jgg     2009 29 (3):  109-113    ISSN: 0412-1961  CN: 21-1139/TG TURBOEDIT ALGORITHM AND ITS IMPROVEMENTS INUBDIFFERENTIATED PHASE DATA PREPROCESSING Yuan Yubin 1) ;Dang Yamin 1,2) ;Cheng Yingyan 1) ; and Zhou Guomeng 3) 1)Chinese Academy of Surveying and Mapping, Beijing 1000392)Geomatics College, Shandong University of Science and Technology, Qingdao 2665103)Shenyang Surveying & Mapping Research Institute,Shenyang 110015 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null