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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(一)&nbsp;<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;17:51:50&nbsp;1999)&nbsp;,&nbsp;站内信件<br>1995&nbsp;年&nbsp;美&nbsp;国&nbsp;麻&nbsp;省&nbsp;理&nbsp;工&nbsp;学&nbsp;院&nbsp;教&nbsp;授、&nbsp;媒&nbsp;体&nbsp;实&nbsp;验&nbsp;室&nbsp;负&nbsp;责&nbsp;人&nbsp;尼&nbsp;葛<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;洛&nbsp;庞&nbsp;帝&nbsp;出&nbsp;版&nbsp;了“&nbsp;数&nbsp;字&nbsp;化&nbsp;生&nbsp;存”&nbsp;的&nbsp;书，&nbsp;引&nbsp;起&nbsp;了&nbsp;美&nbsp;国&nbsp;和&nbsp;世&nbsp;界<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;各&nbsp;地&nbsp;读&nbsp;者&nbsp;的&nbsp;兴&nbsp;趣，&nbsp;他&nbsp;把&nbsp;近&nbsp;二&nbsp;十&nbsp;年&nbsp;来&nbsp;信&nbsp;息&nbsp;领&nbsp;域&nbsp;的&nbsp;数&nbsp;字&nbsp;化&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;革&nbsp;命&nbsp;的&nbsp;丰&nbsp;硕&nbsp;成&nbsp;果&nbsp;以&nbsp;及&nbsp;将&nbsp;要&nbsp;引&nbsp;起&nbsp;的&nbsp;对&nbsp;人&nbsp;类&nbsp;生&nbsp;活&nbsp;的&nbsp;巨&nbsp;大&nbsp;冲&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;击&nbsp;展&nbsp;现&nbsp;在&nbsp;世&nbsp;人&nbsp;面&nbsp;前。1998&nbsp;年1&nbsp;月31&nbsp;日&nbsp;美&nbsp;国&nbsp;现&nbsp;任&nbsp;副&nbsp;总&nbsp;统&nbsp;戈&nbsp;尔&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;在&nbsp;加&nbsp;利&nbsp;福&nbsp;尼&nbsp;亚&nbsp;科&nbsp;学&nbsp;中&nbsp;心&nbsp;作&nbsp;了“&nbsp;数&nbsp;字&nbsp;地&nbsp;球&nbsp;—&nbsp;—&nbsp;认&nbsp;识&nbsp;我&nbsp;们&nbsp;这<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;颗&nbsp;星&nbsp;球”&nbsp;的&nbsp;讲&nbsp;演，&nbsp;提&nbsp;出&nbsp;充&nbsp;分&nbsp;利&nbsp;用&nbsp;数&nbsp;字&nbsp;信&nbsp;息&nbsp;促&nbsp;进&nbsp;社&nbsp;会&nbsp;进&nbsp;步<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;和&nbsp;发&nbsp;展。&nbsp;按&nbsp;他&nbsp;的&nbsp;估&nbsp;算，&nbsp;要&nbsp;把&nbsp;数&nbsp;字&nbsp;地&nbsp;球&nbsp;的&nbsp;所&nbsp;有&nbsp;数&nbsp;据&nbsp;存&nbsp;贮&nbsp;起<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;来，&nbsp;需&nbsp;要&nbsp;拍（1&nbsp;千&nbsp;万&nbsp;亿）&nbsp;字&nbsp;节&nbsp;容&nbsp;量&nbsp;的&nbsp;存&nbsp;贮&nbsp;器。&nbsp;而&nbsp;我&nbsp;们&nbsp;现&nbsp;在&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;能&nbsp;达&nbsp;到&nbsp;的&nbsp;最&nbsp;高&nbsp;级&nbsp;的&nbsp;光&nbsp;盘&nbsp;容&nbsp;量&nbsp;只&nbsp;有&nbsp;吉（10&nbsp;亿）&nbsp;字&nbsp;节&nbsp;级。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----1998&nbsp;年6&nbsp;月1&nbsp;日，&nbsp;江&nbsp;泽&nbsp;民&nbsp;主&nbsp;席&nbsp;在&nbsp;接&nbsp;见&nbsp;中&nbsp;科&nbsp;院、&nbsp;工&nbsp;程&nbsp;院&nbsp;部&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;分&nbsp;院&nbsp;士&nbsp;时&nbsp;也&nbsp;提&nbsp;到&nbsp;了“&nbsp;数&nbsp;字&nbsp;地&nbsp;球”&nbsp;这&nbsp;一&nbsp;概&nbsp;念。