jgg     2010 30 (2):  148-151    ISSN: 0412-1961  CN: 21-1139/TG ON SINGLE EOPCH AMBIGUITY RESOLUTION OF SHORTBASELINE BASED ON TIKHONOV REGULARIZATION Kong Lingjie ;and Huang Guanwen College of Geology Engineering and Geomatic, Chang’an University, Xi’an 710054 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null