文档介绍：数字信号处理基础
安 冬
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第一章 数字信号处理概述
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FIGURE 1-1 Applications of DSP.
Joyce Van de Vegte Fundamentals of de Vegte Fundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-3 Black and white image. ©Snap-.
Joyce Van de Vegte Fundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de Vegte Fundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de Vegte Fundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de Vegte Fundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-4 Four frames from high-speed video sequence. “ Vision Research, Inc., Wayne, NJ., USA.
Joyce Van de Vegte Fundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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FIGURE 1-11 A/D and D/A conversion.
Joyce Van de Vegte Fundamentals of Digital Signal Processing
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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数字信号处理的理论部分：
指人们为了得到满足需要的信号形式而对数字化的信号进行处理的数学原理、方法和手段。信号处理的内容包括：变换、滤波、检测、谱分析、估计、压缩、识别等。
数字信号处理以1965年 Cooley-Turkey在《计算数学》上发表的“用机器计算复序列傅里叶级数的一种算法”－“FFT”为标志开始形成并发展的。在40年的时间里，数字信