简介:回想去年年来的手机市场,以索尼爱立信P908.摩托罗拉A768.多普达696等为主的智能手机着实火了一把,也让手机在功能方面进行了一次洗礼。那时候也有很多人认为智能手机会在今年大红大紫,成为当然的主流。然而.手机在功能方面虽然一直在发展.但却衍生出拍照手机商务手机.娱乐手机等不同的形态.在过去意义上的综合性能的智能手机新品却并不多见。作为摩托罗拉A768和索尼爱立信P908的升级作品,摩托罗拉A780和索尼爱立信P910c这两款智能手机终于在年底和人们见面了,同时出现在手机市场的选两款重量级作品到底有什么独到之处?这里就向大家一一进行展示。
简介:Underthecomplicatedelectromagnetismcircumstance,themodelofdatafusioncontrolandguidanceofsurface-to-airmissileweaponsystemsisestablished.SuchwaysandtheoriesasElman-NN,radartrackingandfilter’sdatafusionnetbasedonthegroupmethodfordata-processing(GMRDF)areappliedtoconstructingthemodelofdatafusion.Thehighlyreliablestateestimationofthetrackingtargetsandtheimprovementinaccuracyofcontrolandguidanceareobtained.Thepurposeisoptimizationdesignofdatafusioncontrolandguidanceofsurface-to-airmissileweaponsystemsandimprovingthefightingeffectivenessofsurface-to-airmissileweaponsystems.
简介:Classicalnetworkreliabilityproblemsassumebothnetworksandcomponentshaveonlybinarystates,fullyworkingorfullyfailedstates.Butmanyactualnetworksaremulti-state,suchascommunicationnetworksandtransportationnetworks.Thenodesandarcsinthenetworksmaybeinintermediatestateswhicharenotfullyworkingeitherfullyfailed.Asimulationapproachforcomputingthetwo-terminalreliabilityofamulti-statenetworkisdescribed.Two-terminalreliabilityisdefinedastheprobabilitythatdunitsofdemandcanbesuppliedfromthesourcetosinknodesunderthetimethresholdT.Thecapacitiesofarcsmaybeinastochasticstatefollowinganydiscreteorcontinuousdistribution.Thetransmissiontimeofeacharcisalsonotafixednumberbutstochasticaccordingtoitscurrentcapacityanddemand.Tosolvethisproblem,acapacitatedstochasticcolouredPetrinetisproposedformodellingthesystembehaviour.Placesandtransitionsrespectivelystandforthenodesandarcsofanetwork.Capacitatedtransitionandself-modifiedtokencolourwithrouteinformationaredefinedtodescribethemulti-statenetwork.Bythesimulation,thetwo-terminalreliabilityandnodeimportancecanbeestimatedandtheoptimalroutewhosereliabilityishighestcanalsobegiven.Finally,twoexamplesofdifferentkindsofmultistatenetworksaregiven.
简介:上网、冲浪是现在十分流行的话题,网络的巨大魅力通过电脑显现出来。“足不出户知天下”这一古人的幻想现在终于成为了现实。科学的进步、社会的昌明,让我们在现代的浪潮中不断的向前进步,并获益无穷。我们不能不想到,音响与网络的关系。网上有无穷无尽的信息,各式各样的变化,也包括类别各异的音乐,那么,我们如何通过音响,同样感受到网络的精彩,享受到网络丰富的音乐资源?有不少音响人士分析,未来,碟机是会消失的,因为网络就是巨大的节目源,取之无穷,用之不尽。而安桥以领先的科技与前瞻性,率先提出了NetAudio的新概念,以新推出的TX-NR900放大器为网络音频用户端,通过网络(LAN)连接到电脑,让我们可以在家中欣赏到网络广播与电脑中的音乐内容。