1) two-step scheme of robust estimation
两步抗差
1.
At last,the two-step scheme of robust estimation is put forward.
详细地论述了几种经典的选权迭代抗差估计方法的不足,并从理论出发,提出了两步抗差方案。
2) two-step robust estimation
两步抗差估计
3) three stepwise updating method
三步抗差修正
1.
As the gross error in telemetering rainfall observation is unavoidable,a three stepwise updating method was developed based on the rainfall distribution characteristics and robust estimation theory.
遥测系统观测的雨量资料常会包含粗差,根据降雨量的特征,结合抗差理论,包为民等曾提出三步抗差修正方法[2-5]。
4) Three-steps scheme of robust estimation
三步抗差方案
5) two steps covariance improvement estimate
两步协方差改进估计
1.
We put forward a generalized two steps biased estimate and prove that the mean square error of the generalized two steps biased estimate is less than the mean square error of the two steps covariance improvement estimate when the designed matrix is ill-condition.
本文提出了一类相依回归系统参数的广义两步有偏估计,证明了当设计矩阵呈病态时,广义两步有偏估计的均方误差小于两步协方差改进估计的均方误差。
2.
We put forward a two steps biased estimate and prove that the MSE of above estimate is less than the MSE of the two steps covariance improvement estimate when the multi-collinearity is exis
本文提出了一种两步有偏估计，证明了当设计矩阵呈病态时，这种有偏估计的均方误差小于两步协方差改进估计的均方误差。
6) two-stepiterative algorithm with errors
具误差的两步迭代算法
补充资料：跨步电位差
跨步电位差
step potential difference
kU0bUd旧nwe一Cho跨步电位差(st印potential differenee)电流自接地电极经周围土壤流散时，会在土壤中产生压降并形成一定的地表电位分布，将地面上水平距为。.sm的两点间的电位差称为跨步电位差。 跨步电位差的最大值出现在电极附近的地面上和地网突出边角外侧的地面上。最大跨步电位差E.m和相应的电极(或地网)电位IR(I为经电极或地网流散的电流，R为电极或地网的接地电阻)的比值称为跨步电位差系数K.，即二，一箫 闭合均压地网的外缘各角应做成圆弧形，以使地网外侧地面的电位比较均匀，达到降低跨步电位差的目的，圆弧的半径可取均压带间距的一半。 均压带为等间距布置时，跨步电位差系数可按下图确定。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条