Volume 38 Issue 2
Feb.  2013
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ZHANG Shuangcheng, ZHANG Pengfei, ZHANG Qin, YE Shirong. Ground-based GPS Tomography Spatial Water Vapor Distribution with Robust Variance Components Estimation[J]. Geomatics and Information Science of Wuhan University, 2013, 38(2): 144-147.
Citation: ZHANG Shuangcheng, ZHANG Pengfei, ZHANG Qin, YE Shirong. Ground-based GPS Tomography Spatial Water Vapor Distribution with Robust Variance Components Estimation[J]. Geomatics and Information Science of Wuhan University, 2013, 38(2): 144-147.
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Ground-based GPS Tomography Spatial Water Vapor Distribution with Robust Variance Components Estimation

  • 1 College of Geology Engineering, Chang'an University, 126 Yanta Road, Xi'an 710054, China;

  • 2 GNSS Engineering Research Center, Wuhan University, 129 Luoyu Road, Wuhan 430079, China

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  • Received Date: December 14, 2012
  • Published Date: February 04, 2013
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    • Abstract
  • With the rapid development of GNSS,especially for COMPASS and regional CORS station,how to use these abundant GNSS signals to tomography spatial water vapor becomes one of research focuses.It is necessary to use additional constrained condition for tomography spatial water vapor.In order to get reasonable weight for different observations and reduce atmosphere effect for lower elevation GPS signals,the tomography algorithm with robust variance components estimation(R-VCE) is detailed researched and analyzed in this paper.The results indicate that the algorithm with R-VCE is reliable for Ground-based GPS tomography water vapor.
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