查询词典 binary digital computer

Direct digital waveform synthesizer is a digital method that the radar signal is generally generated.The error resource of DDWS is presented.The principle that signal is reconstructed in digital-to-analog converters is analyzed in the DDWS structure.

介绍了直接数字波形合成(direct digital waveform synthesizer，DDWS)的误差来源，分析了DDWS结构中其数模转换器信号重构机理，比较研究了DAC信号重构误差对输出信号脉冲压缩结果的影响。

Digital clock is a kind of modern calculagraph which is composed of digital integrated circuit and can show decimal digital. Compared with mechanical clock, it is exact and can be see frankly. It is very popular in some public places, such as station, airport.

数字钟是用数字集成电路构成的、用数码显示的一种现代计时器，与机械表比，它走时准、显示直观、无机械传动装置等特点，广泛应用于车站、码头、机场等公共场所。

Through the experiment, carries on the appraisal with the different digital image quality evaluation method to the digital mapping cameral image quality, obtain some image quality situation like uniformity gradient、entropy、 MTF and so on under the different appraisal target Through this topic research I have a system understanding to the quality evaluation of digital mapping cameral image .

通过实验，用不同的数码影像质量评价方法对数码航摄影像质量进行评价，获得在像元均匀梯度、信息熵、MTF等不同评价指标下的影像质量情况。通过本课题的研究使我对数码航摄仪影像质量评价有一个系统的了解。

This thesis is one component of the study on the digital camera integrity and keytechnologies which is the key project of Chongqing Information and IndustryAdministration. The focus is to study the digital camera integrity based on DSC21 andCF card file system development concerned with conformity, JPEG code and decodearithmetic as well as its realization on the platform of DSC21.The study on the system of digital cameral hardware based on TMS320DSC21 andthe software are main contents of this paper.

本文作为重庆市信息产业局科技攻关项目&数码相机整机及关键技术研究&的一部分，主要开展了基于TMS320DSC21(简称DSC21)的数码相机整机系统集成研究，重点进行了CF 卡文件系统开发和JPEG 编解码算法及其在DSC21 平台上的实现。

Through the experiment, carries on the appraisal with the different digital image quality evaluation method to the digital mapping cameral image quality, obtain some image quality situation like uniformity gradient、entropy、 MTF and so on under the different appraisal target Through this topic research I have a system understanding to the quality evaluation of digital mapping cameral image .

通过实验，用不同的数码影像质量评价方法对数码航摄影像质量进行评价，获得在像元均匀梯度、信息熵、MTF等不同评价指标下的影像质量情况。通过本课题的研究使我对数码航摄仪影像质量评价有一个系统的了解。：数码航摄仪，数字影像，质量评价

objectiveto explore the application of carpometacarpal superficial vein graft in the digital replantation.methodthirty cases hospitalized in our hospital from january 2004 to october 2008 were dealed with vessel defect in the digital replantation by carpometacarpal superficial vein graft.resultsthe replanted fingers all survived,the appearance and function were good.conclusionusing carpometacarpal superficial vein graft is a good way to deal with vessel defect in the digital replantation.

目的：探讨腕掌侧浅静脉移植在断指再植中的应用。方法：对30例患者采用腕掌侧浅静脉移植处理断指再植手术中的血管缺损。结果：再植手指均成活，外观和功能良好。结论：对于断指再植中血管缺损的处理采用腕掌侧浅静脉移植是一种很好的方法。

It is a network terminal which is connected with digital television; it is used for transforming digital signals to analog signals. After decoding the digital constringent video and audio signals, it will engender analog video and audio signals. Consequently, it can provide high quality television program for audiences.

它是一种与电视机连接的网络终端设备，用于将数字电视信号转换成模拟信号，它通过对数字化压缩的图像声音信号进行解码还原，产生模拟视频和声音信号，以提供给观众高质量的电视节目。

With the analysis of present copyright protection scheme, contrapose the discoverable weakness and deficiency, this paper propose a secure and fair digital copyright protection protocol based on digital watermarking and digital signature.

通过对目前已有的数字版权保护协议的分析，针对发现的弱点和不足，结合数字水印技术和数字签名技术，给出了一个安全的、公平的数字版权保护协议。

With the analysis of present copyright protection scheme, contrapose the discoverableweakness and deficiency, this paper propose a secure and fair digital copyright protectionprotocol based on digital watermarking and digital signature.

通过对目前已有的数字版权保护协议的分析，针对发现的弱点和不足，结合数字水印技术和数字签名技术，给出了一个安全的、公平的数字版权保护协议。

With the development of the internet technology and digital technology, the requirements on information resources are gradually moving from the traditional form to the digital form. The flood of the world wide construction of digital libraries brings increasing attention to the digitalization of informational resources, and brings an international upsurge of the movement to digitalize the informational resources.

随着网络技术和数字技术的发展，人们对信息资源的需求也逐渐由传统形式转变为数字化形式，特别是全球范围的数字图书馆建设的兴起，使得信息资源数字化建设越来越受人们的重视，全球掀起了一场信息资源数字化建设的热潮。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。