jgg     2007 27 (2):  64-67    ISSN: 0412-1961  CN: 21-1139/TG GPS/INS ADAPTIVELY INTEGRATED NAVIGATION ALGORITHM BASED ON NEURAL NETWORK Gao Weiguang 1,2) ;Feng Xin 2) ; and Zhu Dawei 2) 1)Institute of Surveying and Mapping, University of Information Engineering, Zhengzhou 4500522)61081 Troops, Beijing 100094 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null