海洋测绘2017，Vol.37Issue(3)：17-20,4.DOI:10.3969/j.issn.1671-3044.2017.03.003
利用空中球面边值问题确定似大地水准面
Local Quasi-geoid Determination Based on Air Spherical Boundary Value Problem
刘楷 1田家磊1
作者信息
- 1. 解放军信息工程大学地理空间信息学院,河南郑州450001
- 折叠
摘要
Abstract
Aimed to the uncertainty of downward continuation for airborne gravity data.This paper discusses the air spherical boundary value problem of the disturbing potential,and the airborne gravimetric data is used as the air boundary condition of the disturbance position,in which the external value is the classical spherical boundary value problem,but the solution from the spherical surface to the ground does not have an analytical expression,and a series of expression about air boundary problems is given in this paper which can be used in downward continuation of airbome gravimetry data.Using ground data to check the calculation,and for the gravity survey data of 1km height,the first order solution can meet the centimeter level accurate of the calculation of the height anomaly.关键词
航空重力测量/重力异常/空中球面边值问题/级数解/扰动位Key words
airborne gravimetry/gravity anomaly/air spherical boundary value problem/disturbing potential/a series of expression分类
天文与地球科学引用本文复制引用
刘楷,田家磊..利用空中球面边值问题确定似大地水准面[J].海洋测绘,2017,37(3):17-20,4.
