desiir.for 利用双线性Z变换设计巴特沃斯和切比雪夫I型IIR数字滤波器，包括低通、高通、带通、带阻四种形式。使用者只需指定通带、阻带的边缘实际频率及相应的衰减，便可输出数字滤波器 的级联形式的各子系统分子、分母的系数，并输出其幅频和相频响应。 -bilinear Z transform desiir.for design using Butterworth and Chebyshev IIR digital filter-I, including the low-pass, h

计算归一化巴特沃斯或切比雪夫I型模拟低通滤波器所需的阶次-Calculation of normalized Butterworth or Chebyshev type I analog lowpass filter order of the required

用matlab实现双线性变换切比雪夫I型低通滤波器设计-Bilinear transformation chebyshev type I low-pass filter design

基于等波动特性的切比雪夫(Chebyshev)函数的数字滤波设计（包括ChebyshevⅠ型和ChebyshevⅡ型的低通，高通，带通，带阻滤波器）-Based on the wave characteristics of Chebyshev design of digital filter function (low pass, including Chebyshev type I and type II Chebyshev high pass, band pass, band stop fi

切比雪夫I型滤波器的源码，完成滤波功能。(The source code of the Chebyshev I filter completes the filtering function.)