重要参数的提取，快速扩展随机生成树算法，含噪脉冲信号进行相关检测,从先验概率中采样，计算权重，matlab程序运行时导入数据文件作为输入参数，这个有中文注释，看得明白。- Extract important parameters, Rapid expansion of random spanning tree algorithm, Noisy pulse correlation detection signal, Sampling a priori probability, calculate