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Digital signal
11/05/2022 892
Digital signal

IntroductionTheinformationagehascomewithoutnotice.Wearesurroundedbyvarioussignalsallthetime.Theessenceofthesignalisthephysicalquantitythatrepresentsthemessage(information),suchascommonInthesinusoidale...

Behavioral Learning Theory
10/05/2022 998
Behavioral Learning Theory

ConceptBehavioristsbelievethatlearningistheconnectionbetweenstimuliandresponse.Theirbasicassumptionisthatbehavioristhelearner’sresponsetoenvironmentalstimuli.Theyregardtheenvironmentasastimulus,theacc...

storage card
10/05/2022 1103
storage card

MMCseriesMMCDuetothelargesizeoftraditionalCFcards,InfineonandSanDiskjointlylaunchedanewmemorycardproductin1997MultiMediaCard(MMCcardforshort).ThesizeoftheMMCcardis32mm×24mm×1.4mm,witha7-pininterfacean...

Circuit switched network
09/05/2022 938
Circuit switched network

ClassificationTherearetwomaintypesofcircuit-switchednetworks,publicswitchedtelephonenetwork(PSTN)andintegratedservicesdigitalnetwork(ISDN),whichwillbeintroducedseparatelybelow.PublicSwitchedTelephoneN...

Carl Zeiss
09/05/2022 981
Carl Zeiss

>EarlydaysIn1846,attheageof30,CarlZeissestablishedaprecisionopticalinstrumentfactoryinJenaandproduceditin1847Outofhisfirstmicroscope.Since1866,withtheassistanceofErnstAbbeandOttoSchott,theZeissfactory...

Microphone
08/05/2022 1150
Microphone

BriefintroductionThemicrophoneisoneoftheimportantpartsofthetelephone.Itcanconvertsoundintovoicecurrent,soitisanacoustic-electricconversiondevice.Microphonesaregenerallydividedintotwocategories,namelyl...

Organic synthetic materials
08/05/2022 976
Organic synthetic materials

IntroductionTherearemanytypesofsyntheticmaterialsfororganicsyntheticmaterials.Syntheticplastics,syntheticfibers,andsyntheticrubbersarewhatweusuallycallthethreesyntheticmaterials;mainlyreferstothesynth...

Surface roughness
07/05/2022 972
Surface roughness

Synonymsurfacefinishgenerallyreferstosurfaceroughness.DevelopmentInordertostudytheinfluenceofsurfaceroughnessontheperformanceofpartsandtheneedtomeasuresurfacemicroscopicunevenness,fromthelate1920stoth...

megahertz
07/05/2022 984
megahertz

IntroductionThebasicunitoffluctuatingfrequencyisHertz,whichisbasedonthethousand-carryingsystem;1MHzisequivalentto1000kilohertz(KHz),whichis10tothe6thpowerofHz.Itisworthnotingthatmegahertzisjustadefini...

Public telephone
06/05/2022 1088
Public telephone

ConceptAkindofartificialtelephoneexchangethatisusedbythetelephoneofficetoprovidetelephoneuserswithcallpower.Itappearedinthelate19thcentury.ChinastartedtouseitinBeijingin1910.Duetothedevelopmentoftheap...

Math tools
06/05/2022 1118
Math tools

MainfunctionsCurrently,themainfunctionsof"MathematicsTools"includealargenumberofcommonlyusedstaticmathematicalgraphicsandsymbols."MathematicsTools"providesalargenumberofcommonlyusedmathematicalsymbols...

Form
05/05/2022 997
Form

OverviewForexample,thereisanorganizationthatwantstocollectpersonalinformationofemployees,suchasname,address,contactnumber,etc.Youcandesignaform.Name,“sex”,“address”,etc.areenteredbytheformdesigner,and...

Yuan Dynasty
05/05/2022 1034
Yuan Dynasty

SynonymYuanDynastygenerallyreferstotheYuanDynasty(Chinesehistoricaldynasty)CountryTitleThepredecessoroftheYuanDynastywastheGreatMongolianStateestablishedbyGenghisKhan.TheSouthernSongDynastyLiXin's"Mis...

Accuracy
04/05/2022 1097
Accuracy

RelationshipAccuracyisthedifferencebetweentheaveragevalueofeachindependentmeasurementandthetruevalueoftheknowndata(thedegreeofconformitywiththetheoreticalvalue).Forexample:theaveragevalueoftheresultso...

Fuse
04/05/2022 1033
Fuse

WorkingprincipleAnelectricalappliancethatusesametalconductorasamelttobeconnectedinseriesinacircuit.Whenoverloadorshort-circuitcurrentpassesthroughthemelt,itwillfuseduetoitsownheat,therebybreakingtheci...