查询词典 control signal

a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

The processor (1) is operable to generate the bias setting signal (3) and thereb y control the biasing circuit (6) to dynamically bias the sensor such that the signal characteristic of the output signal is maintained in a target range.

所述处理器(1)可操作用于产生偏置设置信号(3)，由此控制偏置电路(6)以动态地偏置所述传感器(10)，从而所述输出信号的所述信号特征被保持在相对小的目标范围内。

Related with the traffic status of our country, the content of this paper is combined with practical application. The paper studies how to investigate traffic status in urban signal intersection, By field observing and videography, this paper get the geometry formal、traffic control and traffic running state of Xingtan road and Wenhuiyuan north road intersection, which can be support database for model building and model testing. On currently basic design principles of signal phase, through deep study of signal phase and canalization design.

本文结合我国目前的交通状况，着力将所要研究的内容与实际应用结合起来，研究了城市信号交叉口交通调查的方法，通过实地观测和摄像的手段获得杏坛路与文慧园北路交叉路口的几何形式、交通管理和交通运行状况的信息，以此作为建立模型和验证模型的支持数据，并在现有信号相位设计基本原则的基础上，深入研究了混合通行情况下的相位方案及渠化设计。

This paper presents a virtual electronic technology development, traffic signal design, Traffic lights and the design method; Comprehensive analysis and comparison of the advantages and disadvantages of the design method, The topic of virtual electronic technology used to achieve the main streets and secondary streets crossroads of the traffic signal controller design electronic workbench to the traffic signal control circuit simulation.

本文首先简要介绍虚拟电子技术的发展、交通信号灯设计的作用、以及交通信号灯的各种设计方法；综合分析比较各种设计方法的优缺点，本课题采用虚拟电子技术实现主要街道和次要街道十字路口的交通灯控制器的设计，采用电子工作台EWB对交通信号灯控制电路进行仿真。

Back a car radar uses principle of ultrasonic range finding commonly, below the control of controller, transmit ultrasonic signal by sensor, when encountering fraise, generate echo signal, controller of the classics after sensor receives echo signal undertakes data processing, judgement gives the seat of fraise, by show

倒车雷达一般采用超声波测距原理，在控制器的控制下，由传感器发射超声波信号，当碰到障碍物时，产生回波信号，传感器接收到回波信号后经控制器进行数据处理、判定出障碍物的位置，由显

The remote information processing terminal comprises a remote information processing control part, a power supply for the remote information processing control part, a transceiver used for providing a vehicle network interface to the remote information processing control part, two nor gate elements using the output terminal of the transceiver and the power off signal terminal of the remote information processing control part as the input terminal and forming a trigger structure interactively with the output terminal of the trigger connected with the power supply, and a power supply control part.

本发明的远程信息处理终端机包括：远程信息处理控制部；向上述远程信息处理控制部提供电源的电源部；向上述远程信息处理控制部提供车辆网络界面的收发器；具有把上述收发器的输出端和远程信息处理控制部的电源停止信号端分别作为输入端，并相互形成触发器结构，其输出端与上述电源部连接的两个或非门；以及电源控制部，如果提供车辆电源或通过收发器输入电源接入/切断信号，上述电源部就会提供/终止提供电源。

For the terminal part, the microwave receival device receives the video signal transmitted by the transmission device and the video signal is displayed on the terminal display. The voice remote circuit includes voice identification circuit, wireless transmission circuit. The voice identification circuit identifies the voice code and the signal is transmitted by wireless transmission circuit to control the action of the robot.

在终端部分，微波接收器件接收发射器件发射的视频信号，在终端显示器上显示出来；声音遥控电路包含声音采集与识别电路，无线发射电路，声音识别电路识别声音指令编码后由无线发射电路发射，控制机器人行动。

Including : 1, wiring system : as wiring harnesses box center will signal cables distribution to the appropriate location, and through wiring boxes for the convenience of control and management ;2, transmission conductors : weak electricity more types of signal wire, coaxial cable, UTP, as audio transmission lines, transmission lines for the transmission rate is the main signal decay and ;3, terminals : the main categories of information, including panels ;4, various information appliances : such appliances will have a receiving or sending information available, including television, computers, network appliances.

其中包括：1、布线系统：以配线箱作为配线中心，将信号线缆分布至合适的位置，并能通过配线箱进行方便的控制和管理；2、传输导线：弱电信号导线种类较多，有同轴电缆、双绞线、视音频传输线等，对传输线的要求主要是传输速率以及信号衰减；3、终端设备：主要包括各种信息类面板；4、各类信息家电：此类家电都带有信息接收或发送端口，包括电视、电脑、网络家电等。

Digital signal processor DSP and realizes each kind of digital signal processing algorithm prominent merit fast by its unique structure, in the correspondence, the radar, the sound navigation and ranging, voice signal processing, the imagery processing, the high-speed control and the instrumentation equipment and so on numerous domains has obtained the widespread application.

数字信号处理器DSP以其独特的结构和快速实现各种数字信号处理算法的突出优点，在通信、雷达、声纳、语音信号处理、图象处理、高速控制和仪器设备等众多领域获得了广泛应用。

The hot water feedway concludes sub control, keyboard circuit, display circuit, control driven circuit, signal amplifier, shaping circuit, A/D translation circuit, current switch S, temperature sensor W1, temperature sensor W2, temperature sensor W3, water-level sensor H1, electric control valve Y1, electric tee control valve Y2, electric control valve Y3, pump M and heater band.

本发明涉及一种电水箱，特别涉及一种不浪费热水管中存留的冷水直接为用户提供热水的电水箱热水直供装置，它包括微控制器、键盘电路、显示电路、控制驱动电路、信号放大、整形电路、A/D转换电路、水流开关S、温度传感器W1、温度传感器W2、温度传感器W3、水位传感器H1、电控阀Y1、三通电控阀Y2、电控阀Y3、水泵M和加热带。

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。