电力系统加权最小二乘准则的状态估计，通常采用正规方程法。
Power system state estimation is usually formulated as a weighted least-squares problem and is solved iteratively by the normal equation method.
本文给出了基于极径法球面测量的加权最小二乘估计模型，并依据该模型进行测量采样点布局的优化设计。
This article suggests a model for weighted least squares estimate for spherical surface measurement with polar radius method.
本文给出了基于极径法球面测量的加权最小二乘估计模型，并依据该模型进行测量采样点布局的优化设计。
This paper gives weighted least squares estimate and the method to choose optimum weighted function for linear regression model.
本文给出了基于极径法球面测量的加权最小二乘估计模型，并依据该模型进行测量采样点布局的优化设计。
This paper gives weighted least squares estimate and the method to choose optimum weighted function for linear regression model.
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