差分GPS载波相位整周模糊度快速解算方法Fast carrier phase integer ambiguity resolution for differential GPS
朱志宇,刘维亭,张冰
摘要(Abstract)：
本文提出了一种整周模糊度的快速求解方法,将差分GPS的测量值分配到主要测量值集合和次要测量值集合中,用主要集合中的相位测量值限定简约搜索空间,而次要集合中的相位测量值用来验证候选集合。利用已知的基线长度的约束条件,对搜索空间进行了简约,提高了求解整周模糊度的速度,同时,通过Cholesky分解提高搜索效率。
关键词(KeyWords)： 整周模糊度;全球定位系统(GPS);高斯整数变换;Cholesky分解
基金项目(Foundation):
作者(Author): 朱志宇,刘维亭,张冰
参考文献(References)：
- [1] HatchRRandSharpeT .AComputationallyEfficientAmbiguityResolutionTechnique[A].In:ProceedingofIONGPS 2001[C],SaltLakeCity,UT ,USA ,2001:1114.
- [2] RemondiBW .KinematicandPseudoKinematicGPS[A].In:ProceedingofthesatelliteDevisionoftheIn stituteofNavigationFirstInternational.TechmicalMeeting,ColoradoSprings,CO .1988:2123.
- [3] HwangPYC .KinematicGPSforDifferentialPosition ing:ResolveingIntegerAmbiguitiesontheFly[J].Mavigation:JouraloftheInstituteofNavigation,1991,38(1).
- [4] ParkCKimandLeeJG ,etal.EfficienttechniquetofixGPScarrierphaseintegerambiguityonthefly[J].IEEProcRadar,SonarNavig,1997,144(3):148155.
- [5] CounselmaCandGourevitachS .MiniatureIntergerom eterTerminalsforEarthSurveying:AmbiguityandMultipathwiththeGlobalPositionSystem[J].IEEETransactionsonGecscienceandRemoteSensing,1981,GE 19(4):244252.
- [6] TeunissenPJG .TheLeast squareAmbiguityDecorre lationAdjustment:AMethodforFastGPSIntegerAm biguityEstimation[J].JournalofGeodesy,1995,70:6582.
- [7] ChenD .FastAmbiguitySearchFilter(FASF):ANo valConceptfromGPAAmbiguityResolution[A].In:ProcessingoftheIONGPS 93[C],SaltLakeCity,Utah,Sept.2224,1993:781787.
- [8] ParkinsonBandSpilkerJ,etal.GlobalPositioningSystem:TheoryandPractice,VolumesIandII .Washington,DC :AmericanInstituteofAeromauticsandAstronauties,Inc.1996.
- [9] RemondiBW .KinematicandPseudoKinematicGPS[A].In:ProceedingofthesatelliteDevisionoftheInsti tuteofNavigationFirstInternational[C ],TechmicalMeeting,ColoradoSprings,CO .Sept.1988:2123.