iir_theory.py 文件源码

def cont2discrete(r, p, c, dt=8e-9):
    """
    Transforms residue and pole from continuous to discrete time

    Parameters
    ----------
    r: residues
    p: poles
    dt: sampling time

    Returns
    -------
    (r, p) with the transformation applied
    """
    r = np.asarray(r, dtype=np.complex128) * dt
    p = np.exp(np.asarray(p, dtype=np.complex128) * dt)
    return r, p, c