数字化

DS18B20 use of the design of digital temperature sensors measure ambient temperature, can provide temperature signals in the four-way acquisition.

本设计中利用 DS18B20 数字化温度传感器测量环境温度，可提供4路温度信号的采集。

The development direction changed direction according to the four-wheeler, the domestic and international company changes direction organization to control to the four-wheeler currently main adoption of is a numeral control, this is owing to a lot of advantages of numerical control:the procedure turn a control, the controller carries on the processing of operation and numerical information according to the control regulation designed, mainly passing procedure to carry out, if change control regulation need to change software, but need not change the hardware structure of system: control the accuracy is high, in the emulation the control the system, the accuracy of the controller from the accuracy of the component but settle, numerical controller accuracy from word long decision;Stability good;The software replies to use, needing a hardware environment of using the homology realization in the emulation the system, the numerical controller is a procedure control, the sub- procedure mold piece which need to be designed and write to carry out its model, can immediately carry out several links of functions expediently.

目前各个厂家大多采用的是PLC、单片机应用于四轮转向控制器中，功能基本能够实现，相比较之下，信号处理能力较强的数字信号处理器各方面均性能优于以上三种处理器。DSP是新世纪数字化革命的核心。它是一种独特的微处理器，具有可编程性，且实时运行速度远远超过通用微处理器。强大的数据处理能力和高速的运行速度，是DSP最值得称道的两大特色。DSP芯片是一种特别适合进行数字信号处理的微处理器。它强调运算处理的实时性，因此除了具备普通微处理器所强调的高速运算和控制功能外，主要针对实时数字信号处理，在处理器结构、指令系统和数据流程上做了很大的改动。它具有灵活、精确、可靠性好、体积小、功耗低和易于大规模集成等优点。

The key techniques relating to machine vision are also explained in detail, for example, illuminating resource, optical lens,camera, image frame grabber,image processing card,integrated vision unit and so on.

一个典型的工业机器视觉应用系统包括光源、光学系统、图像捕捉系统、图像数字化模块、数字图像处理模块、智能判断决策模块和机械执行模块，如图1所示[1]。

Raster To Vector converter is the most powerful and absolutely free solution for digitizing vector data from image sources.

光栅矢量转换，是最有力的和完全免费的解决方案，数字化矢量数据，从形象的来源。

Digitlzing graphics,full-motion video and sound produce enormous quantltles of data.

数字化图像，全动态视频和声音的过程中产生巨大量的数据

Full-motion, digitized and uncompressed video requires a data transfer rate of roughly 270M bit/sec.

全活动、数字化和未压缩的视频需要大约270兆位/秒的数据传输率。

At last, 2KVA - experimental prototypes of AC power supplies of multiple-loop analog and digital control system have been made. Fast dynamic response and load compatibility have been verified by the experiment of step change in the load and under rated full-wave diode bridge rectifier load.

最后各研制了一台2KVA的多环模拟控制系统逆变电源实验样机和数字化控制系统逆变电源实验样机，切换负载实验和负载适应性实验分别验证了逆变电源系统具有良好的动态性能和负载适应性。

After discussing the methods of 3D surface reconstruction, this paper provides a easy way to solve the problem of contour furcation. To meet the requirements of CT-simulation, a fast variable step-size based algorithm for digitally reconstructed radiographs is presented.

对三维形体重建技术作了详细的讨论，针对表面重建过程中轮廓线分叉问题，提出了一个简单的解决方法；针对CT模拟技术应用的需要，提出了一种基于可变步长的数字化重建放射图像快速生成方法；同时提出了一种改良的正向剂量计算方法。

" Digitlization lives " it is the about futurology book that this technologist writes emperor of Ni Geluo Pang, his description is to be based on his to be in MIT(Masschusetts Institute of Technology) those things that media lab plays all the day, for instance multimedia computer, for instance the graph changes an interface.

数字化生存》是尼葛洛庞帝这个技术专家写的关于未来学的书，他的描述是基于自己在MIT媒体实验室整天玩的那些东西，比如多媒体电脑，比如图形化界面。

The system adopts modified space vector pulse width modulating strategy to realize digital system and improve the using rate of generatrix voltage.

海军 92830 部队计量站，海南海口 570203 一种基于DSP的全数字异步电机弱磁控制的设计，系统采用改进的空间矢量脉宽调制策略以实现全数字化系统，以及提高母线电压的利用率。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。