驱动电路

The engine control adopt the position close-loop to control, the unit include mainly : controller, power amplification and accelerograph implement drive device,etc.

对于发动机控制，采用了位置闭环控制。发动机电控单元主要包括：微控制器、功率放大和油门执行器驱动电路等。

The design of actuation circuit is the essential part of LED illumination.

该系统设计的关键部分是驱动电路。

To control stepping motors, the balance bridge power drive circuit is made up by TDA1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.

双回转机构的步进电机控制电路由TDA1521音频集成功率放大器组成平衡桥式功率驱动电路，由计算机并行口经过锁存器构成脉冲分配器。

When designing the step motor drive circuit of 5 phase 10 pat,89C2051 is adopted as the Loop allotter. The VMOS is adopted in power elements. It is designed as chopper-type constant current circuit.

设计五相十拍步进电动机驱动电路时选择了89C2051作为环形分配器，而功率器件选用电压型的VMOS管。

Meanwhile, this detected voltage difference is amplified and filtered, and finally the processed signal is transmitted to the analog input of the DAQ card for further software operation, display, and storage.

其工作原理是利用DAQ卡类比输出通道，送出不同频率且幅值恒定的正弦电压信号，透过修正型Howland定电流驱动电路将电压信号转成电流信号加入体内，由量测电极取出电压信号经放大滤波后，把讯号送入类比输入DAQ卡，并在LabVIEW人机介面上做运算处理、分析、显示与储存。

It gets the differential of the shadow image, The characteristics of the edge was atta.

采用微分法获取边缘特征点，简化了驱动电路，提高了测量精度以及信号处理效率。

When the linear array CCD is installed reasonably in autocollimator and peculiar pattern reticule is used autocollimator can measure two-dimensional small angle also with characteristics of great reducing cost simple driving and processing circuit high collecting speed and high frequency response measuring angle.

当线阵CCD安装在自相当奇特的格局和镜头可以用来衡量自二维小角度也有很大的特点，降低成本，加工简单驱动电路速度高、高频率采集反应测量角度。

This product, made up by the lamp holder, battery and driving circuit, with the features: light in weight, small in size, compact in frame, steady in performance and free from maintenance, is a type of integral lamp.

该矿灯为整体型，由灯头壳、蓄电池光源和驱动电路构成。该矿灯重量轻、体积小、结构紧凑、工作可靠、免维护。

This paper is about the hardware of circuit design for radiocommunication LED display screen,and mainly introduced ist principle and the design about the circuit.

设计了无线通信LED显示板的硬件部分，介绍了LED点阵显示器的驱动电路和无线收发模块电路。

A new kind of driving circuit is designed, it realizes driving and frequency tracking of USM.

本文研究并设计了一种新型的驱动电路，用以实现超声波电机的驱动和频率的自动跟踪。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。