Relief计算分类权重，相控阵天线的方向图（切比雪夫加权），pwm整流器的建模仿真，BP神经网络用于函数拟合与模式识别，利用matlab GUI实现的串口编程例子，是信号处理的基础。- Relief computing classification weight, Phased array antenna pattern (Chebyshev weights), Modeling and simulation pwm rectifier BP neural network function fitting and pattern recognition, Use serial programming examples matlab GUI implementation, Is the basis of the signal processing.