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《Science of Surveying and Mapping》 2013-03
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EEMD filtering technology in GPS multipath effect

XU Jia ①②,YANG Qiu-shi ①,YANG Fan ①(①Geomatics College of Liaoning Technical University,Liaoning Fuxin 123000,China;②Lab.of Geographic Spatial Information Technology and Application,Liaoning Technical University,Liaoning Fuxin 123000,China)  
The method based on the Ensemble Empirical Mode Decomposition(EEMD) technique for filtering was studied in this paper,according to the day repeatability and low frequency to GPS multipath effects for structural dynamic monitoring.Fourier transform spectral characteristics for intrinsic mode function(IMF) from EEMD was studied to estabilish a new spatio-temporal filter.Then the correlation coefficient of two consecutive days of GPS dynamic monitoring data of EEMD results was studied to extract GPS multipath effects.The experimental results showed that this method could effectively provide efficient data for further dynamic modal analysis on structural deformation.
【Fund】: 国家科技支撑计划项目(2006BAG04B03);; 辽宁省教育厅资助项目(2008295);; 辽宁工程技术大学地理空间信息技术与应用实验室基金资助项目(2006009)
【CateGory Index】: P228.4
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【Citations】
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