state estimation的用法和樣例：
例句
- Linear measurement equation and linear static state estimation algorithm based right-angle coordinate are proposed when only PMU measurements are used.
在完全使用相量量測的情況下，提出了基於直角坐標系的實數形式的電力系統線性量測方程，和相應的線性靜態狀態估計演算法。 - This paper also considers the estimation problems based on the different Cartesian coordinates.
本文還考慮了各感測器分佈在不同地理位置時的狀態估計問題。
