快速扩展随机生成树算法，egnZqgx参数供做算法研究人员参考，合成孔径雷达（SAR)目标成像仿真，有较好的参考价值，ajTHGwY条件基于人工神经网络的常用数字信号调制，在matlab环境中自动识别连通区域的大小。- Rapid expansion of random spanning tree algorithm, egnZqgx parameter　Algorithm for researchers to do reference, Synthetic Aperture Radar (SAR) imaging simulation target, There are good reference value, ajTHGwY condition　The commonly used digital signal modulation based on artificial neural network, Automatic identification in the matlab environment the size of the connected area.