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led屏
相关语句
  led screen
     Multi LED screen real-time display based on RS485
     基于RS485的多个LED屏实时显示
短句来源
     This paper introduces the hardware and software of a high speed graphic LED screen based on dual processors and dual port SRAM.
     介绍了一种基于双处理器和双口SRAM的高速图形LED屏的硬件和软件。
短句来源
     Application of computer and the PLC and LED screen distributed control system to tour site
     微机、PLC与LED屏分布式监控系统在旅游景点的应用
短句来源
     A High Speed Picture LED Screen Based on Dual Processors and Dual port SRAM
     基于双处理器和双口SRAM的高速图形LED屏
短句来源
     The corresponding software design based on the hard wares,which includes the serial data receiver and the data saver and the information display,was made. Also by using the VHDL language,the program of UART,Memorizer Control and LED Screen Scan were developed.
     在已经使用CPLD实现了串行数据接收、存储以及所接收信息的显示硬件电路设计的基础上,给出了系统软件功能分析、设计过程,以VHDL硬件描述语言开发了串口通信,存储器控制和LED屏扫描程序等相应软件。
短句来源
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  led display
     Study of Led Display Screen on Interface Technique
     LED屏显示接口技术研究
短句来源
     A New Way to Capture Data for LED Display Screen
     一种新型的LED屏获取显示数据方法
短句来源
     On the basis of these, using the technology of electronic design and software, we develop a wireless transfer system which is composed of the LED display and the POCSAG coding equipments to form a wireless information declaration platform involves hundreds of displays.
     在此基础上,利用电子设计技术和软件技术,设计开发了LED屏显设备和POCSAG编码的无线传输系统,组成百屏群显的无线信息发布平台。
短句来源
     The display content of LED display screen is edited with PC software, and then the software transmits them to LED display screen. So, the PC software is an important part of LED synchronous screen, and it is the research of this paper.
     然后,介绍了LED脱机屏编辑器,它是上位机软件最重要的组成部分,用于编辑脱机屏显示的文字和图片等内容,并通过串口、并口和网络(采用套接字实现)传输到LED屏,同时可在上位机进行显示效果的预览;
短句来源
     According to the characteristics of the LED module structure, combining the technology of CPLD,the dynamic scanning display of the LED display screen was realized. A kind of large LED-screen display control system was designed.
     根据LED显示模块结构特点,结合CPLD技术实现LED屏的动态扫描显示,设计了一种大屏幕LED显示控制系统。
短句来源
  “led屏”译为未确定词的双语例句
     Design of the monitoring system for large LED dot matrix screen environment parameters
     大型LED屏体的环境参数监控系统设计
短句来源
     An Implementation of Control of All-Color LED panel With CPLD
     用CPLD实现对彩色LED屏控制
短句来源
     It was the main design principle to put a register between screen and controller. Every bit of the register corresponds to one shining device and brushing every bit all time,thus, the brightness of the screen was increased.
     主要设计原理是在屏幕与控制器之间加一个寄存器,该寄存器的每一位对应LED屏上的1个发光器件,且可动态刷新,从而达到预定的控制目的。
短句来源
     The old method of character motion display is analyzed,and a new method based on the window change is given. It can solve the bad phenomenon such as flash,pause and so on appeared in the old method.
     通过对LED屏原有文字平移显示方法的分析 ,提出了一种基于窗口变换的文字平移显示方法 ,从而较好地解决了目前LED屏在大移动区的平移显示中存在的闪烁、停顿等现象 ,拓展了低速控制设备在显示领域的应用范围
短句来源
     In this thesis,a technique is discussed which involves using red、green and implementing separate control of several R,G and B intensity levels by means of different duty with a cpld so as to produce all-color dynamic artistic effect in decorating and advertising fields.
     文中讨论在装饰宣传中,用超高亮度红(R),绿(G),蓝(B)发光二极管作为发光源,构建全彩色 LED屏,采用复杂可编程逻辑器件(CPLD),按占空比方式实现对若干个 R、G、B 发光灰度等级实现单独的控制,使其产生全彩色动态艺术效果的显示控制技术。
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  led screen
The internal state is mainly communicated using the synthesized voice and face movements, in some cases symbols are shown on the LED screen.
      
  led display
Experiments on distance perception of stereoscopic targets have been conducted with the stereoscopic LED displays using parallax barriers, as well as a stereoscopic LED display using polarizing eyewear.
      
