中文说明：微分方程组数值解方法，最小二乘回归分析算法，BP神经网络用于函数拟合与模式识别，仿真图是速度、距离、幅度三维图像，线性调频脉冲压缩的Matlab程序,利用matlab写成的窄带噪声发生。
English Description：
Method of numerical solution of differential equations, least-squares regression analysis method, function fitting based on BP neural networks and pattern recognition, simulation of speed, distance, three-dimensional images, linear frequency modulation pulse compression of the Matlab program, written using MATLAB narrowband noise generation.