虚拟压缩恢复法在向下延拓问题中的应用  

APPLICATION OF THE FICTITIOUS COMPRESS RECOVERY APPROACH IN THE DOWNWARD CONTINUATION

作　　者：申文斌[1] 鄢建国[1] 晁定波[1] 

机构地区：[1]武汉大学测绘学院

出　　处：《测绘信息与工程》2006年第4期1-4,共4页Journal of Geomatics

基　　金：国家自然科学基金资助项目(40174004;40574004);地球空间环境与大地测量教育部重点实验室开放研究基金(测绘基础研究)资助项目(03-04-13);教育部留学基金资助项目

摘　　要：阐述了基于虚拟压缩恢复法的重力场向下延拓,构造了点质量处于内部球内部、内部球外部和在内部球内外各有一个点质量三种点质量异常模型,试验结果支持基于虚拟压缩恢复法的向下延拓。The downward continuation based on the fictitious compress recovery approach is introduced. As simulation experiment tests,three point-mass models are chosen..a point mass located inside an inner sphere; a point mass located outside an inner sphere; two point masses located separately in the interior and outside of the inner sphere. The simulation experiment results with these three models support the fictitious downward continuation.

关 键 词：重力场向下延拓问题 虚拟向下延拓 点质量模型 模拟试验检验 

分 类 号：P223.0[天文地球—大地测量学与测量工程]