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Transformation group
17/12/2021 1252
Transformation group

IntroductionLetGbeanon-emptyset,anddefineanoperation"○"betweentheelementsofG.IfGsatisfiesthefollowingconditions:1.(Operationalclosure)ForanytwoelementsaandbinG,therewillalwaysbea○b∈G;2.(Associationlaw...

Electromagnetic heating
17/12/2021 1360
Electromagnetic heating

Technicalprinciple1.Electromagneticheater:Electromagneticheaterisadevicethatusestheprincipleofelectromagneticinductiontoconvertelectricalenergyintoheat.Theelectromagneticheatingcontrollerconverts220V,...

Network bandwidth
16/12/2021 1319
Network bandwidth

DigitalinformationThebasicunitofdigitalinformationflowisbit(bit),andthebasicunitoftimeiss(second),sobit/s(bit/second)describesbandwidthUnit,1bit/sisthebasicunitofbandwidth.Itisnotdifficulttoimaginehow...

Routing information protocol
16/12/2021 1361
Routing information protocol

ThesynonymRIP(RoutingInformationProtocol)generallyreferstotheroutinginformationprotocol.IntroductionTheroutinginformationprotocolRIP(RoutingInformationProtocol)isaroutingprotocolbasedonthedistancevect...

Deep learning
15/12/2021 1409
Deep learning

IntroductionDeeplearningisageneraltermforatypeofpatternanalysismethod.Intermsofspecificresearchcontent,itmainlyinvolvesthreetypesofmethods:(1)BasedonvolumeTheneuralnetworksystemofproductoperation,name...

Auxiliary variable
15/12/2021 1445
Auxiliary variable

ClassificationIntermsoftheirnature,auxiliaryvariablescanbedividedintothefollowingcategories:1.Informationreflectingtheoverallstructure.Forexample,theoverallsamplingunitcanbedividedintoseverallayersacc...

Electronic Information Industry
14/12/2021 1359
Electronic Information Industry

IndustryintroductionOverviewElectronicinformationmanufacturing(electronicindustry)isanindustrythatdevelopsandproduceselectronicequipmentandvariouselectroniccomponents,devices,instruments,andmeters.Iti...

The second law of thermodynamics
14/12/2021 1547
The second law of thermodynamics

TheexpressionofthelawIn1824,theFrenchengineerSadieCarnotproposedtheCarnottheorem.TheGermanRudolphClausiusandtheBritishLordKelvinreviewedCarnot'stheoremaftertheestablishmentofthefirstlawofthermodynamic...

product
13/12/2021 1535
product

DefinitionProductdefinitioncurrentlyhastwoacademicdirections.Oneisbasedontheorientationof"marketingmanagement";theotherisbasedontheorientationoftheentire"basicconceptofenterprisemanagement".1.Marketin...

Cognitive structure
13/12/2021 1252
Cognitive structure

BasicconceptsCognitivestructurereferstopeople’sinternalcodingsystemabouttherealworld.Itisaseriesofinterrelatedandnon-specificcategories,whichareusedbypeopletoperceive,Processingexternalinformationandf...

Science & Technology
12/12/2021 1384
Science & Technology

Synonymouswithscienceandtechnologygenerallyreferstoscienceandtechnology.Meaning1.Traditionally,scienceistheknowledgesystemaboutnature,society,andthinkingaccumulatedbyhumanbeings.2.Whatwecall"science"r...

Anti-counterfeiting material
12/12/2021 1186
Anti-counterfeiting material

Typesofanti-counterfeitingmaterialsLaseranti-counterfeitingmaterials.Digitalanti-counterfeitingmaterialsUncoveringVOIDanti-counterfeitingmaterialsCodeanti-counterfeitingmaterialsShapememoryanti-counte...

Mobile phone chip
11/12/2021 1564
Mobile phone chip

IntroductionMobilephonechipsgenerallyrefertochipsusedinmobilephonecommunicationfunctions,includingbaseband,processor,coprocessor,RF,touchscreencontrollerchip,memory,wirelessICandpowersupplyManagementI...

Zero-based budget
11/12/2021 1173
Zero-based budget

TheoriginoftheconceptTheideaof​​zero-basedbudgetingoriginatedin1952.AmericanWayneLewisproposedabudgetinginhisarticle"NewExplanationofBudgetingTheory"NewargumentsinWhenpreparingpublicexpenditurebudgets...

Dumb terminal
10/12/2021 1286
Dumb terminal

DefinitionIncomputerscience,adumbterminalreferstoacomputerterminalwithlimitedfunctions,simpleinteractionmethods,andsimplerinteractionscomparedtoother"smart"computerterminals.Itsspecificmeaningvariesac...