学科分类
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22 个结果
  • 简介:在这份报纸,分析了是在直角的频率分割的标志同步算法复合(OFDM)系统,并且完成是粗糙、精致的同步算法的硬件电路设计。基于粗糙、精致的同步算法的分析,多路,模块累加器,部门和输出判断,它能显然保存硬件资源费用。电路顺序和设计计划的波浪表格模拟的分析证明建议方法高效地减少系统资源和电源消费。

  • 标签: 同步技术 正交频分复用系统 OFDM 模块
  • 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%.

  • 标签: 决策树分类器 网络流量 FPGA 入侵检测系统 安全性 现场可编程门阵列