简介：Withanincreasingemphasisonrenewableenergyresources,wavepowertechnologyisbecomingoneoftherealisticsolutions.However,the2011tsunamiinJapanwasaharshreminderoftheferocityoftheocean.Itisknownthattsunamisarenearlyundetectableintheopenoceanbutasthewaveapproachestheshoreitsenergyiscompressed,creatinglargedestructivewaves.Thequestionposedhereiswhetheranoscillatingwavesurgeconverter(OWSC)couldwithstandtheforceofanincomingtsunami.Severaltoolsareusedtoprovideananswer:ananalytical3Dmodeldevelopedwithintheframeworkoflineartheory,anumericalmodelbasedonthenon-linearshallowwaterequationsandempiricalformulas.Numericalresultsshowthatrun-upanddraw-downcanbeamplifiedundersomecircumstances,leadingtoanOWSClyingondryground!

简介：Inresponsetothecurrentimbalancephenomenonanditsharmfulness,acurrentsharingcircuitmodelisbuiltup,whichrevealstheunderlyingcausesforthecurrentimbalancethroughaquantitativeanalysis.Then,afeasibleapproachofimprovement,namelyenlargementofthelengthofconnectionbusbars,isproposed.Aftertheamendment,itcanbeseenthatthecurrentsharingcoefficientisalmostunityunderratedorfaultcurrentconditions.

简介：Thispaperpresentsaschemetoidentifyandcompensatethetimingmismatchesbetweentwochannelsfortimeinterleavedphotonicanalog-to-digitalconverters(TIPADCs).Theimpactofelectro-opticsamplingisremovedbypreprocessingfirstly.ThenacalibrationmethodcombiningchoppingprocessingandaHilberttransformisproposedtoidentifythetimingmismatches,whichcanbefurthercompensatedbyusingvariousmaturecompensationalgorithms.Theprincipleoftheproposedmethodisderivedtheoretically.Theperformanceoftheschemeisanalyzedbysimulation.Theresultsshowthattheharmonicinducedbytimingmismatchescanbesuppressedbymorethan30dBusingtheproposedcorrectionscheme.

简介：一个拍动类型波浪精力变换器(WEC)与nearshore防波提被相结合经济地并且环境地扩展WEC的申请。基于线性潜在的理论，一个特徵函数扩大答案为暴露于正常波浪的依赖底部的拍动类型WEC的周期的排被开发。另外，粘滞效果用卷解决方案方法，一个粘滞的抑制术语在运动的方程包括了的轮船被考虑，并且粘滞的抑制表达式也被描述。建议答案被比较与出版文学验证。包括波浪精力变换效率的结果，事件波浪精力的反映并且播送的比例为波浪时期和几何比率的一个范围被介绍。更好的波浪保护效果能与在WEC之间的更小的差距被达到，这被表明，在事件波浪精力的播送比例更低的地方。最佳的几何比率因此为给定的波浪力量吸收和一个特定的波浪时期存在。

简介：ThispaperinvestigatestheuntraditionalapproachofcontentionresolutioninWavelengthDivisionMultiplexing(WDM)OpticalPacketSwitching(OPS).Themoststrikingcharacteristicsofthedevelopedswitcharchitectureare:(1)ContentionresolutionisachievedbyacombinedsharingofFiberDelay-Lines(FDLs)andTunableOpticalWavelengthConverters(TOWCs);(2)FDLsarearrangedinnon-degenerateform,i.e.,non-uniformdistributionofthedelaylines;(3)TOWCsjustcanperformwavelengthconversioninpartialcontinuouswavelengthchannels,i.e.,sparsewavelengthconversion.TheconcreteconfigurationsofFDLsandTOWCsaredescribedandanalyzedundernon-burstyandburstytrafficscenarios.Simulationresultsdemonstratethatforaprefixedpacketlossprobabilityconstraint,e.g.,10-6,thedevelopedarchitectureprovidesadifferentpointofviewinOPSdesign.Thatis,combinedsharingofFDLsandTOWCscan,effectively,obtainagoodtradeoffbetweentheswitchsizeandthecost,andTOWCswhichareachievedinsparseformcanalsodecreasetheimplementingcomplexity.

简介：Thispapermakesareviewofstate-of-theartsdesignsofsuccessive-approximationregisteranalog-to-digitalconverters(SARADCs).Methodsandtechniquespecificationsarecollectedinviewofinnovativeideas.Attheendofthispaper,adesignexampleisgiventoillustratetheproceduretodesignanSARADC.Anewmethod,whichextendsthewidthoftheinternalclock,isalsoproposedtofacilitatedifferentsamplingfrequencies,whichprovidesmoretimeforthedigital-to-analogconvert(DAC)andcomparatortosettle.The10bitADCissimulatedin0.13mCMOSprocesstechnology.Thesignal-to-noiseanddistortionratio(SNDR)is54.41dBata10MHzinputwitha50MS/ssamplingrate,andthepoweris330W.