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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(三)<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;17:53:21&nbsp;1999)&nbsp;,&nbsp;站内信件<br>----&nbsp;无&nbsp;论&nbsp;如&nbsp;何，&nbsp;微&nbsp;电&nbsp;子&nbsp;技&nbsp;术&nbsp;的&nbsp;惊&nbsp;人&nbsp;发&nbsp;展&nbsp;速&nbsp;度&nbsp;已&nbsp;经&nbsp;产&nbsp;生&nbsp;了&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;难&nbsp;以&nbsp;预&nbsp;料&nbsp;的&nbsp;结&nbsp;果，1946&nbsp;年&nbsp;当&nbsp;冯&nbsp;·&nbsp;诺&nbsp;伊&nbsp;曼&nbsp;等&nbsp;计&nbsp;算&nbsp;机&nbsp;专&nbsp;家&nbsp;研&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;制&nbsp;成&nbsp;功&nbsp;第&nbsp;一&nbsp;台&nbsp;电&nbsp;子&nbsp;计&nbsp;算&nbsp;机ENIAC&nbsp;时，&nbsp;其&nbsp;总&nbsp;重&nbsp;量&nbsp;为30&nbsp;吨，&nbsp;占&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;地&nbsp;面&nbsp;积&nbsp;相&nbsp;当&nbsp;于&nbsp;一&nbsp;个&nbsp;小&nbsp;的&nbsp;体&nbsp;育&nbsp;馆，&nbsp;平&nbsp;均&nbsp;每7&nbsp;分&nbsp;钟&nbsp;就&nbsp;有&nbsp;一&nbsp;个<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;电&nbsp;子&nbsp;管&nbsp;失&nbsp;效。&nbsp;它&nbsp;的&nbsp;耗&nbsp;电&nbsp;量&nbsp;惊&nbsp;人，&nbsp;在&nbsp;它&nbsp;工&nbsp;作&nbsp;时，&nbsp;整&nbsp;个&nbsp;费&nbsp;城<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;就&nbsp;灯&nbsp;光&nbsp;暗&nbsp;淡。&nbsp;而1977&nbsp;年&nbsp;生&nbsp;产&nbsp;的&nbsp;微&nbsp;处&nbsp;理&nbsp;器&nbsp;体&nbsp;积&nbsp;仅&nbsp;是ENIAC&nbsp;的<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;1/30000，&nbsp;成&nbsp;本&nbsp;是&nbsp;它&nbsp;的1/10000，&nbsp;速&nbsp;度&nbsp;是&nbsp;它&nbsp;的20&nbsp;倍。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;英&nbsp;国&nbsp;科&nbsp;学&nbsp;家&nbsp;福&nbsp;莱&nbsp;斯&nbsp;特，&nbsp;在&nbsp;总&nbsp;结&nbsp;了&nbsp;微&nbsp;电&nbsp;子&nbsp;技&nbsp;术&nbsp;的&nbsp;这&nbsp;种<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;惊&nbsp;人&nbsp;发&nbsp;展&nbsp;速&nbsp;度&nbsp;之&nbsp;后，&nbsp;在&nbsp;他&nbsp;所&nbsp;著&nbsp;的“&nbsp;高&nbsp;技&nbsp;术&nbsp;社&nbsp;会”&nbsp;中&nbsp;发&nbsp;出&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;了&nbsp;感&nbsp;叹，&nbsp;他&nbsp;说，“&nbsp;如&nbsp;果&nbsp;汽&nbsp;车&nbsp;或&nbsp;飞&nbsp;机&nbsp;行&nbsp;业&nbsp;也&nbsp;象&nbsp;计&nbsp;算&nbsp;机&nbsp;行&nbsp;业&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;这&nbsp;样&nbsp;发&nbsp;展，&nbsp;那&nbsp;么&nbsp;今&nbsp;天&nbsp;一&nbsp;辆&nbsp;罗&nbsp;尔&nbsp;斯&nbsp;·&nbsp;罗&nbsp;伊&nbsp;斯&nbsp;汽&nbsp;车&nbsp;的&nbsp;成&nbsp;本&nbsp;将<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;只&nbsp;有2.75&nbsp;美&nbsp;元；&nbsp;跑300&nbsp;万&nbsp;英&nbsp;里&nbsp;仅&nbsp;用&nbsp;一&nbsp;加&nbsp;仑&nbsp;汽&nbsp;油。