jgg     2008 28 (1):  92-95    ISSN: 0412-1961  CN: 21-1139/TG SPATIAL COORDINATE TRANSFORMATION BASED ON MULTIPLEPARAMETER REGULARIZATION AND ITS ACCURACY ANALYSIS Chen Zhengyu 1) ; and Liu Chun 1,2) 1)Department of Surveying and Geoinformatics, Tongji University, Shanghai 2000922)Key Laboratory of Advanced Engineering Survey of SBSM, Shanghai 200092 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null