标签: field

GeneralAirgapFieldModulationTheoryforElectricalMachines-PrinciplesandPractice,IEEEPress（epub格式，附阅读器安装程序）

FieldOrientedControlofPermanentMagnetSynchronousMotorUsingPIDController

SI2302N-ChannelEnhancementModeFieldEffectTransistor.pdf

Thisapplicationreportpresentsasolutiontocontrola3-phasePermanentMagnetSynchronousmotorusingtheTexasInstruments(TI)TMS320F240digitalsignalprocessor(DSP).ThisprocessorispartofanewfamilyofDSPsthatenablecost-effectivedesignofintelligentcontrollersforbrushlessmotors.TheuseofthisDSPyieldsenhancedoperations,fewersystemcomponents,lowersystemcostandincreasedefficiency.Thecontrolmethodpresentedisfieldorientedcontrol(FOC).ThesinusoidalvoltagewaveformsaregeneratedbytheDSPusingthespacevectormodulationtechnique.Apracticalsolutionisdescribedandresultsaregiveninthisapplicationreport.……

Short-rangeradiosthatoperateattheIndustrial,Scientific,andMedical(ISM)frequenciesfrom260MHzto470MHzarewidelyusedforremotekeylessentry(RKE),homesecurity,andremotecontrol.Acriticalperformancemeasurementfortheradiotransmitteristhepowerthatitradiatesfromtheantenna.Thispowermustbehighenoughtomakethelinkbetweenthetransmitterandreceiverreliable,yetitmustnotbesohighthatitexceedstheradiationlimitsestablishedinPart15.231oftheFCCRegulations.ThisapplicationnotediscussestherelationshipbetweenFCCfield-strengthrequirementsinthe260MHzto470MHzfrequencyrangeandtheradiatedpowerandtypicalquantitiesmeasuredonatestreceiver.Tableswillillustratethevaluesthatadesignercanexpecttoobtaininfieldtests.……

平面显示设备现场测试要求_中国大陆Subject:FieldTestforChinaAuthorizedDept:DQADept.DistributedNo:IssuedDate:DocumentControl:SecrecyLevel：UpdateLayer：PreparedBy:Claire.luDate:Dec-12-2004Check:Date:Approved:Date:ModifiedDocumentRe……

平面显示设备现场测试要求_欧洲Subject:FieldTestforEuropeAuthorizedDept:DQADept.DistributedNo:IssuedDate:DocumentControl:SecrecyLevel：UpdateLayer：PreparedBy:Claire.luDate:20-12-2004Check:Date:Approved:Date:ModifiedDocumentRecordAcc……

平面显示设备现场测试要求Subject:FieldTestforChinaAuthorizedDept:DQADept.DistributedNo:IssuedDate:DocumentControl:SecrecyLevel：UpdateLayer：PreparedBy:Claire.luDate:Dec-12-2004Check:Date:Approved:Date:ModifiedDocumentRe……

Abstract:Engineersoftenwishthatradiosusceptibility(RS)orradioimmunitycouldbecuredwithanantibiotic,avaccine,orsomeformofcure-all.Unfortunately,solvingtheRSproblemisnotthateasy.Indeed,thelawsofphysicsapply.InthisarticlewediscusssourcesofRS.Wealsooffertipsandhintstoprotectsystems,powersupplies,printedcircuitboards(PCBs),andelectroniccomponentsfromradiofrequencyinterference.Maxim>DesignSupport>TechnicalDocuments>Tutorials>A/DandD/AConversion/SamplingCircuits>APP5065Maxim>DesignSupport>TechnicalDocuments>Tutorials>AmplifierandComparatorCircuits>APP5065Maxim>DesignSupport>TechnicalDocuments>Tutorials>CommunicationsCircuits>APP5065Keywords:radiosusceptibility,powersupplies,grounding,printedcircuitboard,electroniccomponents,radiofrequencyinterference,radioimmunity,electromagneticfield,EMI,RFI,jittertransitions,IntegratedfilterIC,inputoutputports,powerline,RSJan03,2012TUTORIAL5065RadioSusceptibility―CurewithAntibiotic,Vaccine,ortheLawsofPhysics……

摘要：电流传感器监控MESFET的源漏源电流（IDS），并提供反馈意见，以克服的缺点门转门的输入阈值电压变化的砷化镓金属半导体场效应晶体管，砷化镓MESFET的。Maxim>AppNotes>AmplifierandComparatorCircuitsKeywords:MESFETs,Gallium-Arsenide,GaAsMESFETs,currentsenseamps,currentsensing,mesfet,metalsemiconductorfieldeffectDec04,2002transistorsAPPLICATIONNOTE1800SmartICMaintainsUniformBiasCurrentforGaAsMESFETsAbstract:Acurrentsensorthatmonitorsthedrain-sourcecurrent(IDS)atthesourceoftheMESFETandprovidesfeedbacktothegateinputovercomingthedrawbacksofgate-turn-onthresholdvoltagevariationsforgallium-arsenidemetal-semiconductorfield-effecttransistors,GaAsMESFETs.Thegate-turn-onthresholdvoltageforgallium-arsenidemetal-semiconductorfield-effecttransistors(GaAsMESFETs)variesconsiderablyfromparttopart,evenwithinagivenlot.That……