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;对&nbsp;于&nbsp;非&nbsp;专&nbsp;业&nbsp;的&nbsp;人&nbsp;士&nbsp;来&nbsp;说，&nbsp;接&nbsp;触&nbsp;数&nbsp;字&nbsp;化&nbsp;信&nbsp;息&nbsp;处&nbsp;理&nbsp;的&nbsp;概&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;念，&nbsp;大&nbsp;多&nbsp;来&nbsp;自&nbsp;消&nbsp;费&nbsp;电&nbsp;子&nbsp;领&nbsp;域，&nbsp;这&nbsp;就&nbsp;是&nbsp;数&nbsp;字&nbsp;音&nbsp;响、&nbsp;数&nbsp;字&nbsp;广&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;播、&nbsp;数&nbsp;字&nbsp;电&nbsp;视、&nbsp;数&nbsp;字&nbsp;移&nbsp;动&nbsp;电&nbsp;话、&nbsp;数&nbsp;字&nbsp;通&nbsp;讯&nbsp;网&nbsp;以&nbsp;及CD、VCD、<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;DVD、&nbsp;微&nbsp;机&nbsp;等&nbsp;众&nbsp;多&nbsp;产&nbsp;品，&nbsp;但&nbsp;是&nbsp;信&nbsp;息&nbsp;领&nbsp;域&nbsp;的&nbsp;数&nbsp;字&nbsp;化&nbsp;革&nbsp;命&nbsp;实&nbsp;际<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;上&nbsp;早&nbsp;已&nbsp;开&nbsp;始。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;根&nbsp;据&nbsp;粗&nbsp;略&nbsp;的&nbsp;估&nbsp;计，&nbsp;人&nbsp;类&nbsp;获&nbsp;得&nbsp;信&nbsp;息&nbsp;的&nbsp;主&nbsp;要&nbsp;来&nbsp;源&nbsp;是&nbsp;听&nbsp;觉<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;（&nbsp;约&nbsp;占5%）&nbsp;与&nbsp;视&nbsp;觉（&nbsp;约&nbsp;占90%），&nbsp;其&nbsp;它&nbsp;还&nbsp;有&nbsp;味&nbsp;觉、&nbsp;触&nbsp;觉&nbsp;及&nbsp;嗅&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;觉&nbsp;等。&nbsp;在&nbsp;六&nbsp;十&nbsp;年&nbsp;代&nbsp;初&nbsp;期&nbsp;之&nbsp;前，&nbsp;对&nbsp;信&nbsp;息&nbsp;的&nbsp;处&nbsp;理&nbsp;方&nbsp;式&nbsp;主&nbsp;要&nbsp;限<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;于&nbsp;模&nbsp;拟&nbsp;方&nbsp;式。&nbsp;它&nbsp;的&nbsp;特&nbsp;点&nbsp;是&nbsp;这&nbsp;种&nbsp;信&nbsp;号&nbsp;在&nbsp;时&nbsp;间&nbsp;上&nbsp;是&nbsp;不&nbsp;分&nbsp;间&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;隔&nbsp;的、&nbsp;在&nbsp;幅&nbsp;度&nbsp;上&nbsp;不&nbsp;分&nbsp;层。&nbsp;由&nbsp;于&nbsp;受&nbsp;硬&nbsp;件&nbsp;条&nbsp;件&nbsp;的&nbsp;限&nbsp;制，&nbsp;信&nbsp;号&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;从&nbsp;六&nbsp;十&nbsp;年&nbsp;代&nbsp;开&nbsp;始，&nbsp;由&nbsp;于&nbsp;计&nbsp;算&nbsp;机&nbsp;技&nbsp;术&nbsp;的&nbsp;迅&nbsp;猛&nbsp;发&nbsp;展，&nbsp;特&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;别&nbsp;是&nbsp;七&nbsp;十&nbsp;年&nbsp;代&nbsp;以&nbsp;来&nbsp;微&nbsp;电&nbsp;子&nbsp;技&nbsp;术&nbsp;的&nbsp;惊&nbsp;人&nbsp;进&nbsp;步，&nbsp;使&nbsp;得&nbsp;信&nbsp;号&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;的&nbsp;数&nbsp;字&nbsp;化&nbsp;处&nbsp;理&nbsp;以&nbsp;空&nbsp;前&nbsp;未&nbsp;有&nbsp;的&nbsp;速&nbsp;度&nbsp;向&nbsp;前&nbsp;推&nbsp;进。&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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