The problems of uncertainty estimation are analyzed in detail when measurement results of form errors are evaluated with the methods of least-square and minimum zone.
详细分析了用最小二乘法和最小包容区域法评定形状误差测量结果时的不确定度估计问题。
And estimated the unknown quantity using the methods of least square estimation and local polynomial estimation, obtained the consistency of estimation under certain condition.
在半参数回归模型中采用最小二乘估计方法结合局部多项式方法来估计未知量，在一定条件下得到了估计量的相合性。
And estimated the unknown quantity using the methods of least square estimation and local polynomial estimation, obtained the consistency of estimation under certain condition.
在半参数回归模型中采用最小二乘估计方法结合局部多项式方法来估计未知量，在一定条件下得到了估计量的相合性。
应用推荐