变压器局部放电的定位，运用music算法，可实现变压器中单点、两点或三点的定位-Positioning transformer partial discharge, the use of music algorithm can achieve a single point of the transformer, two or three point positioning

室内三点定位。三边定位算法，一种基于距离信息实施定位的方法。已知三个发送端点的坐标和发送端到待测点间的距离，就可以唯一确定待测点坐标。(Indoor three point location. Three edge location algorithm, a method based on distance information for positioning. Given the coordinates of the three sending endpoints and the dista