查询词典 digital control

Fast Fourior Transform plays an important roll in digital signal processing,its the kernel algorithm in a lot of process for signal processing.this paper first summarizes many algorithm for Fast Fourior Transform that in common use and synthesizes many reasons to adopt the radix-2 Demation-in-Frequency algorithm,then it compares two ways of implementing digital signal processing,the two ways are in field-programmable gata array and in programmable digital signal processor respectively.it points out the advantage and disadvantage of two ways.

快速傅立叶变换是数字信号处理中的重要内容之一，是很多信号处理过程中的核心算法。本文先总结了快速傅立叶变换的一些常用算法，并综合种种因素，采用了基2按频率抽取算法作为实现算法，然后将以现场可编程门阵列和以DSP处理器这两种实现数字信号处理的方式进行了比较，指出了各自的优点和不足之处。

With digital, intelligent and networked in business card printing and membership card industry generalizable, Business card printing and membership card manufacturing process gradually from analog to digital direction, thereby beginning digital business card printing and membership card making to come.

随着数字化、智能化、网络化在制卡和会员卡制作领域的普及应用，制卡和会员卡制作工艺逐渐从模拟化向数字化方向发展，从而拉开了数码制卡和会员卡制作的序幕。

We look forward to the digital business card printing and membership card making the arrival of the new millennium, ink-jet technology because they will have no version, nonpressure, digital files, system stability, substrate features: wide, with its own technology to improve, in the digital environment, is showing very strong momentum of development.

我们等待着数字化制卡和会员卡制作新纪元的到来，喷不朱技艺由于其无版、无不抬、拔取数字文件、编制处事安定、承印物普及等特点，陪同其自身技艺的不停美满，在数字化不小境况下，侧表现不入极其强劲的成长势脚。

Digital signatures provide solutions for problems in the Internet such as identity authentication, data integrity and nonrepudiation. So digital signature technique has been studied widely, and various digital signature schemes suit for special cases have been proposed.

数字签名为网络环境下的身份认证题目、数据完全性题目、不可否认性等题目提供了可行的解决计划，因此数字签名得到普遍研讨，多种适用于特殊情形的数字签名被提出，群签名就是其中很主要的一种。

The digital map input and maintenance subsystem performs format conversion,editing and updating of spatial data;the rail-track video playing subsystem uses video recording as reference data,then plays,inquires and traces the corresponding frames in synchronous to the scaled mileage,realizing the query of the active picture frames;the digital map query subsystem fulfills the map query,preview and spelling of digital map orthograph.

其中，地形图输入与维护实现了数字地图的格式转换、编辑处理以及空间数据的更新操作，解决了不同格式空间数据的互相转换问题；线路录象播放将线路录像数据作为系统的一种索引数据，活动影像的画面与里程相对应，实现了基于线路录像的播放、查询和检索的功能，实现了基于活动画面的查询检索功能；数字地图子系统完成了图形查询、数字地图与线路正射图像浏览、图幅拼接等功能。

It attempts to identify the true owner by hiding perceptually invisible information inside the digital data. In this thesis, for the purpose of protecting the Intellectual Property Rights of digital images, a Discrete Wavelet Transform based digital watermark algorithm is described.

在这个背景下，如何防止具有版权的数字数据在未经允许的情况下，被非法的使用或是传播，这就提出新的研究的课题：就是如何运用现有的理论和技术，更好的解决数字产品所有者的合法权益的保护问题。

The results:(1) The superiornutrient artery to the skin in the dorsum of the finger was the cutaneous branches of the proper palmar digital artery, the dorsal digital artery was short and small, taking part in the blood supplies of the dorsal digital skin of the proximal phalanges.

结果显示：①手指背侧的皮肤主要由指掌侧固有动脉的背侧分支供应，该指背动脉短小，只参与指背近节皮肤的血液供应。

Firstly, this paper introduces the principle of digital modulation and digital demodulation simply, as well as the method and the principia of measuring digital modulation signal.

其次，详细讨论了矢量信号分析技术，给出了信号分析的一般模型和一些具体的测量分析方法，总结了矢量信号的测量方案和解调分析的原理框架。

A simple digital device for detecting human balance function is described. The device acquires data of a shaking body of quizzee using a micro sensor for measuring rotator, transforms the data into digital pulse signal, and displays the metrical results through digital display and an audio annunciator.

一种用于人体平衡功能检测的简易式数字检测系统，它通过旋转型传感器采集被测人体的晃动信息，并转化成数字脉冲信号，配合数字显示和声音报警来显示检测结果。

Is located in the Wisconsin Hartland in Commercial Communications company is the only digital business card printing and membership card equipment as a company, people who form the backbone of the company's image and compared to dynamic by using the digital amārah of offsctdruckereien items'choice of the car, they nearly offset printing business with digital business card printing and membership card produced.

3位于威斯康星州哈特兰市的Commercial Communications公司是独一不兵数字制卡和会员卡制息摆设息为主力的公司，人们把该公司现象不不天比方为用数字的马拉不静胶印的车，他们承接的胶印交易根基都拔取数字制卡和会员卡制息达不败。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。