针对高阶次、低截止频率的Chebyshev模拟滤波器离散化发散问题,从滤波器阶次、采样步长、截止频率、离散化方法、滤波器种类等方面进行了细致分析,得出定性原因,并针对该问题给出了通用解决方法。通过仿真实例和试验,验证了所提方法的有效性。 Aiming at the discretization of the Chebyshev analog filter with high-order and low-cutoff frequencies, the paper analyzes the discretization of the Chebyshev analog filter in details, including filter order, sampling step, cutoff frequency, discretization method and filter type, A general solution to this problem is given. Through the simulation examples and experiments, the effectiveness of the proposed method is verified.