简介:Dr.Hardware(下载地址.http.//www.drhardware.de/download/arh2004d.exe)可以说是硬件检测软件中的传统大将.精确是它的主要特点,与其他类似软件不同的是.这款软件除了能够从系统注册表中读取硬件信息外,还可以直接从BIOSI/O端口.寄存器等地方读取硬件信息.而且所读取的硬件信息不会因为操作系统的影响而出现偏差,
简介:Hardwareandsoftwareco-designisadesigntechniquewhichdeliverscomputersystemscomprisinghardwareandsoftwarecomponents.Acriticalphaseoftheco-designprocessistodecomposeaprogramintohardwareandsoftware.Thispaperproposesanalgebraicpartitioningalgorithmwhosecorrectnessisverifiedinprogramalgebra.Theauthorsintroduceaprogramanalysisphasebeforeprogrampartitioninganddevelopacollectionofsyntax-basedsplittingrules.Theformerprovidestheinformationformovingoperationsfromsoftwaretohardwareandreducingtheinteractionbetweencomponents,andthelattersupportsacompositionalapproachtoprogrampartitioning.
简介:TheConductorandHardwareResearchDivisionoftheElectricPowerConstructionResearchInstitute,MinistyofEnergy,isascientificresearchandtestbaseforstudyofmechanicalpropertiesoftransmissionlineconductorandhardwareinChina,whichhasahistoryof32yearslong.TheDivisionnowpossessesastaffofabout20,including5seniorengineersand5engineers.TheDivisionpossessesalsoalab,itmainlydealsWiththetestandre-
简介:ThesynchrodoublepulsesignalmodeisfreuqentlyusedinShortBaseLine(SBL)underwaterpositioningsystemsoastoobtaintheinforma-tionofbothdistanceanddepthofatargetsimultaneously.Howerer,thissignalmodealsobringsaboutrangingindistinctnessresultinginashorterpositioningdistancemuchlessthanthatlimitedbytheperiodofthesynchrosignal.Thispaperpresentsahardwaredistance-gatedataacquiringscheme.Itputstheoriginaldatasenttothecomputerinorderof"directfirstpulse—depthinformationpulse(orfirstpulsereflectedbywatersurface)…"toguaranteetheeffectivepositioningdistanceofthesystem.Ithastheadvan-tageofreducingtheprocessingtimeofthecomputerthusensuringtherealtimefunctioningofthesystem.Afigureoftheorbitofanunderwatermovingtargetmeasuredinpracticeisattachedtotheendofthepaper.
简介:NondeterminismofPROLOGexecutionrequiresthatablockofcontrolinformationorachoicepointforeachprocedurecallbestoredwhenthereareothercandidateclausestobeused.Whenthecurrentlyselectedclausefails,thebindingsmadebytheclausemustbeundoneandthestoredchoicepointisreactivated,andthenanotherclauseofthecandidateonesischosentorunonit.StoringandreactivatingchoicepointsandundoingaccountforthegreatoverheadarerequiredtocontrolPROLOGexecution,whichisquitedifferentfromconventionalprograms.ThispaperfocusesonthetechniquesusedinSequentialPROLOGEngine(SPE)toreducetheoverheadofcontroloperations.ThecontrolinstructionsofSPEstorenomorechoicepointsthanthenecessary.Itsarchitecturetakestheapproachesofanalysingthepotentialparallelisminthecontroloperationsanddevelopingafractionofitduetothecost-effectconsideration.TheresultsofexecutingtwosampleprogramsonSPEintheformofhandtimingsarepresented,whichfavortheapproach.