jgg     2010 30 (第3期):  110-112    ISSN: 0412-1961  CN: 21-1139/TG STUDY ON PRECISE POINT POSITIONING ACCURACY AFFECTED BY DCB Huang Jian 1) ; Wang Ping 1) ; Ruan Rengui 1) ; Lin Yuying 1) ; and Zhang Yong 2) 1)Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 4500522)73603 Troops, Nanjing 210049 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null