驱动电路

With the difference of the analog signals, this article introductive mostly is that digital signals connect with power amplifier circuit drive speaker, and bring tone.

与传统的模拟信号不同，本设计主要介绍的是数字信号连接功率放大电路，驱动喇叭，产生乐音。

Simulation shows for equipment, such as simulated CRT monitors, signals are sent directly to the corresponding processing circuit, Driving Control kinescope generated images.

对于模拟显示设备，如模拟CRT 显示器，信号被直接送到相应的处理电路，驱动控制显像管生成图像。

Laser printers by laser, acousto-optic modulator, high-frequency drivers, scanners, desynchronizers and acoustooptic, etc., it is to interface circuits for the binary lattice information modulation in laser beam, scan-to-peripherin-seadweed.

激平打印机是由激平器、声平调制器、高频驱动、扫描器、同步器及平偏转器等构不败，其功用是把接口电路送来的二进制不面阵陈闻调制在激平束上，之后扫描到感平体上。

This design topic is LED Lattice display control system design. It is about how to use the control system of Supply chain management to resolve the crucial problem of data processing and the signaling actuation question, The design will use AT89C51 primarily controller, 74HC595 row actuation and 74HC138 line scan. As well as the synchronized clock outputs and so on allocated-use circuit to realize the lattice trundle, stops and cut demonstration.

本设计的题目是 LED电子显示屏控制系统设计，讨论了单片机控制系统中关键的数据处理以及发送问题，设计采用AT89C51为主控制器，74HC595为列驱动，74HC138为行扫描及同步时钟输出等专用电路来实现点阵的滚动，停止，以及切换显示。

The sending end when the use of pulse modulation approach will be a binary digital signal into a frequency modulation of the pulse sequence, and driver fired infrared tube to the form of light pulses sent receiver will receive the pulse of light conversion to electrical signals , and then, after amplification, filtering and other treatment to the demodulation circuit after demodulation, reduced to a binary digital signal after the output.

发送端采用脉时调制方式，将二进制数字信号调制成某一频率的脉冲序列，并驱动红外发射管以光脉冲的形式发送出去；接收端将接收到的光脉转换成电信号，再经过放大、滤波等处理后送给解调电路进行解调，还原为二进制数字信号后输出。

According to previous theoretical and technical analysis, the article proposes the whole framework of the driving-control system of steady frequency and the technical programmer of important function modular, and completes the design and development of the system circuit.

基于上述原理和技术分析，进而提出了稳频驱动控制系统的总体架构和各重要功能模块的技术方案，完成了系统硬件电路的设计与开发。

Computer software use the VC++ 6.0 to develop a human-computer interface which can give a control order to the object, print and save the collected data in order to enquiry, deal with abnormal situations and so on. Computer hardware mainly complete the design of electrical control system, including motor-controlled, motor-driven, torque signal- acquisition and the design of interface circuit.

上位机软件采用VC++6.0进行设计，主要用它来开发一个人机交互界面，对试验台发出控制命令、可以打印采集到的扭矩数据并同时将数据进行保存以便查询、对异常情况进行处理；下位机硬件主要完成电气控制部分的设计，包括电机的控制、电机的驱动、扭矩信号的采集和接口电路的设计。

Standard features include a precision-engineered revolutions per minute controller, a durable rotor brake, an auxiliary fuel system to increase its versatility and enhancing ring circuit, and a high-quality voice communications device driver.

标准特徵包括一个精密设计的每分钟转数控制器，一个耐用的旋翼制动装置，一个辅助燃料系统以增加它的多功能性及加强环形电路，以及一个优质的声音驱动通信装置。

Standard features include a precision-engineered revolutions per minute controller, a durable rotor brake, an auxiliary fuel system to increase its versatility and enhancing ring circuit, a leading voice-driven communications device.

标准特徵，包括一个精密设计的每分钟转数控制器，一个耐用的旋翼制动装置，一个辅助燃料系统以增加它的多功能性及加强环形电路，一个优质的声音驱动通信装置。

An improved GTO gate driving circuit is proposed, which is capable of self-locking protection for GTOs.

给出了GTO驱动的改进电路，以实现GTO的自锁保护。

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。