jgg     2010 30 (第3期):  147-150    ISSN: 0412-1961  CN: 21-1139/TG GIVENS TRANSFORMATION WITH WEIGHTED PARAMETERAND ITS APPLICATION IN NAVIGATION SATELLITE BROADCAST EPHEMERIS FITTING Cui Xianqiang 1,2) 1)College of Geology Engineering and Geomatics, Chang’an University, Xi’an 7100542)Xi’an Research Institute of Surveying and Mapping, Xi’an 710054 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null