tag 标签: space

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  • Good news from Kuaipan! 100G of Free Space
    热度 30
    用户436037
    2013-8-14 23:23
    1770 次阅读|
    0 个评论
    Kuaipan.com (金山快盘) has announced to provide 100G of free space for users.   To enroll in the compaign, we only have to connect a Weixin (微信) account and use the APP for mobile platforms (Android or iOS). What a good news!   I usually use Kuaipan to back up and to share my project files. One advantage is that old versions of the files in the Cloud can be retrieved from the Cloud even the local files have been overwritten. Besides, since I am too lazy to connect the USB with my computer and the smartphone, I will send the files (like the photos taken) to the Cloud first and then get them in my computer :D
  • Can anyone hear you scream in space?
    热度 18
    用户3826190
    2013-3-6 18:39
    1604 次阅读|
    0 个评论
    My friend Rick Curl sent me an email with the subject line " Finally, Some Serious Science !" It seems that Cambridge University Space Flight (CUSF) is presenting something they call " Scream In Space! " This involves the launching of a nanosatellite carrying an Android smartphone into orbit around the Earth. As they modestly say on their website: "We're carrying out an experiment that will change the scientific world forever. The plan is so audacious that not even NASA has attempted it. The question is this: can anyone hear you scream in space?" Click Here to visit the Scream in Space website and see the video.  
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  • GAIN SPACE STABILITY ANALYSIS OF NONLINEAR SYS...
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  • 视频入门－dtv_systemtechnicaldocumentation
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    时间: 2020-1-3 18:29
    大小: 1.34MB
    上传者: quw431979_163.com
    视频入门－dtv_systemtechnicaldocumentation……
  • 地面在哪里？
    所需E币: 5
    时间: 2019-12-24 20:16
    大小: 96.2KB
    上传者: rdg1993
    摘要：出于安全原因，我们保持我们的电路引用到我们的环境。在大多数情况下，这是大地。本应用笔记介绍了如何正确理解释放的本地电路接地作为参考点我们的思维去考虑其他的简单电路。Maxim>AppNotes>AUDIOCIRCUITSCIRCUITPROTECTIONGENERALENGINEERINGTOPICSSIGNALGENERATIONCIRCUITSTEMPERATURESENSORSandTHERMALMANAGEMENTKeywords:Initialaccuracy,digitalpots,potentiometer,resistance,voltagedividers,ratiometric,ratiosteps,Sep25,2008LSB,tapserror,referencedecoupling,EarthGround,highpush-buttoninterface,commonspaceshuttle,localpotentialAPPLICATIONNOTE4292WhereIsGround?By:BillLaumeisterAbstract:Forsafetyreasonswekeepourcircuitsreferencedtooursurroundings.Inmostcasesthisisearthground.Thisapplicationnoteexplainshowaproperunderstandingoflocalcircuitgroundasareferencepointfreesourthinkingtoconsiderothersimplecircuits.Whereisgroundinspace?Usuallyengineeringisstrictlyco……
  • infineon c16x系列空间矢量调制
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    时间: 2019-12-24 19:54
    大小: 502.91KB
    上传者: 16245458_qq.com
    infineonc16x系列空间矢量调制ApplicationNote,V1.0,May2004AP1605716BitCMOSMicrocontrollerProductXC164CSSpaceVectorModulation.MicrocontrollersNeverstopthinking.16BitCMOSMicrocontrollerRevisionHistory:2004-05V1.0PreviousVersion:-PageSubjects(majorchangessincelastrevision)ControllerAreaNetwork(CAN):LicenseofRobertBoschGmbHWeListentoYourCommentsAnyinformationwithinthisdocumentthatyoufeeliswrong,unclearormissingatall?Yourfeedbackwillhelpustocontinuouslyimprovethequalityofthisdocument.Pleasesendyourproposal(includingareference……
  • 地面在哪里
    所需E币: 3
    时间: 2019-12-24 18:32
    大小: 96.2KB
    上传者: 二不过三
    摘要：出于安全原因，我们保持我们的电路引用到我们的环境。在大多数情况下，这是大地。本应用笔记介绍了如何正确理解释放的本地电路接地作为参考点我们的思维去考虑其他的简单电路。Maxim>AppNotes>AUDIOCIRCUITSCIRCUITPROTECTIONGENERALENGINEERINGTOPICSSIGNALGENERATIONCIRCUITSTEMPERATURESENSORSandTHERMALMANAGEMENTKeywords:Initialaccuracy,digitalpots,potentiometer,resistance,voltagedividers,ratiometric,ratiosteps,Sep25,2008LSB,tapserror,referencedecoupling,EarthGround,highpush-buttoninterface,commonspaceshuttle,localpotentialAPPLICATIONNOTE4292WhereIsGround?By:BillLaumeisterAbstract:Forsafetyreasonswekeepourcircuitsreferencedtooursurroundings.Inmostcasesthisisearthground.Thisapplicationnoteexplainshowaproperunderstandingoflocalcircuitgroundasareferencepointfreesourthinkingtoconsiderothersimplecircuits.Whereisgroundinspace?Usuallyengineeringisstrictlyco……
  • MIMO通信资料
    所需E币: 3
    时间: 2020-1-13 17:37
    大小: 3.73MB
    上传者: 2iot
    MIMOWirelessCommunicationsFromRealWorldPropagationtoSpaceTimeCodeDesignListofFiguresTypicalreceivedsignalstrengthinaRayleighfadingchannel..................5DiversitygaininRayleighfadingchannels...................................8DiversityandarraygainsinRayleighfadingchannels.........................9PerformanceoftransmitMRCandAlamoutischemeswithtwotransmitantennasini.i.d.Rayleighfadingchannels(forBPSKmodulation)............181.5PerformanceofdominanteigenmodeandAlamoutitransmissionsina2×2i.i.d.Rayleighfadingchannel(withQPSKmodulation)................242.12.22.32.42.52.62.7Atypicalmultipathscenario........................................……
  • 哎呀...实用的ESD保护与蛮干安慰剂
    所需E币: 4
    时间: 2019-12-24 17:08
    大小: 42.36KB
    上传者: 微风DS
    摘要：电气过应力（EOS）和静电放电（ESD）是集成电路的危险。愚蠢的人类借口，聘请安慰剂，并希望物理定律并不适用于他们。这篇文章揭露了这种想法的愚蠢，并提出切实可行的方法来保护电子系统。Maxim>AppNotes>A/DandD/Aconversion/samplingcircuitsAmplifierandcomparatorcircuitsCircuitprotectionGeneralengineeringtopicsProtectionandisolationKeywords:iInitialaccuracy,digitalpots,potentiometer,resistance,voltagedividers,ratiometric,ratiosteps,LSB,tapserror,referenceMar02,2011decoupling,EarthGround,highpush-buttoninterface,commonspaceshuttle,localpotentialAPPLICATIONNOTE4991Oops...PracticalESDProtectionvs.FoolhardyPlacebosBy:BillLaumeisterAbstract:Electricaloverstress(EOS)andelectrostaticdischarge(ESD)aredangeroustointegratedcircuits.Foolishhumansmakeexcuses,employplacebos,andhopethatthelawsofphysicswillnotapplytothem.Thisarticleexposesthefollyofthatthinkingandsuggestspractical……
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