，才能确定天线的特点，是衡量其性能，因为理论本身无法预测的实际结果。由天线产生的领域是极其复杂的，因为他们与环境中的一切交互。鉴于这种复杂性，天线测量和分析会更成功，如果你使用的经验和经认可的天线实验室，配备处理测试标准，其细微之处。Maxim>AppNotes>AUTOMOTIVEKeywords:UHFantenna-FCCtesting-FieldTestMar26,2006APPLICATIONNOTE3622SmallLoopAntennas:Part2―FieldTestsAbstract:Theonlywaytodeterminethecharacteristicsofanantennaistomeasureitsperformancesincetheoryalonecannotpredicttheactualresults.Thefieldsgeneratedbyantennasareextremelycomplexbecausetheyinteractwitheverythingintheenvironment.Giventhiscomplexity,antennameasurementandanalysiswillbemoresuccessfulifyouuseanexperiencedandaccreditedantennalaboratoryequippedtohandlethetests,standards,andtheirnuances.Thisarticleisthesecondofatwo-partanalysisofantennatheoryanddesignforaremote-key……

摘要：工程师常常想，无线电易感性（RS）或无线电干扰，可以用抗生素，疫苗，或某种形式包治百病治愈。不幸的是，解决了RS问题并不那么容易。事实上，物理定律的适用。在这篇文章中，我们讨论了RS的来源。我们还提供技巧和提示，以保护系统，电源供应器，印刷电路板（PCB），电子元器件，无线电频率干扰。Maxim>DesignSupport>TechnicalDocuments>Tutorials>A/DandD/AConversion/SamplingCircuits>APP5065Maxim>DesignSupport>TechnicalDocuments>Tutorials>AmplifierandComparatorCircuits>APP5065Maxim>DesignSupport>TechnicalDocuments>Tutorials>CommunicationsCircuits>APP5065Keywords:radiosusceptibility,powersupplies,grounding,printedcircuitboard,electroniccomponents,radiofrequencyinterference,radioimmunity,electromagneticfield,EMI,RFI,jittertransitions,IntegratedfilterIC,inputoutputports,powerline,RSJan03,2012TUTORIAL5065RadioSusceptibility―CurewithAntibiotic,Vaccine,ortheLawsofPhysics……

ElectromagneticFieldTheory[EBook]BoThidéELECTROMAGNETICFIELDTHEORYReleased14thDecember1998at13:56Downloadedfromhttp://www.plasma.uu.se/CED/BookAlsoavailableELECTROMAGNETICFIELDTHEORYEXERCISESbyTobiaCarozzi,AndersEriksson,BengtLundborg,BoThidéandMattiasWaldenvikELECTROMAGNETICFIELDTHEORYBoThidéDepartmentofSpaceandPlasmaPhysicsUppsalaUniversityandSwedishInstituteofSpacePhysicsUppsalaDivisionSwedenIpsumΣAThisbookwastypesetinLTEX2onanHP9000/700seriesworkstationandprintedonanHPLaserJet5000GNprinter.Copyrightc1997,1998byBoThidéUppsala,SwedenAllrightsreserved.ElectromagneticFieldTheoryISBNX-XXX-XXXXX-XCONTENTSPreface1ClassicalElectrodynamics1.1Electrostatics...............1.1.1Coulomb……

FieldGroundingandShieldingApplicationNoteFieldGroundingandShieldingApplicationNoteOverviewUnfortunately,it’simpossibletofinishthesystemintegrationtaskatatime.Wealwaysmeetsometroublesinfield.Suchascommunicationnetworkorsystemisn'tstable,noiseinfluence,andequipmentisdamagedorhungsupbythunders.However,themostpossibleissueisjusttheimproperwiring;ie,groundingandshielding.Asyouknowthe80/20ruleinourlife:wespend20%timefor80%works,but80%timeforleft20%works.Sotosystemintegration,wepaid20%costforWire/Cableand80%costforEquipment.However,80%reliabilitydependsonGroundingandShielding.Inaword,wejustneedtopay20%investmentandworkonthosetwoissuestogetahighreliablesystem.Thisapplicationnotewillbringyousomeconceptsa……

再来，电磁场与天线，鄙视要钱的！！！！！！！！！！,EMFieldandAntenna4……

ArtechHouseMicrowaveCircuit...,ArtechHouseMicrowaveCircuitModelingUsingElectromagneticFieldSimulation……

(ebook,(ebook-pdf)Physics-ElectromagneticFieldTheory(TheoryandProblems)……

来自美国海军陆战队天线教材,FieldAntennaHandbook[1]……

Extended_Depth_of_field_through_wavefront_coding_(1995)Extendeddepthofeldthroughwave-frontcodingEdwardR.Dowski,Jr.,andW.ThomasCatheyWedesignedanoptical……

微波电路电磁仿真基础,swanson-microwave_circuit_modeling_using_electromagnetic_field_simulation[1]……