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📁 上海交通大学DSP学习的经典教程 文档为HTML格式,循序渐进,方便学习 本人从中收益菲浅,拿来共享
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<html><head><title>饮水思源精华区</title><Content-type: text/html; charset=gb2312><link rel=stylesheet type=text/css href="bbsdl.css"></head><table cellspacing=0 class=title width=90%><th class=title align=left width=20%>饮水思源站</th><th class=title align=center width=60%>文章阅读</th><th class=title align=right width=20%>精华区离线浏览</th></tr></table><hr><table align=center cellspacing=1 class=doc><tr><td>发信人:&nbsp;fangf&nbsp;(方方),&nbsp;信区:&nbsp;DSP<br>标&nbsp;&nbsp;题:&nbsp;数字信号处理的过去,现在和未来(二)&nbsp;<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;17:52:40&nbsp;1999)&nbsp;,&nbsp;站内信件<br>----&nbsp;数&nbsp;字&nbsp;信&nbsp;号&nbsp;处&nbsp;理&nbsp;的&nbsp;理&nbsp;论&nbsp;与&nbsp;技&nbsp;术&nbsp;已&nbsp;日&nbsp;趋&nbsp;成&nbsp;熟，&nbsp;数&nbsp;字&nbsp;信&nbsp;号<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;处&nbsp;理&nbsp;的&nbsp;应&nbsp;用&nbsp;领&nbsp;域&nbsp;几&nbsp;乎&nbsp;涵&nbsp;盖&nbsp;了&nbsp;国&nbsp;民&nbsp;经&nbsp;济&nbsp;和&nbsp;国&nbsp;防&nbsp;建&nbsp;设&nbsp;的&nbsp;所&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;有&nbsp;领&nbsp;域，&nbsp;包&nbsp;括&nbsp;雷&nbsp;达、&nbsp;航&nbsp;天、&nbsp;声&nbsp;呐、&nbsp;通&nbsp;讯、&nbsp;海&nbsp;洋&nbsp;高&nbsp;技&nbsp;术、&nbsp;微&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;电&nbsp;子、&nbsp;计&nbsp;算&nbsp;机、&nbsp;人&nbsp;工&nbsp;智&nbsp;能、&nbsp;消&nbsp;费&nbsp;电&nbsp;子&nbsp;等。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;信&nbsp;号&nbsp;的&nbsp;数&nbsp;字&nbsp;化&nbsp;处&nbsp;理&nbsp;包&nbsp;括&nbsp;两&nbsp;个&nbsp;步&nbsp;骤，&nbsp;一&nbsp;个&nbsp;是&nbsp;信&nbsp;号&nbsp;在&nbsp;时<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;间&nbsp;上&nbsp;的&nbsp;离&nbsp;散&nbsp;化，&nbsp;即&nbsp;采&nbsp;样；&nbsp;另&nbsp;一&nbsp;个&nbsp;是&nbsp;幅&nbsp;度&nbsp;上&nbsp;的&nbsp;离&nbsp;散&nbsp;化，&nbsp;即&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;分&nbsp;层。&nbsp;数&nbsp;字&nbsp;化&nbsp;之&nbsp;后&nbsp;的&nbsp;信&nbsp;号，&nbsp;将&nbsp;全&nbsp;部&nbsp;变&nbsp;为01&nbsp;序&nbsp;列，&nbsp;这&nbsp;就&nbsp;使&nbsp;得<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;信&nbsp;息&nbsp;的&nbsp;采&nbsp;集、&nbsp;存&nbsp;贮、&nbsp;传&nbsp;输、&nbsp;复&nbsp;制、&nbsp;加&nbsp;工&nbsp;异&nbsp;常&nbsp;方&nbsp;便。