涉及长距离跨海高程传递的城市级似大地水准面模型计算优化方法研究  

Research on Optimization Method of Calculation of City-level Quasi-geoid Model with Long Distance Sea-crossing Elevation Transferring

作　　者：洪斌 周建营[2] 陈国恒 HONG Bin;ZHOU Jianying;CHEN Guoheng(Guangdong Shuyuan Surveying and Mapping Technology Company,Ltd.,Guangzhou 510535,China;Insitute of Surveying and Mapping,Department of Land and Natural Resources of Guangdong Province,Guangzhou 510500,China)

机构地区：[1]广东数源测绘技术有限公司,广州510535 [2]广东省国土资源测绘院,广州510500

出　　处：《热带地貌》2022年第2期38-43,共6页Tropical Geomorphology

摘　　要：本文通过江门市优于1 cm精度似大地水准面模型的建立,研究了带有长距离跨海高程传递的城市级似水准面模型确定所涉及的一些关键技术,包括优化控制网基线解算、提高长距离跨海高程传递精度、重力和水下地形数据缺失的处理等等,对此类附有大型岛礁的城市级似大地水准面模型的确定具有参考意义。Through the establishment of quasi-geoid model with accuracy better than 1 cm in Jiangmen city.The paper researched on some key techniques involved in the determination of city-level leveling model with long distance seacrossing elevation transmission,includes the optimization of baseline calculation of control network,improving the accuracy of long-distance sea crossing elevation transferring and the processing of the missing of gravity and underwater terrain data.

关 键 词：似大地水准面模型 跨海高程传递 高程异常 重力场模型 

分 类 号：P231[天文地球—摄影测量与遥感]