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[样章] 《数字信号处理教程——MATLAB释义与实现(第3版)》序

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发表于 2014-7-10 13:11:05 | 显示全部楼层 |阅读模式
本帖最后由 zhanggx 于 2014-7-10 15:01 编辑

第3版序
本书自2004年出版以来,受到学术界和工程界的广泛好评。主要原因在于它是国内第一本用计算机作为解题和演示工具的信号处理教材,并且非常强调物理意义和实际应用。但我们发现,购买本书的多为教师和工程师,本科院校选择它作为教材的还不够多。其原因可能有二:一是相当多大学的三年级学生还没有MATLAB的基础;二是这本教材的内容相对于本科的教学要求还有些偏多偏深,上次修订时就有过予以精简的设想,但没有实施。
随着时间的推移,全国各个大学对科学计算语言日益重视。2009年,教育部高教司推行了“利用信息技术工具改造课程项目”,推动了许多大学课程的计算机化。有的学校在大一的线性代数、物理等课程以及大二的力学、电路、信号与系统等课程中开始讲授和使用MATLAB语言,这些学生到了大三时已经有了初步的MATLAB编程能力,推广这本教材也就有了较好的基础。逐渐地有更多学校的老师希望使用这本书做教材,建议我们按普及知识的思路对本书进行改编,这促进了我们进一步修订的决心。
此次修订中,我们保留了所有讲述基本概念的文字、程序和图形,更加注意上下文的衔接,自始至终运用MATLAB程序阐述问题,提供了其他教材没有的图形、曲线和动画。全书提供了演示程序、例题程序、解题子程序近160个,与前两版相差不多。书中仍用大小两种字号排版,并附有大量思考题和习题,便于读者按先简后繁的次序循序渐进地阅读。书中采用的大小两种字号中,小字属于可以不学的次要内容,便于学生自学时跳过。作为基本要求,全书用大字印刷的内容不到200页。如果学生有了初步的MATLAB语言基础,在本科教学计划时间内掌握本书所讲内容应该是不困难的。
这一版的程序集取名为dsk04t。实际上该版的程序都包含在前两版的程序集中。例题程序名原来是按例题编号取的,由于例题的减少,会造成编号的变化,遇到这种情况,我们将按新的编号确定程序名,并在后面加一个字母“t”,以免与以前的程序名混淆。例如原来的例3.2.4,原有的程序名为hc324,在修订版中其编号变为了例3.2.2,在程序集dsk04t中它的程序名就改为hc322t,不过这种情况不多,绝大多数例题程序的编号都没有变化。
本书的程序集和相关课件等教学资料可从下列网址中找到并下载
(1)本人主页:http://chen.matlabedu.cn
(2)出版社网站:http://www.broadview.com.cn/20983
此次修订由我和江西理工大学的柴政老师合作完成。柴政老师用此书教了多届学生,对学生的知识掌握情况比较了解,因此由他根据历年的教学经验提出修订方案,经我们统一讨论后,由柴政老师提供修订初稿,再由我复核修改。
我的电子邮件地址为:hchchen1934@vip.163.comhchchen@xidian.edu.cn,柴政老师的电子邮件地址为:chaizheng0924@163.com,欢迎读者朋友向我们提出对教材的建议。
电子工业出版社对本书的修订给予了大力支持,编辑张国霞做了大量的工作,我们谨表谢意。

西安电子科技大学 陈怀琛
2013年6月


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发表于 2018-6-27 23:40:56 | 显示全部楼层

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