载波相位观测值的周跳探测与修复与程序设计，通过多项式拟合法进行探测与修复的工作。-Carrier phase observations of cycle slip detection and repair and programming, through the polynomial fitting, detection and repair work.

实现多点拟合圆操作，并且可以显示坐标，修改坐标值后，可重新显示图形，且可与原图形对比-Multi-point fitting circle operation, and can display the coordinates after modify the coordinate values ​ ​ can be re-display graphics, and comparison with the original graphics

一，二，三次拟合，并得到R方的检验。输入任何矩阵，得出险要的值。-One, two, three fitting and get R-square test. Enter any matrix derived advantageous values.

5 最小二乘法的曲线拟合-Least-squares curve fitting method