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冷

天放晴了，但是越发冷了。软弱无力的太阳呆在天上，看着地上那些被冷风肆虐的人们，笑眯眯地打着哈欠。走出青年公寓，在中关村东路上，从清华东门而来的凛冽寒风，像一把把尖刀，亲吻着人们的脸颊，留下了满脸红红的印记。年关将至，瑞雪却迟迟不到。各个武装得像个球的
Richard
发表于 1/17/2010 12:59:02 PM
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康熙王朝

终于看完了。这是我第三次看了，每次看过都有不同的感受，但有觉得说不出，可能是感情太复杂了。演员演技一流，陈道明，斯琴高娃我都非常喜欢。尽管剧情与史书记载大有出入，但是依然能从中汲取一些有用的营养。作为普通人，往往看得比较近，而伟人们总是能够高瞻远瞩。
Richard
发表于 1/17/2010 12:58:43 PM
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Done

Igettherightresultstonight.Beautifulwaveforms.AnalogSource-->Sampling-->Quantification-->Coding-->Encoding-->Low-PassFilter,thenIgetthereconstructedsignal.
Richard
发表于 1/17/2010 12:58:18 PM
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About Direct Digital Synthesis

WhatisDirectDigitalSynthesis?Directdigitalsynthesis(DDS)isamethodofproducingananalogwaveform--usuallyasinewave--bygeneratingatime-varyingsignalindigitalformandthenperformingadigital-to-analogconversion.BecauseoperationswithinaDDSdeviceareprimarilydig
Richard
发表于 1/17/2010 12:57:47 PM
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Matlab goes on...

ZhusgirlfriendcamehereyesterdaysoIhadtogotoZhuChaosdormitorythelastevening.Wespendthisalldayonstudyingintheclassroom.AfterthesupperIcomebacktomyplaceandicangoonwithmyprojectsofcommunication.Icameaccrossdifficultyyesterday,Ihadtriedalmosteverysolution
Richard
发表于 1/17/2010 12:57:26 PM
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The last day of 2005

Whatdidyoudoonthelastdayof2005?TherewassomethinghappyforeveryoneinPekingcity.Atthemorning,itwassnowwing,ohitwasthelastdayof2005anditwasthefirstsnowof2005.Whenwegotupitwas9amyesterday.ZhuandIwentototheclassroomtodosomereviewworkspreparingthefinalexams
Richard
发表于 1/17/2010 12:57:06 PM
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Periodic Rectangular Wave

ItisaproblemofcommunicationthataskyouutilizeFourierSeriestocreateaperiodicrectangularwavewiththefrequencyof1000Hz.IdliketofullfillitusingMatlabwhichIhavenevercomeaccrossbefore.Ihopethisisaniceworkandibeganyesterday.Itiseasyinfact,however,thereseemsso
Richard
发表于 1/17/2010 12:56:30 PM
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Nothing to say

ItisaboutthefinalexamofModernTheoryofCommunicationtookthedaybeforeyesterday.Anditisnotonlyaboutthisexambutalsosomethingelsethatihavetoreevalutaemyself.ItisobviousthatIhavelossmyselfinthereallifebutliveinaself-satisfactiondream.IhaveforgottenwhoamIand
Richard
发表于 1/17/2010 12:56:03 PM
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My opinion about the university prodigy

Whatisthemeaningofprodigy?Itmeanschildrenoryouthswithexceptionaltalents.Wecanoftencomeacrosswiththesegiftedguysinourreallife.Theyusuallyaregoodatphysics,mathandsoonmuchbetterthantheircounterpartsoftheirage.Theymaydosomedifferentialcoefficientproblems
Richard
发表于 1/17/2010 12:55:37 PM
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The things that make life most worth liv

Ibelieveinthesupremeworthoftheindividualandinhisrighttolife,libertyandthepursuitofhappiness.Ibelievethateveryrightimpliesaresponsibility;everyopportunity,anobligation;everypossession,aduty.Ibelievethatthelawwasmadeformanandnotmanforthelaw;thatgovernm
Richard
发表于 1/17/2010 12:55:11 PM
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什么叫做累？

眼珠子，鼻孔子，朱子反在孔子上；眉先生，发后升，后生反在先生上。上自习的时候，无意间突然想起了这个已经忘了其出处的对子，写在这里。读书累还是种地累？读书的说读书累，种地的说种地累。那什么最累？换一个角度吧，这次，心累最累。什么是心累？远虑或是近忧。那
Richard
发表于 1/17/2010 12:54:45 PM
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Allegro ® RF PCB RF系统互连和PCB设计工具

Richard
发表于 1/17/2010 12:54:23 PM
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种地苦还是读书苦？

Richard
发表于 1/17/2010 12:53:38 PM
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迷茫的大学生

Richard
发表于 1/17/2010 12:53:09 PM
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认知无线电技术

Richard
发表于 1/17/2010 12:52:39 PM

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