基于MATLAB的水准网经典平差系统的开发和应用

Under the general condition, indirect adjustment model are given the approximate value of parameters before being adjusted .Because observation value of leveling can be showed by approximate value of parameters, need not be given an approximation of the parameters before adjustment, you can adjust directly, and the adjustment value is the estimated value of parameters Therefore, this paper predigested indirect adjustment model .Based on MATLAB language and functionality and unique numerical calculation of the GUI functions to achieve the freedom of any network-level network, with a combined network of classic leveling adjustment system .Useing the assumption test analysed reliability of adjustment result .and an example for testing the reliability of the system .Test results show that the adjustment results of the system is reliable .this system is applicable for first-class, second class, third class, fourth, as well as any external network of free-standard leveling. And the adjustment result is reliable.