jgg     2015 35 (1):  87-91    ISSN: 0412-1961  CN: 21-1139/TG

Research of the Characteristics of Inversing Global Ionospheric 
with Fusing of BDS,GPS and GLONASS
1 Chinese Academy of Surveying and Mapping, 28 West-Lianhuachi Road, Beijing 100830, China
2 College of Geomatics,Shandong University of Science and Technology,579 Qianwangang Road, Qingdao 266590, China
Received: 2014-03-05  Revised: null  Online: 2015-02-06
Supporting info