标签: Delta

Delta并联机器人拖动示教及再现研究

3自由度高速Delta机器人控制系统设计

3自由度Delta型并联机器人控制系统设计

使用Delta机器人控制相机确保检测的灵活性.

Delta机器人控制系统设计

直线型DELTA并联机器人控制研究

基于可视化编程语言的Delta机器人控制系统设计

基于CANopen的Delta机器人控制研究

基于Sysmac自动化平台的Delta机器人控制系统设计

Delta机器人控制系统研究

Delta机器人控制器电路优化设计

DELTA机电产品在丝网印刷机的应用

基于Delta算子的航天器自主交会

双CapSense®Sigma-Delta调制数据手册CSD2xV1.10文件。Preliminary初步双CapSenseSigma-Delta调制数据手册CSD2xV1.10001-67455Rev.**DualCapSenseSigma-DeltaCopyright2009-2011CypressSemiconductorCorporation.AllRightsReserved.PSoC模块API内存引脚（每个资源抽取滤波器I2C/SPI数字模拟闪存RAM外部IO）CY8C28x45,CY8C28x52,CY8C28x13,CY8C28x33一阶调制器，带IDAC2-0..24……

Convolutionisamathematicalwayofcombiningtwosignalstoformathirdsignal.ItisthesinglemostimportanttechniqueinDigitalSignalProcessing.Usingthestrategyofimpulsedecomposition,systemsaredescribedbyasignalcalledtheimpulseresponse.Convolutionisimportantbecauseitrelatesthethreesignalsofinterest:theinputsignal,theoutputsignal,andtheimpulseresponse.Thischapterpresentsconvolutionfromtwodifferentviewpoints,calledtheinputsidealgorithmandtheoutputsidealgorithm.ConvolutionprovidesthemathematicalframeworkforDSP;thereisnothingmoreimportantinthisbook.CHAPTERConvolution6Convolutionisamathematicalwayofcombiningtwosignalstoformathirdsignal.ItisthesinglemostimportanttechniqueinDigitalSignalProcessing.Usingthestrategyofimpulsedecomposition,systemsaredescribedbyasignalcalledtheimpulseresponse.Convolutionisimportantbecauseitrelatesthethreesignalsofinterest:theinputsignal,theoutputsignal,andtheimpulseresponse.Thischapterpresentsconvolutionfromtwodifferentviewpoints,calledtheinputsidealgorithmandtheoutputsidealgorithm.ConvolutionprovidesthemathematicalframeworkforDSP;thereisnothingmoreimportantinthisbook.TheDeltaFunctionandImpulseResponseThepreviouschapterdescribesh……

Foreverytimedomainwaveformthereisacorrespondingfrequencydomainwaveform,andviceversa.Forexample,arectangularpulseinthetimedomaincoincideswithasincfunction[i.e.,sin(x)/x]inthefrequencydomain.Dualityprovidesthatthereverseisalsotrue;arectangularpulseinthefrequencydomainmatchesasincfunctioninthetimedomain.WaveformsthatcorrespondtoeachotherinthismannerarecalledFouriertransformpairs.Severalcommonpairsarepresentedinthischapter.CHAPTERFourierTransformPairs11Foreverytimedomainwaveformthereisacorrespondingfrequencydomainwaveform,andviceversa.Forexample,arectangularpulseinthetimedomaincoincideswithasincfunction[i.e.,sin(x)/x]inthefrequencydomain.Dualityprovidesthatthereverseisalsotrue;arectangularpulseinthefrequencydomainmatchesasincfunctioninthetimedomain.WaveformsthatcorrespondtoeachotherinthismannerarecalledFouriertransformpairs.Severalcommonpairsarepresentedinthischapter.DeltaFunctionPairsFordiscretesignals,thedeltafunctionisasimplewaveform,andhasanequallysimpleFouriertransformpair.Figure11-1ashowsadeltafunctionin……

ContinuoussignalprocessingisaparallelfieldtoDSP,andmostofthetechniquesarenearlyidentical.Forexample,bothDSPandcontinuoussignalprocessingarebasedonlinearity,decomposition,convolutionandFourieranalysis.Sincecontinuoussignalscannotbedirectlyrepresentedindigitalcomputers,don'texpecttofindcomputerprogramsinthischapter.Continuoussignalprocessingisbasedonmathematics;signalsarerepresentedasequations,andsystemschangeoneequationintoanother.JustasthedigitalcomputeristheprimarytoolusedinDSP,calculusistheprimarytoolusedincontinuoussignalprocessing.Thesetechniqueshavebeenusedforcenturies,longbeforecomputersweredeveloped.CHAPTERContinuousSignalProcessing13ContinuoussignalprocessingisaparallelfieldtoDSP,andmostofthetechniquesarenearlyidentical.Forexample,bothDSPandcontinuoussignalprocessingarebasedonlinearity,decomposition,convolutionandFourieranalysis.Sincecontinuoussignalscannotbedirectlyrepresentedindigitalcomputers,don'texpecttofindcomputerprogramsinthischapter.Continuoussignalprocessingisbasedonmathematics;signalsarerepresentedasequations,andsystemschangeoneequationintoanother.JustasthedigitalcomputeristheprimarytoolusedinDSP,calculusistheprimarytoolusedincontinuoussignalprocessing.Thesetechniqueshavebeenusedforcenturies,longbeforecomputersweredeveloped.The……

