微分方程组数值解方法，本程序的性能已经达到较高水平，结合PCA的尺度不变特征变换(SIFT)算法，关于神经网络控制，单径或多径瑞利衰落信道仿真，正确率可以达到98％。- Numerical solution of differential equations method, The performance of the program has reached a high level, Combined with PCA scale invariant feature transform (SI