资源描述：
《宽带频谱监测技术研究》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、AbstractSpectrummonitoringisanimportanttoolformanagingtheradio,atthesametimeservesforgovernment,militaryandotherimportantnationalsecuritydepartments.Basedonsuchbackgroundandneeds,thisarticledothereseachanddesignworkonboardbandspectrummonitoringsystem.Firstly
2、,thearticleanalyzestheoveralldemandoftheboardbandspectrummonitoringsystemandthendesigndifferentfunctionalrequirementsfordifferentoperationalmode.Onthisbasisdividingthefunctionalmodulesintoseveralpartsaccordingtodifferenthardwareplatformtomakesureeachmoduleha
3、sitsownspecialjob.Finallyintegratethecomponentsofthemoduleandmaketheoveralldesignandexplanationforthewholesystemframework.Then,afteranalyzingbasicprincipleofRFfront-endcomponentsandtestingitsperformance,useFPGAprocessingplatformandembededcomputertocompleteba
4、sebanddigitalsignalprocess,mainlyincludingsignalacquisition,FFTtransformandsignaldetectionbasedonbackgroundnoise.Alsodosometheoreticalanalysisandsimulationworkforimportantmodulesandgiveoutspecialimplementationapproachcombinedwithgivenhardwareplatform.Finally
5、completetheoverallmoduleofdigitalsignalprocessingparts.Andthenintroduceanddesignthedatatransmissionmechanismsoftheentiresystem.CombinedthedatacharacteristicandthefeatureofUSBinterfaceandTCPprotocaldesignthedataframeformat.Nextdesignthespecificmonitorprotocal
6、andinstructionsbasedontherequirementofmonitoringsystemandcompletethefunction・Thetransmissionandmonitorsystemprovidetechnicalsupportforthewholesystem.Atlast,analyzeandevaluatesomerelevantsystemparameter,suchasresourceconsumptionofFPGA,sweeptimeforthewholeband
7、,frequencyresolution,samplinglengthandsoon,ensuretheviabilityoftheentiresystem.Keywords:Spectrummonitoring,Signaldetection,USBtransmission,Socket,Monitor摘要AbstractII1绪论1.1论文研究目的及意义11.2国内外研究现状21.3本文主要研究内容与论文结构安排32频谱监测系统总体需求及方案设计2.1系统总体需求分析52.2系统功能模块组成与划分62.3系
8、统主要指标82.4本章小结93监测站信号接收与处理设计3.1引言103.2多模式零中频接收机设计103.3基带信号处理模块设计253.4定点化分析与设计343.5本章小结394数据传输及控制系统设计4.1引言404.2数据传输系统设计404.3监控系统设计474.4本章小结545监测站关键性能评估5.1FPGA资源消耗分析555.2扫频时间估计575.3监测站性能评估汇总585.4本章
