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IIR滤波器设计程序

树林错过了风儿,留下些树叶作为纪念。

依赖

  1. GNU MP
  2. GNU MPFR
  3. MPREAL

Build

mkdir build
cmake -B build . -G "Ninja"
cmake --build build

Use

滤波器类型:

number type
0 Butterworth
1 Chebyshev1
2 Chebyshev2
3 Elliptic

滤波器频带类型:

number type
0 Lowpass
1 Highpass
2 Bandpass
3 Bandstop

设计模拟滤波器

cd build
AFD_test.exe

设计数字滤波器

cd build
DFD_test.exe

输出中有系统的各项的LaTeX

带阻滤波器的设计和Mathematica设计出来的有较大出入(差异在于过渡带),Elliptic型似乎没有这个出入

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