Considering the differences in area, precision, datum and resolution existing among the national, provincial and urban quasi-geoids, some methods such as datum transformation and weighting according to precision are p...Considering the differences in area, precision, datum and resolution existing among the national, provincial and urban quasi-geoids, some methods such as datum transformation and weighting according to precision are presented in this paper to normalize the quasi-geoid models with different areas, precisions, datums and resolutions. In this way, the seamless splicing of quasi-geoid is realized.展开更多
基金Supported by the National 863 Program of China (No. 2006AA12Z323)the National 973 Program of China (No. 2006CB701301)+2 种基金the National Natural Science Foundation of China (No. 40774008)the Open Research Fund Program of the Key Laboratory of Geospace Environment and Geodesy,Ministry of Education, China (06-10)the Grand Program of Zhejiang Province S and T Department (No.2008C11106-2)
文摘Considering the differences in area, precision, datum and resolution existing among the national, provincial and urban quasi-geoids, some methods such as datum transformation and weighting according to precision are presented in this paper to normalize the quasi-geoid models with different areas, precisions, datums and resolutions. In this way, the seamless splicing of quasi-geoid is realized.