This paper analyses the measure errors of electro-optical theodolite,build up the errors model,process these data with kalman filter,and create trajectory curve in corresponding wit.

• 利用基于椭圆成形方法建立的二次回转曲面加工误差模型,并用最小二乘方法建立了二次回转曲面铣磨误差辨识模型。