scipyでフィルタ作成 - Qiita

# !/usr/bin/env python # -*- coding: utf-8 -*- import scipy as sp import numpy as np import matplotlib.pyplot as plt from scipy import signal if __name__ == '__main__': #64タップで通過域が0〜0.25, 阻止域が0.3〜0.5なフィルタ taps = 64; edge = [ 0, 0.25 , 0.3, 0.5 ] gain = [ 1.0, 0.000 ] weight = [ 0.2, 1.0 ] remez_impres = sp.signal.remez( taps, edge, gain ) remez_freq, remez_fresponse = sp.signal.freqz( remez_impres