LU Chenlong, Kuang Cuilin, YI Zhonghai, ZHANG Zhetao. Singular Spectrum Analysis Filter Method for Mitigation of GPS Multipath Error[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 924-931. DOI: 10.13203/j.whugis20130570
Citation: LU Chenlong, Kuang Cuilin, YI Zhonghai, ZHANG Zhetao. Singular Spectrum Analysis Filter Method for Mitigation of GPS Multipath Error[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 924-931. DOI: 10.13203/j.whugis20130570
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Singular Spectrum Analysis Filter Method for Mitigation of GPS Multipath Error

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  • AnewfilteringmethodformitigationofGPSmultipatherrorisproposedinthispaperbasedonsingularspectrumanalysis,andthecharacteristicsoftheHurstindexfornoiseandsignal.Atthesametime,astandardforembeddingdimensionLandreconstructionorderParegivenandthenthemethodisappliedtoGPSmultipathmitigation.AfteranalyzingsimulateddataandarealseriesofGPScoordinates,resultsshowthatthesingularspectrumanalysisfilteringmethodisaneffectivedenoisingmethod,asthedenoisingeffectisthesameaswaveletfilterandEMDfiltermethod.Consideringthemultipathrepeatabilityeffect,acorrectionmodelwasestablishedbasedonthisfiltermethod,whichcaneffectivelyweakentheinfluenceofthemultipatheffect,thusimprovingtheaccuracyofGPSdy namicdeformationmonitoring.
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