jgg     2014 34 (1):  173-176    ISSN: 0412-1961  CN: 21-1139/TG

APPLICATION OF  ROBUSTHELMERT VARIANCE COMPONENT 
ESTIMATION TO POSITION IN COMBINATION OF GPS AND BDS
1)School of Geoscience and InfoPhysics, Central South University, Changsha 410083
2)Key Laboratory of  Precise  Engineering of Surveying & Deformation Disaster Monitoring of Hunan Province, Changsha 410083
Received: 2013-05-19  Revised: null  Online: 2014-01-23
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