简介：PuLsetransittime(FIT)isusedasanoninvasiveandcull-lessparametertoestimatebloodpressure.Inthispaper,wedevelopanalgorithmtoobtainFTTrapidly,whichisappropriateformicro-processorandcouldachievegoodaccuracyinPTT,eveninnoisymeasurements.Thealgorithmisbasedonfiniteimpulseresponse(FIR)filtertoreducethenoiseandanadaptivethresholdtodetectthesignificantpointsofECGandPPG.EvaluationofthismethodisbasedonthesignalsfromourPTr-basedbloodpressuredevices.ItisshownthatthemethodworkswellforPPTcalculation.

简介：Thetopicofthispaperistheutilizationoftimeforopticalinformationprocessing.AsclockratesincomputingandcommunicationsystemsincreaseandreachtheTHzborder,opticaltechniquesforsignalfiltering,shapingandclockdistributionbecomeattractive.Wediscusstheuseofopticsintemporalprocessingandconsiderinparticulardiffractivesolutions.Inpartoneofthispaper,wediscussthebasicconceptsoftemporaloptics.

简介：Duringtheformationofsub-wavelengthripples,theinitialsurfaceplasmon(SP)-laserinterferenceplaysanimportantrole.InthisLetter,theeffectsofgratingstructuresonthedistributionoftheabsorbedlaserintensity,SP-lasercoupling,freeelectrondistributions,andablationshapesareinvestigatedbytheplasmamodel,takingintoconsiderationboththelaserwave-particledualityandthetransientlocalizedchangesofmaterialproperties.ThesimulationresultsshowthatthegratingstructurescanstronglyenhancetheenergyabsorptionandSP-lasercoupling,whichmakesthefabricationofsub-wavelengthripplesmoreefficient.Itisalsofoundthattheablationshapes,intermsofablationdepthsandsub-wavelengthripplesperiods,arestronglyrelatedtothegratingstructures,whichcanbeusedtocontrolmicro/nanostructurespreciselyanduniformly.

简介：Twodifferentmethodsfromgraphicprocessingunit(GPU)andcentralprocessingunit(CPU)areproposedtosuitablyoptimizelook-uptablealgorithmsofcomputergeneratedholography(CGH).Thenumericalsimulationsandexperimentalresultsshowthatwecanreconstructagoodqualityobject.ThecomputationofCGHforathree-dimensional(3D)dynamicholographicdisplaycanalsobespedupbyprogrammingwithourproposedmethod.Itcanoptimizebothfileloadingandtheinlinecalculationprocess.Thephase-onlyCGHwithgigabytedataforreconstructing10MBobjectsamplingsisgenerated.Inaddition,theproposedmethodeffectivelyreducedtimecostsofloadingandwritingofflinetablesonaCPU.ItisbelievedtheproposedmethodcanprovidehighspeedandhugedataCGHfor3Ddynamicholographicdisplaysinthenearfuture.