jgg     2015 35 (2):  194-198    ISSN: 0412-1961  CN: 21-1139/TG Performance Analysis of GPS/GLONASS Single\|Epoch Ambiguity Resolution 1 College of Surveying and Geo\|Informatics, Tongji University, 1239 Siping Road, Shanghai 200092, China 2 State Key Laboratory of Geo\|Information Engineering,1 Mid\|Yanta Road, Xi’an 710054, China Received: 2014-04-03  Revised: null  Online: 2015-04-15 Supporting info