基于RSSI的三点定位测算距离，并将坐标显示在图形中-Three RSSI-based localization estimates the distance, and the coordinates are displayed in the graph

通过随机部署信标节点来定位目标，当距离最近三个信标节点之间相互连接时，出现在信标节点组成的网格内，可以定位目标对象(The target object is located by the random deployment of beacon nodes. When the nearest three beacon nodes are connected to each other, the target object can be located in the grid of the beac