The small size, only four command switches and the six-digit LED display for parameter presentation make the instrument easy for use in the clinic.
      
You might note that the LED display does not form every character of the alphabet completely, so you have to do a little creative interpretation.
      
You will see this as you view the pictures of the LED display as you review these instructions.
      
A hard event will be evident by a solid pulsing of the converter and a brief flash of digit on the LED display.
      
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In order to increase brightness of the data register LED display screen, the main design thoughts are trying to delay light time to every LED. It was the main design principle to put a register between screen and controller. Every bit of the register corresponds to one shining device and brushing every bit all time,thus, the brightness of the screen was increased.

数据寄存式LED显示屏控制器的主要设计思想是设法延长LED的点亮时间,达到提高显示屏亮度的目的。主要设计原理是在屏幕与控制器之间加一个寄存器,该寄存器的每一位对应LED屏上的1个发光器件,且可动态刷新,从而达到预定的控制目的。

LED super scale color screen can be used to show TV programs. Since the luminescence character of CRT is nonlinear,a contrary pre distortion called γ correction is given at the source of image to compensate the nonlinearity. But as the significant difference between the luminescence property of LED and that of CRT,there exists great grey deformity and the outlook is terrible when LED color screen shows TV programms,so the signal must be corrected before driving the LED.In addition,considering the relationship...

LED super scale color screen can be used to show TV programs. Since the luminescence character of CRT is nonlinear,a contrary pre distortion called γ correction is given at the source of image to compensate the nonlinearity. But as the significant difference between the luminescence property of LED and that of CRT,there exists great grey deformity and the outlook is terrible when LED color screen shows TV programms,so the signal must be corrected before driving the LED.In addition,considering the relationship between the brightness of poeple's sight feeling and the physical brightness,this paper gives a way of correcting sigal for LED color screen called γ′ correction. Experiment results show the effectiveness of the method is significant.

全彩LED大屏幕可以用来显示电视画面。由于CRT发光特性的非线性,在图像信号源处引入一种称为γ校正的相反预失真来补偿CRT的这种非线性。但由于全彩LED 大屏幕系统的发光特性与CRT的发光特性不同,它的发光亮度与其控制量成线性关系,因此在显示电视画面时会引起严重的灰度畸变,观赏性极差。因此必须在把控制信号送给LED 驱动电路之前对其进行校正,使之适合LED屏的显示。此外,还考虑到人的视觉的明亮度与物理亮度的关系。本文给出了一种对LED大屏幕信号进行校正的方法,即γ′校正,实验结果表明效果极其显著。

In this paper, an example of lights control and tour information display in the cave for tour, is given to deal with an kind of the distributed control system constructed of computer, PLC and LED displaying screen, in tour site. The slave computer of this system is a programmed logic controller(PLC), and the host computer is a personal computer, they are connected into a RS-422 net. The tour information is collected and sent to the host computer, and is displayed on the computer screen and the LED screen....

In this paper, an example of lights control and tour information display in the cave for tour, is given to deal with an kind of the distributed control system constructed of computer, PLC and LED displaying screen, in tour site. The slave computer of this system is a programmed logic controller(PLC), and the host computer is a personal computer, they are connected into a RS-422 net. The tour information is collected and sent to the host computer, and is displayed on the computer screen and the LED screen. The system architecture block diagram and the design of hardware has been systematically given. Some basic design methods or flow diagram for some main functions of the system: control of sites lights, communication between two sites, supervision of the whole system by host computer etc. are provided. The system is proved to satisfies the demonds by practical operation.

论述了由微机、PLC与LED屏组成的主从分布式监控系统在旅游景点中的应用。系统下位机为可编程序控制器 (PLC) ,由PLC进行各景点灯光等控制 ,上位机为一台个人计算机 ,它们联成一个RS -4 2 2通讯网络 ,通过该网将游览动态信息发送到上位机和LED显示屏上同步显示。洞内灯光的开关及变化等由PLC内部定时器产生的定时或节拍信号控制 ;灯光的强弱由PLC调节可控硅导通角控制 ;景点PLC间的通讯通过识别接收到的脉冲宽度实现 ;整个系统由上位机的经过二次开发的组态王 5 0软件来监控管理。

 
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