Anti Error Fitting Model Analysis Based on Least Squares
Dong Zhong-yu · Journal of Shenyang Jianzhu University · 2007
The paper aims to bring forward anti error fitting model based on least squares and test reliability.Using numerical analysis method and GLSPA the paper researches into the plane,conicoid and three cubed anti error fitting model.The result indicates that conicoid anti error is smaller than that of plane and three cubed anti error fitting model,but the validity of the model doesn't necessarily have relationship with model steps.Anti error fitting model precision relates to point distribution.We compare the anti error fitting model with other models.The special point needs more anti error calculations.The model improves the height simulation precision.So the model modifies the precarious disadvantage of general simulation model.Practice data proves that the model can obtain the precision of grade geometry level.