本文运用数理统计学原理分析了南通市一级导线网(B区)单位权中误差偏大的原因;
This paper analysis the reason why the middle error of unit weight in first class traverse of Nan Tong City (B area) is bigger with the principle of mathematic statistics;
通过与自由网平差结果对比表明,两种平差计算得到的单位权中误差相差不大,近似相等。
Compare to the free net adjustment result, these two unit weighted errors are closely approximated.
新的抗差方案试图实现如下三阶段目标:1)选取抗差性能很强的初值,包括定位参数和单位权中误差的初值。
The new scheme put forward in the present paper can realize this object by the following stages:1)to select the suitable beginning values for iterative solution ;
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