简介：C4ISR系统正向网络中心化发展，其体系架构研究成为系统研制和建设中的关键问题之一。总结归纳了C4ISR系统架构的发展历程，提出了C4ISR系统网络中心架构模型。该模型是一种基于军事信息基础设施的“三网”耦合模型。针对体系资源的组织和运用，进一步提出了C4ISR系统网络中心资源组织与处理模型，旨在为网络中心化C4ISR系统的设计、研制和建设提供理论指导和参考。

简介：Inrecentyears,microstripantennashavebeenmorewidelyappliedinsatellitecommunications,mobilephones,unmannedaerialvehicle(UAV),andweapons.Amicro-electro-mechanicalsystems-based(MEMS-based)high-resistancesiliconC-bandmicrostripantennaarrayhasbeendesignedfortheintelligentammunition.Thecenterfrequencyis4.5GHz.Acavityhasbeendesignedinsubstratetoreducethedielectricconstantofsiliconandhigh-resistancesiliconhasbeenusedasthematerialofsubstratetoimprovethegainofantenna.ItisveryeasytobemanufacturedbyusingMEMStechnologybecauseoftheimprovedstructureoftheantenna.Theresultsshowthatthegainoftheantennais8dBandvoltagestandingwaveratio(VSWR)islessthan2bytheanalysisandsimulationinhighfrequencystructuresimulator(HFSS).

简介：Inthiswork,ahardwareintrusiondetectionsystem(IDS)modelanditsimplementationareintroducedtoperformonlinereal-timetrafficmonitoringandanalysis.TheintroducedsystemgatherssomeadvantagesofmanyIDSs:hardwarebasedfromimplementationpointofview,networkbasedfromsystemtypepointofview,andanomalydetectionfromdetectionapproachpointofview.Inaddition,itcandetectmostofnetworkattacks,suchasdenialofservices(DoS),leakage,etc.fromdetectionbehaviorpointofviewandcandetectbothinternalandexternalintrudersfromintrudertypepointofview.GatheringthesefeaturesinoneIDSsystemgiveslotsofstrengthsandadvantagesofthework.Thesystemisimplementedbyusingfieldprogrammablegatearray(FPGA),givingamoreadvantagestothesystem.AC5.0decisiontreeclassifierisusedasinferenceenginetothesystemandgivesahighdetectionratioof99.93%.