数字计算机

In the process of processing the digital images, a modified, easy and valid algorithm between global binarization and local binarization are researched in case that the processing objects are specific in this paper. Digital images algebraic operation and guide line for wiping the discrete offending points are confirmed. Not only the program that can realize the algorithm but also handling system is built. The applicability that the relative processing method is used to solve the practical application problems is discussed.

本文在对采集到的数字图像进行计算机处理的过程中，针对所处理对象的特殊性，研究了便于处理且有效的融合全局二值化和局部二值化思想的改进的图像二值化处理方法和算法；确定了在比较复杂的背景下提取有用的前景信息的数字图像代数运算方法和离散干扰点的去除判别准则，并编写程序实现了这一算法，建立了比较有效快速的处理系统；探讨了相关处理方法在解决实际应用问题时的适用性。

Computers work not only with numbers, but with alphanumeric data -names, words, stock numbers.

计算机工作不仅与数字，但字母数字数据的名称，文字，股票号码。

American Standard Code for Information Interchange. It's the most popular coding method used by small computers for converting letters, numbers, punctuation and control codes into digital form.

美国信息交换标准码，小型计算机最常用的编码方法，用于将字母、数字、标点符号以及控制码转换成数字形式。

In this article, an automatic elliptic pore size measuring system is developed based on digital image processing techniques, in which, CCD camera grabs the microscopic image of to-be-measured end surface, video image grabber digitizes it and computer processes it by way of digital image processing and gives the result.

本文研制了基于数字图像处理的椭圆型孔径自动检测系统，它由CCD摄像机采集被测端面的显微图像，视频图像采集板将其数字化，计算机利用数字图像处理技术进行处理给出结果。

Firstly, oscilloscope control system based on GPIB technique is presented with friendly operation environment to the HIFU system, and it uses multithreading technique in programming to realize real-time recording and display of the signal; Secondly, temperature collection and data recording system is designed, which also could get real-time recording and display of the 16 channel temperature signal, and it's believed to be of great use for further experiments of the HIFU system; Thirdly, multiple ultrasonic phased array's phase shifter is designed,which could provide 8-bit phase control in a range of frequency where the centrical frequency is 1MHZ. Fourthly, the module of serial communication is realized to insure the communication between devices and computer, including both synchronous and asynchronous communication, which enables the system to transfer data reliably and stably; Finally, the module of digital quantity control is accomplished, which provide for upper application the consistent solution to the control of exterior devices via digital interface. It can get or set the devices state using interrupt mode to receive input signal or send output signal.

主要有以下几个方面：设计了基于GPIB的示波器控制系统，给课题的研究工作提供了一个良好的环境，它采用了多线程编程的方法，能够较好的实时显示当前波形并记录数据；设计了温度采集和数据记录系统，能够对16路温度信号进行并行同步的实时采集，用于HIFU剂量学研究中温度场检测和医疗评价；设计了相控阵相位延时电路并且通过调试，满足了课题的相位控制的要求，在中心频率为1MHZ左右的频率范围内都能够达到8-bit相位控制；实现了串口通讯模块，为各项设备与计算机之间的通讯提供保证，它提供同步和异步的通讯能力，使系统能够可靠稳定的传输数据；建立了数字量控制模块，为上层应用程序提供一致的方法使用数字接口控制外部仪器，它使用中断的方式来接收输入或输出设定的开关量信号，从而得到或设定各种仪器的状态。

As the packet is being received, the receiving computer goes through the same algorithm, and if the check digit it comes up with is the same as the one received, all is well.

当接收到数据包时，接收方计算机仔细检查相同算法，如果检验数字与接收到的数字相同，那么表明接收正确。

This text to 1 kind from calculator automatically control and carry on the electronics dollar that the data collect a spare part a total quantity Fu to shine on the spot test system to carry on pulling a description, and pass application that system to the CMOS numerical electric circuit CC4069 carry on with total the amount of synchronous electricity parameter's on-line diagraph, and radiate a quickly collect of the countermarch fire data, study pull CMOS numerical electric circuit a total quantity Fu shine on on-line Fu to shine on to respond to characteristic and Fu to shine on behind fast time back a fire effect.

本文对一种由计算机自动控制并进行数据采集的电子元器件总剂量辐照现场测试系统进行拉描述，并通过应用该系统对CMOS数字电路CC4069进行与总剂量同步的电参数在线测量，以及辐射后退火数据的快速采集，研究拉CMOS数字电路总剂量辐照在线辐照响应特性和辐照后快速时间退火效应。

Laser refabrication is a kind of advanced technology. It combines mechanical engineering, optics, electron, computer, sensor technology, material and other subjects with laser cladding.

激光再制造是一门高精尖的技术，它综合了激光熔覆、计算机辅助设计/计算机辅助制造、计算机数字控制、物理、化学、材料等学科领域的先进成果，解决了传统加工工艺中的许多难题。

There is no definition of the electronic evidence provided by laws, and the electronic evidence discussing here is computer evidence, which is generated in the operating process of computer or network system, stored as digital format in the computer memory or external storage medium, and testifying the facts by its digital data or information. It is manifested as E-mail, electronic bulletin board, electronic document, electronic signature, electronic chatting record, web-page, web-video, database, etc.

我国法律法规对电子证据并无定义，本文探讨的电子证据是指计算机证据，即在计算机系统或者网络系统运行过程中产生的、以数字形式保存在计算机存储器或外部存储介质中、能够证明案件真实情况的电子数据或信息，其表现为电子邮件、电子公告板、电子文档、电子签名、电子聊天记录、网页、网络视频、数据库等多种形式。

Coming in with the computer, it has been a hot spot, in computer vision and digital photogrammetry, which obtaining the information of geometry and texture of the shot objects by the technologies of computer image processing and projective geometry. And camera calibration is one of the most important contents.

随着计算机的出现，通过计算机图像处理和射影几何获取被摄物体几何以及纹理信息已经成为了数字摄影测量与计算机视觉界的研究热点，而相机标定则是其中最重要的内容之一。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。