一通信软件

This paper precisely conducts the special topic research in view of some important technologies of the digitized control module.(1) AC motor control circuit of PAN/TILT is designed ,which speed is controlled by AT89C51 MCU. DC motor control circuit of LENS is designed too.(2) The hardware and software of automatic temperature control is designed, which used in camera protect box without A/D IC. A kind of single wire communication IC is used in the circuit. So, the program is given.(3) A method of video switch without picture shock is discussed in this paper, and 16x8 video switch circuit is designed. AT89C51 can carry out time sequence logical control with the sync signals by request..(4) The module of real-time clock is designed, in which, LCM is used, a kind of three-wire communication IC is used too.

1给出了一种由89C51单片机控制的简单易行的交流云台转动变速控制电路，实现了云台及其电动三可变镜头的控制；(2)给出了无需外加A/D、单线通信的防护罩自动温度控制电路，完成了单片机温度控制软件的设计；(3)提出了"无抖动"视频切换的设计思想，给出了16×8的视频切换电路，利用单片机在视频信号的场消隐期控制切换，从而实现了"无抖动"切换；(4)给出了一种三线接口通信的液晶显示实时时钟电路，完成了程序设计；(5)提出了在视频监控系统数字控制模块中，用CAN总线取代传统的RS-485总线，实现PELCO-P协议传输的方案。

Socket LAN-based communications software for local area network to provide a good, safe, fast communication mechanism.

基于Socket的局域网通信软件可以为局域网提供一种良好，安全，快速的通信机制。

So monitoring the hydric parameters can realize the effective and essential evaluation for the running state of the dynamotor.

并且提出了一种利用组态软件MCGS、无线通信手机短消息业务、工控总线Modbus通信协议和RS-485总线实现发电机系统氢气参数的现场实时监测系统的设计方案。

This thesis is about the brand image of the mobile communication of the Chinese Mainland, using the internet to collect data by questionnaire survey. Do the factor analysis on the fifty six sample data, utilizing the software--SPSS. Find out the recessive variables, which are essential but can not be fathomable directly, hiding behind the fathomable variables.

本文就我国内地移动通信行业品牌形象这一主题设卷，通过网络问卷调查形式进行数据收集，利用SPSS统计软件，对五十六个样本数据进行因子分析，找出用来描述隐藏在一组可测量到的变量中的一些更基本的但又无法直接测量到的隐性变量。

This lesson a research expresses, passing a procedure of the place of honor machine a string of an adjoin orifice delivers to the development knothole FPGA chip an inside of saving machine inside, and make use of the NIOS development a the software of SDK in the piece the end realizing a string of a correspondence is complete viable, can satisfy the each a fleetness for corresponding by letter system, efficiently, the development trend of the small scaled and big capacity.

本课题研究表明，将上位机的一段程序通过串行接口传送到开发板的FPGA芯片内的存储器中，并且利用NIOS开发套件中的SDK软件最终实现串行通信是完全可行的，可以满足各系统之间的串行通信系统的快速、高效、小型、大容量的发展趋势。

This text put forward in analyzing technical and basic principle in the correspondence of adjoin orifice and NIOS development knothole construction iso - foundations and discuss a kind of according to the place of honor machine writes with the VB iso - high class language plait, a correspondence.

本文在分析接口通信技术的基本原理及NIOS开发板的结构等基础上，提出并讨论了一种基于上位机用VB等高级语言编写，下位机程序调试环境是NIOS开发套件中的SDK软件，最终实现它们之间的串行通信。

The system used a high-speed data acquisition unit which frequency sampling reach to 20MHz, and used a CAN bus with strong anti-interference and high transmission s...

该系统采用了一套采样速率可达20MHz 的高速数据采集系统，并采用抗干扰性强、传输速率高的CAN 总线进行上下位机通信，同时该系统的上位机软件可实现在线监测数据的软件滤波处理、数据库的信息查询、数据的分析显示和监测信息的网络发布功能。

The invention relates to a software loading system, which comprises: at least one service single plate, a communication manage unit, a load balance unit, at least two loading processing units and a data strategy server, wherein said devices are matched, to confirm that loading processing unit can process the software loading on the service single plate when one of several loading processing units do not reach the loading processing limit.

本发明提供了一种软件加载系统，包括：至少一个业务单板、通信管理单元、负载均衡单元、至少两个加载处理单元以及数据策略服务器，这些器件相互配合，以保证多个加载处理单元中的一个尚未达到加载处理极限的加载处理单元能够为业务单板进行软件加载过程。

For the characteristics of voile cleaning machine in textile producing, a new control system based on CAN fieldbus is presented in this paper, The principle of the system is introduced, The interface of the network and the communication protocol of the system are discussed in detail, The design of control software is also analyzed, the main program of communication is given. For CAN network communication of master and slave station,the system works reliably, and the voile cleaning is controlled intelligently. It is an advanced control technology. which is verified in practice .

针对纺织生产过程中清纱机的工作特点，提出了一种基于CAN总线技术的控制系统设计方法，分析了系统的工作原理、网络拓扑结构及其硬件构成，详细阐述了CAN总线的网络接口方法和系统通信协议，讨论了控制软件的设计，给出了CAN网络的主要通信程序，由于这种系统的主、从站之间采用CAN网络通信，实现了对清纱工程的智能控制，系统具有运行可靠、性能价格比高的特点，实践证明这是一种先进的控制技术，具有较大的推广意义。

This paper introduces a type of shortwave MODEM software program applied in a semiduplex SW transmitter-receiver, analyses the realization of communication between SW MODEM and computer serial port and thoroughly relates several key techniques of communication.

介绍一种用VC ++创建的动态链接库DLL ，应用于收发一体半双工短波电台的短波MODEM软件编程，并分析短波MODEM与计算机串口通信实现的方法，详细阐述其通信编程中几个关键技术。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。