本文提出利用反演理论对GIS数据进行质量评价,对超定、适定、欠定等问题分别求取相应解,为GIS数据质量的研究提出了新的思路。
In this paper, I put forward inversion theory assessing GIS data quality, gave respondence solution for different problem. This is a new clue to research for GIS data quality.
本文借助于变分法中求泛函极小化的方法提出求解超定大地边值问题的新方法。
A new method to solve over-determined geodetic boundary value problem is proposed with the help of minimizing some kinds of functional in variation calculus.
重力场恢复最终归结为超定线性方程组的求解问题。
The problem of gravity field recovery can be attributed to the solution of over determined system of equations.
Two or one! It was, in other words, about the problem of incest, the problem of the over-determination of blood relations and the under-determination of blood relations.
二或一,换句话说,是乱伦问题,是血缘的超定,和不充分决定的问题。
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