&nbsp;所&nbsp;以&nbsp;信<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;号&nbsp;的&nbsp;数&nbsp;字&nbsp;化&nbsp;处&nbsp;理&nbsp;推&nbsp;动&nbsp;了&nbsp;各&nbsp;应&nbsp;用&nbsp;领&nbsp;域&nbsp;的&nbsp;发&nbsp;展，&nbsp;并&nbsp;成&nbsp;为&nbsp;这&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;些&nbsp;领&nbsp;域&nbsp;的&nbsp;最&nbsp;重&nbsp;要&nbsp;的&nbsp;技&nbsp;术&nbsp;支&nbsp;撑。&nbsp;反&nbsp;过&nbsp;来，&nbsp;各&nbsp;应&nbsp;用&nbsp;部&nbsp;门&nbsp;对&nbsp;数&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;字&nbsp;信&nbsp;号&nbsp;处&nbsp;理&nbsp;的&nbsp;新&nbsp;要&nbsp;求&nbsp;又&nbsp;促&nbsp;使&nbsp;信&nbsp;号&nbsp;处&nbsp;理&nbsp;理&nbsp;论&nbsp;与&nbsp;技&nbsp;术&nbsp;的&nbsp;发&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;展，&nbsp;包&nbsp;括&nbsp;分&nbsp;层&nbsp;的&nbsp;压&nbsp;扩&nbsp;技&nbsp;术，&nbsp;采&nbsp;样&nbsp;和&nbsp;抽&nbsp;取&nbsp;技&nbsp;术，&nbsp;数&nbsp;字&nbsp;滤&nbsp;波&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;理&nbsp;论，&nbsp;快&nbsp;速&nbsp;富&nbsp;利&nbsp;叶&nbsp;变&nbsp;换（FFT）、&nbsp;数&nbsp;字&nbsp;图&nbsp;象&nbsp;处&nbsp;理、&nbsp;模&nbsp;式&nbsp;识&nbsp;别<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;、&nbsp;专&nbsp;家&nbsp;系&nbsp;统、&nbsp;宽&nbsp;带&nbsp;通&nbsp;讯&nbsp;网&nbsp;络、&nbsp;多&nbsp;媒&nbsp;体&nbsp;技&nbsp;术&nbsp;等&nbsp;等。&nbsp;<br><br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;数&nbsp;字&nbsp;信&nbsp;号&nbsp;处&nbsp;理&nbsp;技&nbsp;术&nbsp;的&nbsp;这&nbsp;种&nbsp;高&nbsp;速&nbsp;发&nbsp;展&nbsp;和&nbsp;对&nbsp;其&nbsp;它&nbsp;领&nbsp;域&nbsp;的<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;广&nbsp;泛&nbsp;渗&nbsp;透&nbsp;无&nbsp;疑&nbsp;得&nbsp;益&nbsp;于70&nbsp;年&nbsp;代&nbsp;以&nbsp;来&nbsp;微&nbsp;电&nbsp;子&nbsp;技&nbsp;术&nbsp;的&nbsp;发&nbsp;展。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----1971&nbsp;年&nbsp;英&nbsp;特&nbsp;尔&nbsp;公&nbsp;司&nbsp;推&nbsp;出&nbsp;了&nbsp;第&nbsp;一&nbsp;个&nbsp;微&nbsp;处&nbsp;理&nbsp;芯&nbsp;片4001，&nbsp;其&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;功&nbsp;能&nbsp;大&nbsp;体&nbsp;上&nbsp;和&nbsp;世&nbsp;界&nbsp;上&nbsp;第&nbsp;一&nbsp;台&nbsp;电&nbsp;子&nbsp;计&nbsp;算&nbsp;机ENIAC&nbsp;相&nbsp;当。&nbsp;此&nbsp;后<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;，&nbsp;微&nbsp;处&nbsp;理&nbsp;芯&nbsp;片&nbsp;的&nbsp;发&nbsp;展&nbsp;就&nbsp;异&nbsp;常&nbsp;迅&nbsp;速，&nbsp;它&nbsp;基&nbsp;本&nbsp;上&nbsp;遵&nbsp;从&nbsp;所&nbsp;谓&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;的&nbsp;摩&nbsp;尔&nbsp;定&nbsp;律，&nbsp;这&nbsp;就&nbsp;是&nbsp;微&nbsp;处&nbsp;理&nbsp;芯&nbsp;片&nbsp;每&nbsp;隔18&