BP神经网络用于函数拟合与模式识别，最终的权值矩阵就是滤波器的系数，均值便宜跟踪的示例，线性调频脉冲压缩的Matlab程序,pwm整流器的建模仿真，单径或多径瑞利衰落信道仿真。-BP neural network function fitting and pattern recognition, The final weight matrix is ??the filter coefficient, Example tracking mean cheap, LFM pulse compression of the Matlab program, Modeling and simulation pwm rectifier Single path or multipath Rayleigh fading channel simulation.