jgg     2015 35 (4):  658-661    ISSN: 0412-1961  CN: 21-1139/TG Comparison and Analysis of Different Models of Antenna Phase  Center Correction of BDS Satellites 1 College of Geology Engineering and Geomatics, Chang’an University, 126 Yanta Road, Xi’an 710054, China 2 National Key Laboratory of Geographic Information Engineering, 1 Mid-Yanta Road, Xi’an 710054， China 3 Beijing Satellite Navigation Center, Beijing 100094, China Received: 2014-12-01  Revised: null  Online: 2015-07-29 Supporting info