数字信号处理.pptVIP

Digital Signal Processing System Anlysis and Design Digital Signal ProcessingSystem Anlysis and Design 作译者：Paulo S.R.Diniz等著 ISBN号：7-5053-8171-7/TN.1702 电子工业出版社 中译本：门爱东等译，ISBN号：7-121-00063-6（2004-7） Digital Signal Processing Chapter 1 Discrete-time system digital Of, relating to, or resembling a digit, especially a finger. 手指的：手指的、与手指有关的或类似手指的 Operated or done with the fingers: 用手指操作或工作的： a digital switch.数字开关 Having digits. 有手指、足趾的 Expressed in digits, especially for use by a computer. 数字的：用数字表示，尤其用在计算机上 Using or giving a reading in digits: 计数的：使用或读出均为数字形式： a digital clock.数字式钟 Signal An indicator, such as a gesture or colored light, that serves as a means of communication.See Synonyms at gesture 信号：一种用作通讯交流手段的指示，比如一种手势或有色的光参见 gesture A message communicated by such means. 信号：用这种手段传达的信息 Electronics An impulse or a fluctuating electric quantity, such as voltage, current, or electric field strength, whose variations represent coded information. 【电子学】 电波：电脉冲或变化的电量，比如电压、电流或电场强度，它们的变化表示着编码后的信息 The sound, image, or message transmitted or received in telegraphy, telephony, radio, television, or radar. 信号：由电报、电话、收音机、电视机或雷达传播或收到的声音、影像或信息 process To put through the steps of a prescribed procedure: 处理，进行：使通过一系列预定程序的各项步骤： processing newly arrived immigrants; received the order, processed it, and dispatched the goods.接待新到的移民；接到订单，进行处理，然后发送货物 To prepare, treat, or convert by subjecting to a special process: 调制，加工处理：通过特殊程序准备、处理或转换： process ore to obtain minerals.加工矿石获取矿物质 Computer Science To perform operations on (data). 【计算机科学】 处理，进程：执行对（数据）的操作 system A group of interacting, interrelated, or interdependent elements forming a complex whole. 系统：组成一个复杂的整体的一组互相作用、互相联系或互相依存的元素 A functionally related group of elements, especially: 系统：一组在功能上互相联系的元素，尤指： The human body regarded as a functional physiological unit. 身体系统：作为一个生理功能单位的人的身体 An organism as a whole, especially with regard to its vital processes or functions. 有机体系统：作为一个整体的有机体，尤指当与它的重要变化过程或作用有