Datatransmissionandstoragecostmoney.Themoreinformationbeingdealtwith,themoreitcosts.Inspiteofthis,mostdigitaldataarenotstoredinthemostcompactform.Rather,theyarestoredinwhateverwaymakesthemeasiesttouse,suchas:ASCIItextfromwordprocessors,binarycodethatcanbeexecutedonacomputer,individualsamplesfromadataacquisitionsystem,etc.Typically,theseeasy-to-useencodingmethodsrequiredatafilesabouttwiceaslargeasactuallyneededtorepresenttheinformation.Datacompressionisthegeneraltermforthevariousalgorithmsandprogramsdevelopedtoaddressthisproblem.Acompressionprogramisusedtoconvertdatafromaneasy-to-useformattooneoptimizedforcompactness.Likewise,anuncompressionprogramreturnstheinformationtoitsoriginalform.Weexaminefivetechniquesfordatacompressioninthischapter.Thefirstthreearesimpleencodingtechniques,called:runlength,Huffman,anddeltaencoding.Thelasttwoareelaborateproceduresthathaveestablishedthemselvesasindustrystandards:LZWandJPEG.CHAPTERDataCompression27Datatransmissionandstoragecostmoney.Themoreinformationbeingdealtwith,themoreitcosts.Inspiteofthis,mostdigitaldataarenotstoredinthemostcompactform.Rather,theyarestoredinwhateverwaymakesthemeasiesttouse,suchas:ASCIItextfromwordprocessors,binarycodethatcanbeexecutedonacomputer,individualsamplesfromadataacquisitionsystem,etc.Typically,theseeasy-to-useencodingmethodsrequiredatafilesabouttwiceaslargeasactuallyneededtorepresenttheinformation.Datacompressionisthegeneraltermforthevariousalgorithmsandprogramsdevelopedtoaddressthisproblem.Acompressionprogramisusedtoconvertdatafromaneasy-to-useformattooneoptimized……

sigmadeltaadc……

摘要：利用电桥电路精确测量电阻及其它模拟量的历史已经很久远。本文讲述电桥电路的基础并演示如何在实际环境中利用电桥电路进行精确测量，文章详细介绍了电桥电路应用中的一些关键问题，比如噪声、失调电压和失调电压漂移、共模电压以及激励电压，还介绍了如何连接电桥与高精度模/数转换器(ADC)以及获得最高ADC性能的技巧。电阻电桥基础：第一部分Apr22,2008摘要：利用电桥电路精确测量电阻及其它模拟量的历史已经很久远。本文讲述电桥电路的基础并演示如何在实际环境中利用电桥电路进行精确测量，文章详细介绍了电桥电路应用中的一些关键问题，比如噪声、失调电压和失调电压漂移、共模电压以及激励电压，还介绍了如何连接电桥与高精度模/数转换器(ADC)以及获得最高ADC性能的技巧。概述惠斯通电桥在电子学发展的早期用来精确测量电阻值，无需精确的电压基准或高阻仪表。实际应用中，电阻电桥很少按照最初的目的使用，而是广泛用于传感器检测领域。本文分析了电桥电路受欢迎的原因，并讨论在测量电桥输出时的一些关键因素。注意：本文分两部分，第一部分回顾了基本的电桥架构，并将重点放在低输出信号的电桥电路，比如导线或金属箔应变计。第二部分，应用笔记3545,"电阻电桥基础：第二部分"介绍使用硅应变仪的高输出信号电桥。基本的电桥配置图1是基本的惠斯通电桥，图中电桥输出Vo是Vo+和Vo-之间的差分电压。使用传感器时，随着待测参数的不同，一个或多个电阻的阻值会发生改变。阻值的改变会引起输出电压的变化，式1给出了输出电压Vo，它是激励电压和电桥所有电阻的函数。图1.基本惠斯通电桥框图式1:Vo=Ve(R2/(R1+R2)-R3/(R3+R4))式1看起来比较复杂，但对于大部分电桥应用可以简化。当Vo+和Vo-等于Ve的1/2时，电桥输出对电阻的改变非常敏感。所有四个电阻采用同样的标称值R，可以大大简化上述公式。待测量引起的阻值变化由R的增量或dR表示。带dR项的电阻称为“有源”电阻。在下面四种情况下，所有电阻具有同样的标称值R，1个、2个或4个电阻为有源电阻或带有dR项的电阻。推导这些公式时，dR假定为正值。如果……