数据机

An equipment for mixed use of wide-band ADSL and marrow-band cards features that associated LVDS transceiver and on-board connector are installed to ATVC card and WAN card. The high-speed wide band ADSL data line can use LVDS mode to conveniently realize the mixed use of wide-band ADSL and ordinary analog user card on narrow-band speech exchange or the ONU rack of optical network unit. It is connecessary to modify the backplate of POTS and machine rack. The existing narrow-band device can be upgraded to have wide-band access function.

本发明提供了一种宽带ADSL和窄带用户板混插的装置，通过在ATUC板和WAN板上提供相应的LVDS收发器和板上连接器，高速宽带ADSL数据通过背板外LVDS走线方式，可以在普通窄带话音交换机或接入网光网络单元ONU的机框上，方便地实现宽带ADSL与普通模拟用户板之间的混插，这种方法不需要对窄带话音POTS的背板和机框作任何改动，即可实现窄带到宽带的平滑过渡，对已有窄带设备可提供随时升级为宽带数据接入功能的方法及设备。

MAX232 used to achieve single-chip PC with the plane between the level of conversion, a simple 3-wire connection method of communication, the upcoming PC and the single-chip to send data and receive data client-side cross-connect two of the earth Directly connected, PC-flight use of the existing serial debugging software assistant, is the use of single-chip assembly language programming.

采用MAX232实现PC机与单片机之间的电平转换，采用简单的3线制连接方法实现通信，即将PC机和单片机的发送数据端与接收数据端交叉连接，两者的地线直接相连，PC机上采用了现有的串口调试助手软件，单片机则利用汇编语言进行编程。

In DCS, configuration is used to accomplish the on-line calculation of main stress of the orifice of the drums central downcomer. In MIS, the client/server structure based on the database is adopted. The program in server pretreats the data from DCS and sends them to the database, while the programs in client accomplished the final treatment and displays the result

在DCS侧，通过组态的方法，在不增加新测点的前提下实现了汽包集中下降管管孔处主应力的在线计算；在MIS侧，采用基于数据库的客户机/服务器结构，服务器端程序对从DCS系统来的数据进行初步的处理并存储在ORACLE数据库中，客户机端程序完成数据的最终处理及结果的显示

When any of the characteristics of the blood plasma are changed,the electrical resonance frequency of the blood plasma will changed immediately. In the process of blood coagulation, the characteristics of the blood plasma are changed fundamentally. Therefore, it can reflect the process of blood coagulation by measuring the electrical resonance frequency.

实验采用了液体谐振测量装置来测量血浆的电谐振频率，测量系统包括待测溶液，指叉型传感器，振荡电路，SP312等精度频率检测仪，USB数据传输，PC机数据显示以及相应的上位机软件部分组成。

Finally, the intelligent Heat Meter base on MSP430 MCU was tested primarily by experiment according to , The Intelligent Heat Meter is up to the mustard. The power supply is lithium battery with 3.6V, it will work incessancy exceed 8 years.

本文研究的智能热量表实现了对供热系统中流量、温度、热量的测量；LCD显示热量、流量、温度等信息；电源停止供电时保存所有数据，恢复供电后正常计量；与上位机的通信，接收、发送上位机所需的数据信息等功能。

This paper addresses high speed communication solution between 16 bit microcontroller?based data acquisition system and PC/AT compatible computer. After 16 bit Industry Standard Architecture peripheral interface of PC is analysed, a 16 bit parallel communication card is developed with three kinds of optional modes: poll, interrupt and DMA.

为了解决单片机数据采集系统与PC机之间大数据量交换时的低速问题，剖析了目前广为流行的PC／AT兼容机ISA通道的16位I／O接口原理，并通过细致的电路设计，开发了一种通用性很强的高速16位并行通讯插卡，且使用了3种可选的通讯方式，即查询、中断和DMA。

This paper p resents an automatic transfer method and its engineering implementation for the different data types in the ARCnet industrial network data package transfer

在以ARCnet工业网络为基础的分布式主汽温、再热汽温自适应控制系统的网络数据包通信中，网络数据包以字节方式传送，而控制站与监控站上位机之间以浮点数方式交换数据信息为解决这一问题，文章给出了数据包在ARCnet工业网络的传递中实现不同数据类型自动转换方法及工程实现

the digitized mapping technique is to combine the field data collection system with the computer assisted mapping system in surveys by computer technology.it aims to realize the information collected and processed digitally and automaticaity.the digitized mapping technique can cut short the working time,lighten the labor intensity and enhance the precision of the productions.the system consists of three parts,such as data input,data processing and data output.the survey-record digitized mapping technique is widely used in the digitized mapping working pattern.for its superiority over traditional plane-table mapping in accuracy and efficiency,the large scale digital mapping is becoming more and more popular.compared with traditional analogue mapping,digital mapping has more quality control pivotai points,and its contents and methods are more complex.with the appearance of new technology gps ,the coordinate of different levels controlling points may be surveyed in high precision and it has been applied widely in topographic survey.the operation process of gps electronic tachometer is introduced and its application in topographic survey is br

计算机应用论文，计算机论文， rtk ，全站仪，数字测图，地形测量， gps论文摘要：数字测图是在测量工作中利用电子计算机技术将野外数据采集系统与内业机助制图系统相结合，其目标是实现信息采集处理的数字化、自动化、信息化。数字测图可以缩短作业时间，减轻劳动强度，提高成果精度。数字测图系统主要由数据输入、数据处理和数据输出3部分组成，数字测图作业模式中测记式数字测图应用最为广泛。大比例尺数字测图正以其测图精度高，成图速度快等优势逐步的取代传统的，以平板仪为主的模拟测图。与传统的模拟测图相比，数字测图的质量控制关键点更多、内容与方法更为复杂。gps 新技术的出现，可以高精度并快速地测定各级控制点的坐标，在地形测量中已得到广泛地应用。本文介绍了gps 配合全站仪的作业流程，简要阐明了其在地形测量中的应用。在利用实测数据成图的过程中，解决一些常见的问题，并给出解决的办法及依据，同时给出一些有益的结论，以适应实际使用的需要。

The method controls a whole operation process mainly through a PC, wherein the PC transmits a preset polarity parameter and an electric testing parameter to a PCI control module, and a light test parameter to a light test module, while the PCI control module transmits corresponding parameter signal to a polarity detection module and an electric test module; moreover, a fixture is started to carry out parameter testing, and then the data tested by the fixture is transmitted to the PC.

本发明主要是通过PC机来控制整个操作过程，其中PC机把预设极性参数、电测试参数传输给PCI控制模块，和由PC机把光测试参数传输给光测试模块，而PCI控制模块再把相应的参数信号传输给极性检测模块和电测试模块，并启动夹具进行参数测试，再把由夹具测试所得数据传输给PC机。

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。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。