&nbsp;而&nbsp;一&nbsp;架&nbsp;波&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;音767&nbsp;飞&nbsp;机&nbsp;的&nbsp;价&nbsp;格&nbsp;只&nbsp;需500&nbsp;美&nbsp;元，&nbsp;用5&nbsp;加&nbsp;仑&nbsp;汽&nbsp;油&nbsp;在20&nbsp;分&nbsp;钟&nbsp;内&nbsp;便<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;可&nbsp;环&nbsp;绕&nbsp;地&nbsp;球&nbsp;一&nbsp;周。”1996&nbsp;年&nbsp;美&nbsp;国Princeton&nbsp;大&nbsp;学&nbsp;电&nbsp;子&nbsp;工&nbsp;程&nbsp;系&nbsp;主<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;任&nbsp;刘&nbsp;必&nbsp;治&nbsp;教&nbsp;授&nbsp;来&nbsp;华&nbsp;发&nbsp;表&nbsp;演&nbsp;讲&nbsp;时，&nbsp;作&nbsp;了&nbsp;类&nbsp;似&nbsp;的&nbsp;对&nbsp;比，&nbsp;他&nbsp;说<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;，&nbsp;如&nbsp;果&nbsp;汽&nbsp;车&nbsp;行&nbsp;业&nbsp;也&nbsp;象&nbsp;微&nbsp;电&nbsp;子&nbsp;行&nbsp;业&nbsp;那&nbsp;样，&nbsp;那&nbsp;么&nbsp;今&nbsp;天&nbsp;一&nbsp;辆&nbsp;可<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;以&nbsp;坐4000&nbsp;人&nbsp;的&nbsp;小&nbsp;桥&nbsp;车&nbsp;的&nbsp;价&nbsp;格&nbsp;应&nbsp;当&nbsp;是0.26&nbsp;美&nbsp;元。&nbsp;<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;进&nbsp;步，&nbsp;是&nbsp;我&nbsp;们&nbsp;每&nbsp;一&nbsp;个&nbsp;人&nbsp;在<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;日&nbsp;常&nbsp;生&nbsp;活&nbsp;中&nbsp;都&nbsp;可&nbsp;以&nbsp;感&nbsp;觉&nbsp;得&nbsp;到&nbsp;的，&nbsp;同&nbsp;时&nbsp;它&nbsp;还&nbsp;对&nbsp;世&nbsp;界&nbsp;上&nbsp;某&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;些&nbsp;局&nbsp;部&nbsp;地&nbsp;区&nbsp;正&nbsp;在&nbsp;进&nbsp;行&nbsp;的&nbsp;战&nbsp;争&nbsp;产&nbsp;生&nbsp;了&nbsp;深&nbsp;远&nbsp;的&nbsp;影&nbsp;响。&nbsp;它&nbsp;使&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;得&nbsp;原&nbsp;来&nbsp;意&nbsp;义&nbsp;上&nbsp;的“&nbsp;前&nbsp;方”&nbsp;与“&nbsp;后&nbsp;方”&nbsp;的&nbsp;概&nbsp;念&nbsp;发&nbsp;生&nbsp;了&nbsp;变&nbsp;化，<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;使“&nbsp;信&nbsp;息&nbsp;战”&nbsp;的&nbsp;概&nbsp;念&nbsp;起&nbsp;到&nbsp;了&nbsp;主&nbsp;导&nbsp;作&nbsp;用。&nbsp;全&nbsp;球&nbsp;范&nbsp;围&nbsp;内&nbsp;的&nbsp;通<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;讯&nbsp;系&nbsp;统&nbsp;可&nbsp;以&nbsp;使&nbsp;美&nbsp;国&nbsp;五&nbsp;角&nbsp;大&nbsp;楼&nbsp;直&nbsp;接&nbsp;指&nbsp;挥&nbsp;某&nbsp;一&nbsp;局&nbsp;部&nbsp;战&nbsp;役&nbsp;的<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;行&nbsp;动，&nbsp;甚&nbsp;至&nbsp;是&nbsp;精&nbsp;确&nbsp;制&nbsp;导&nbsp;的&nbsp;巡&nbsp;航&nbsp;导&nbsp;弹&nbsp;的&nbsp;打&nbsp;击&nbsp;目&nbsp;标。&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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