时差定位算法与授时信息传输实现分析

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1、ABSTRACTconcurrentexecutionofmultithreadedapplicationmechanisminprecisetimingmodebyDSPisintroduced,whichmaintainsthewholesysteminanorderlywayofwork.Finallyexperimentsofpassivetimedifferencelocationsystemhavebeendone.Thecomparativeanalysisoftheresultshasbeenmadethroughdebugsoftware.Experimen

2、talresultsshowthatsystemdatacommunicationmechanismandDSPmultithreadedprogramsmechanismcanbenormaloperation.WhenSystemuseshomologousclock,thetimedelayis0ns,forIFmodulationsignalwhichisproducedbysignalgenerator,wecangetprecisetimedelayresults,whicherrorislessthan100ns.Keywords:Timedelayestima

3、tion,PassiveTime-differencelocalization,datacommunication,multithreadingIII万方数据目录目录第一章绪论....................................................................................................................11.1研究背景及意义............................................................................

4、....................11.2无源时差定位算法发展概况............................................................................21.3本文的主要研究工作........................................................................................3第二章时延估计算法研究..................................................................

5、..........................52.1互相关法............................................................................................................52.2广义互相关法....................................................................................................62.3EDTE法..............................

6、............................................................................102.3.1算法概述...............................................................................................102.3.2EDTE算法仿真....................................................................................132.4时延估计算

7、法仿真..........................................................................................142.5算法总结..........................................................................................................152.6本章小结.....................................