Generally, a linear least squares problem leads to ihc solution of the so called normal equation.

解线性最小二乘问题时，通常都要解所谓正规方程。

The coefficient matrix of normal equation which is comr puted strictly is used as the standard of controlling accuracy.

用严格计算的法方程系数矩阵作为控制精度的标准。

A new iteration for solution normal equation is applied to GPS rapid positioning by using several-epoch single frequency phase data.

将一种求解病态法方程的新方法——谱修整迭代法应用于单频GPS接收机快速静态定位。

If the coefficient matrix of the normal equation is ill-conditioned, the statistical character of adjustment parameter will become poor.

当法方程的系数矩阵呈病态时，平差参数的统计性质就要变坏。

The causes of rank defect of normal equation are analyzed, and then the problems are solved by advancing different method to different causes.

分析了法方程出现秩亏的可能原因，针对不同的原因提出了解决办法。