def cheby2(N, rs, Wn, btype='low', analog=False, output='ba'):
    return iirfilter(N, Wn, rs=rs, btype=btype, analog=analog,
                     output=output, ftype='cheby2')
Chebyshev type II digital and analog filter design.
dataset/ETHPy150Open scipy/scipy/scipy/signal/filter_design.py/cheby2