从先验概率中采样，计算权重，可实现对二维数据的聚类，采用偏最小二乘法，仿真效果非常好，随机调制信号下的模拟ppm，是机器学习的例程。- Sampling　a priori probability, calculate the weight, Can realize the two-dimensional data clustering, Partial least squares method, Simulation of the effect is very good, Random ppm modulated analog signal under Machine learning routines.