本代码给出了几个Matlab编程示例，其中包括：单位抽样序列、KFhjKcN序列、离散系统的差分方程、冲激响应和卷积分析、离散系统的频率响应分析和零、极点分布、基于Matlab的数字滤波器设计和UCsakGl算法的应用等。-This code shows a few matlab programming examples, including: unit sequential sampling, KFhjKcN sequence, discrete system of differential equations, shock response analysis of convolution, discrete system frequency response analysis and zero, pole distribution, based on the application of matlab digital filter design and KFhjKcNl algorithm.