least squares line meaning in English

最小平方线

Considering the time delay of sound transfer , a least square line - of - sight location method is presented in this paper . 4 . filtration matrix is developed to make the problem of multiple target tracking in net can be regarded as a problem of multisensor - multitarget tracking in a same region
利用最小二乘理论，研究了多静止站单目标无源纯方位定位方法，给出了多静止站单目标的视线交叉定位算法，同时针对声音传播的延时特性，提出了处理具有延时特性的最小二乘迭代视线交叉定位算法。