nbsp;个&nbsp;月&nbsp;性&nbsp;能&nbsp;提&nbsp;高&nbsp;一<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;倍、&nbsp;价&nbsp;格&nbsp;降&nbsp;低&nbsp;到&nbsp;原&nbsp;来&nbsp;的1/2，&nbsp;摩&nbsp;尔&nbsp;博&nbsp;士&nbsp;是&nbsp;英&nbsp;特&nbsp;尔&nbsp;公&nbsp;司&nbsp;的&nbsp;创&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;始&nbsp;人&nbsp;之&nbsp;一，&nbsp;他&nbsp;在1973&nbsp;年&nbsp;提&nbsp;出&nbsp;了&nbsp;这&nbsp;一&nbsp;观&nbsp;察&nbsp;结&nbsp;果。&nbsp;但&nbsp;是&nbsp;据&nbsp;他&nbsp;自<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;己&nbsp;说，&nbsp;早&nbsp;在1964&nbsp;年&nbsp;他&nbsp;还&nbsp;在&nbsp;仙&nbsp;童&nbsp;公&nbsp;司&nbsp;工&nbsp;作&nbsp;时&nbsp;就&nbsp;已&nbsp;注&nbsp;意&nbsp;到&nbsp;这&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;一&nbsp;事&nbsp;实&nbsp;了。1997&nbsp;年&nbsp;摩&nbsp;尔&nbsp;又&nbsp;在&nbsp;美&nbsp;国IEEE&nbsp;杂&nbsp;志&nbsp;上&nbsp;重&nbsp;新&nbsp;公&nbsp;布&nbsp;了&nbsp;他<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;的&nbsp;手&nbsp;稿。&nbsp;对&nbsp;自&nbsp;己&nbsp;这&nbsp;一&nbsp;定&nbsp;律&nbsp;深&nbsp;信&nbsp;不&nbsp;疑。&nbsp;我&nbsp;们&nbsp;现&nbsp;在&nbsp;还&nbsp;很&nbsp;难&nbsp;预<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;言，&nbsp;这&nbsp;一&nbsp;定&nbsp;律&nbsp;能&nbsp;够&nbsp;有&nbsp;效&nbsp;的&nbsp;时&nbsp;间&nbsp;究&nbsp;竟&nbsp;有&nbsp;多&nbsp;长，&nbsp;因&nbsp;为&nbsp;已&nbsp;经&nbsp;有<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;科&nbsp;学&nbsp;家&nbsp;认&nbsp;为，&nbsp;从&nbsp;固&nbsp;体&nbsp;物&nbsp;理&nbsp;学&nbsp;的&nbsp;基&nbsp;本&nbsp;理&nbsp;论&nbsp;来&nbsp;看，&nbsp;芯&nbsp;片&nbsp;的&nbsp;线<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;宽&nbsp;是&nbsp;有&nbsp;限&nbsp;制&nbsp;的，&nbsp;从&nbsp;而&nbsp;微&nbsp;处&nbsp;理&nbsp;芯&nbsp;片&nbsp;的&nbsp;性&nbsp;能&nbsp;提&nbsp;高&nbsp;就&nbsp;受&nbsp;到&nbsp;限<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;制。&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;<br>--<br>-----------------------------------------------<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;因一个词的力量<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我重新开始生活<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我生来就认识你<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;要把你称作<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;自由<br><br>※&nbsp;来源:·饮水思源站&nbsp;bbs.sjtu.edu.cn·[FROM:&nbsp;202.120.8.3]<br></tr></table><br><caption 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