简介:ARGO-YBJ,aChinese-ItalianCollaboration,isgoingtofinishthefirststepoftheinstallationofthiscosmicraytelescopeconsistinginasinglelayerofRPCs,placedat4300m.elevation,inTibet,Thedetectorwillprovideadetailedspace-timepictureoftheshowersfront,initiatedbyprimariesofenergiesintherange10GeV-500TeV.Thedatatakingwillstartatthebeginningof2002withafractionofthedetectorinstalled.willbeupgradedtwotimes,beingcompletedattheendof2003,Inthispaperwebrieflydescribethedataflow,thetriggerorganization,thethreeoperationalstepsindatatakingandthecomputingmodeltoprocessthedata.theneedofremotemonitoringoftheexperimentwillbetouchedupon.TheprocessingpowerfortherawdatareconstructionandfortheMonteCarlosimulationisreported.
简介:TheARGO-YBJexperimentispresentlyunderconstructionattheYangbaijinghighAltitudeComsmicRayLaboratory(4300ma.s.l).90KmNorthtoLhasa(Tibet,peolpl'sRepublicofChina)ARGO-YBJwillstudyfundamentalissuesincosmicrayandastroparticlephysicsbydetectingsmallsizeairshowers.Thedetectorcovers-71×74squaremeterswithasinglelayerofresistivePlateCounters(RPCs),surroundedbyaguardringpartiallyinstrumented.Anevent-drivendatacollectionschemeisimplementedbyusingacustombusprotocol./Keyfeaturesofthisarchitectureareblock-orienteddatatransferandread-outcycleslabeledbytriggernumber,HardwareenginesinbothmasterandDAQboardshandlebustransactionsandprovideeventbuilingcapability,achievingreal-timedataprocessingwithnosoftwareoverhead.InthispaperwepresentthehardwaredesignoftheARGOexperiment'sDAQwhichbenefitsfromtheflexiblearchitectureofin-systemreconfigurableFPGAs.Thedataacquistitionboardsspecificallydevelopedforthisapplicationwillbedescribed.
简介:在从南船座介绍的situ观察,与卫星相结合的漂流检索了SST,雨率被用来通过2012年8月29日从20调查上面的海洋回答到台风Bolaven。在台风Bolaven的经过以后,加深混合的层深度(MLD),并且冷却混合的层温度(MLT)被观察。在混合的层咸度(MLS)的变化显示出因为在混合的层的导致台风的咸度变化被降水,蒸发,狂暴的混合和thermocline水的upwelling影响,增加并且减少的一个相等的数字。加深MLD并且冷却MLT显示了重要向右偏爱,而MLS被添到台风轨道的左边并且在另外的方面上增加了。铱漂流观察的集中的温度和咸度侧面使在台风的经过以后在上面的海洋看反应过程可能。冷却在近表面并且温暖在表面下被在暴风雨的开发阶段期间定位到气旋的磁道的左边的二铱漂流观察,在远处,最大值的半径相对台风中心弯屈。在混合的层的底和thermocline的顶的水咸度增加是那些二漂流观察的最明显的变化。在轨道并且在台风中心附近的右边上当台风被加强时,从海表面的重要冷却到200的深度
简介:简述了浮标电源的发展;电活性聚合物(EAP)是一种可以实现机械能和电能相互转换的智能材料,针对其在发电模式下工作时的发电原理进行了简要的分析研究;通过综述国外学者针对EAP发电方面的研究,证明了EAP波浪能发电的可能性,并进一步分析了EAP发电机作为浮标电源的新发展的可能性。
简介:ByimplementingtheARGOprogram,alargenumberofT-Sprofilescanbeobservedintheworldocean.However,itisverydifficulttoexaminechangesofthesensitivityofthesensorsequippedattheARGOfloats,becauseitisdifficulttounderstandtheirconditionintheseaandthereliabilityofthedata.Qualitycontrolmustbedoneinordertoavoidthewrongconclusiondeducedfromthewrongdata.OneoftherealisticmethodsforqualitycontroloftheARGOdataisthecomparisonwiththelocalclimatology.HighqualityclimatologicalT-SmodelsinnorthwestPacifichavebeenbuiltbasedontheNansenbottledataandCTDdataforthequalitycontrolinNMDIS.ThemodelsareusedtochecktheARGOdatainthisareaandhavegotgoodresult.