控制信号

This design is used for the control of the core SCM STC89C51 automatic drying rack, the system increases from SCM software PWM DC electromechanical drive L298 Road, humidity and photoelectric sensor signal acquisition circuit, LED display circuit, remote control receiver circuit, a power supply module .

本设计是采用STC89C51单片机为控制核心的自动晾衣架，系统由单片机PWM软件加 L298驱动直流电机电路，湿度和光电传感器信号采集电路，LED显示电路，遥控接收电路，电源模块构成。

This design is used for the control of the core SCM STC89C51 automatic drying rack, the system increases from SCM software PWM DC electromechanical drive L298 Road, humidity and photoelectric sensor signal acquisition circuit, LED display circuit, remote control receiver circuit, a power supply module .

本设计是采用STC89C51单片机为控制核心旳自动晾衣架，系统由单片机PWM软件加 L298驱动直流电机电路，湿度和光电传感器信号采集电路，LED显示电路，遥控接收电路，电源模块构成。

Their invention was an electricity meter controlled by signals from the power company.

他们的发明就是一种由电力公司信号控制的电表。

Their invention was an electricity meter controlled by signals from the power company.

他们的 发明就是一种由电力公司信号控制的电表。3。名词韵律，格律

The system adopts CPU board with fast processing elevator operational program, data signal exchange, and HMI screen, which can make sure reliable operation and high speed. It also has PHILIPS SJA1000T field CAN bus, 82C251 Bus interface and the latest serial storage technique to record data. The functions of external watchdog and control chip internal watchdog compose two-level procedure monitoring, so as to ensure the normal operation of the control program. Heavy-current switch power LM2576 ensures the stable system working power, which has low requirements for the power supply. High-speed optoelectronic isolator and internal frequency division technology can make NW3P08-41C (42C) CPU receive the input impulse up to 1-phase 100 KHZ*2 CHANEL or 2-phase 50KHZ*1 CHANEL 32bit.

系统采用原装中央处理板，具有快速的处理电梯运行程序、数据信号交换、显示屏人机界面；确保可靠运行电梯控制程序；且速度快，PHILIPS 公司 SJA1000T 现场 CAN 总线；以及 82C251BUS 接口，最新串行存贮技术记录数据；外部看门狗及控制芯片内部看门狗功能组成两级程序监视，确保控制程序正常运行；大电流开关电源 LM2576 确保系统工作电源稳定，且对供电电源要求低；高速光电隔离光藕及微机内部分频技术，使 NW3P08-41C(42C)中央处理板可接收高达 1 相 100KHZ*2通道或 2 相 50KHZ*1通道，32bit 的计数脉冲。

Clear up the interface signal of the data transceiver gsm engine module and control yard, it is mainly some materials that knowledge of at order and gsm module are dispatched from the factory.

弄清楚数据收发器gsm引擎模块的接口信号和控制码，主要是at指令相关的知识和gsm模块出厂的一些资料。

Through analyzing the technology characteristics of electronic intelligent trip, a new good performance and inexpensive intelligent trip AITU is developed which is of the advantages such as motorization, strong currency characteristics, and integrated the functions of measure, watching, protection, control and communication.

它共有六个模块：微处理器模块、待测信号获取模块、电源模块、控制模块、人机交互模块、串口通信模块，可根据具体需求在软、硬件上增加或裁减部分模块，具有很强的灵活性；而且精度高，稳定性好，实时性强，完全符合国家的标准要求。

Purchase managers, system integrators, AV products distributors, architecture and AV systems design consultors, AV academic researchers etc are included in ProAV China readership.

内容覆盖：专业显示/演示(大屏幕单机投影、多机边缘融合和拼墙；大尺寸LED、LCD和PDP平板显示)；专业音频；音、视频会议交流系统；AV信号处理及传送；集中控制系统的产品、应用和行业发展趋势信息。

Besides, according to the analysis results, corresponding measures for improving traffic in uncontrolled crosswalks were put forward, which offered reference for pedestrian traffic management in big cities.

针对大城市无信号控制人行横道的分析结果，提出了具体的改进建议和交通改善措施，为国内大城市行人交通安全管理提供了决策依据和有益参考。

From the view of psychology, the crossing delay of pedestrians crossing un-signalized crosswalks in big cities was quantitatively analyzed.

从心理学角度，以大城市无信号控制人行横道过街行人为研究对象，对行人过街延误进行定量分析研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。