jgg     2010 30 (4):  156-159    ISSN: 0412-1961  CN: 21-1139/TG STUDY ON PHASE UNWRAPPING OF SAR INTERFEROGRAM OVER MOUNTAIN REGION IN WESTERN CHINA Ju Chengyu 1,2) ;Deng Kazhong 1,2) ; and Fan Hongdong 1,2) 1)Jiangsu Province Key Laboratory Resources and Environmental Information Engineering, Xuzhou 221116 2)chool of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null