摘要
研究了在地形测绘中提高交会点点位精度的方法，并对前方两点交会与三点交会给出了两者点位精度的彼此关系．
In this paper, according to the discussion of the mean square error of ahead conflunce point in graph-root control surveying, we give some methods to analyse the error precision of the point of confluence.
出处
《中南民族大学学报（自然科学版）》
CAS
1995年第2期61-63,共3页
Journal of South-Central University for Nationalities：Natural Science Edition
关键词
图根控制点
前方交会法
中误差
点位精度
graph-root control point
method of conflunce point in front
mean square error
point precision
