发光二极体的驱动器，皆是使用直流电源驱动，本文利用发光二极体本身单向导通的特性，将发光二极体串接成桥式整流器的方式，只需控制流经中间路径的电流周期，就可达到调整发光二极体亮度之目的，并且增加发光二极体故障时的保护指示电路。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。