scipy.signal.sos2tf

scipy.signal.sos2tf(sos)

Return a single transfer function from a series of second-order sections

Parameters:

sos : array_like

Array of second-order filter coefficients, must have shape (n_sections, 6). See sosfilt for the SOS filter format specification.

Returns:

b : ndarray

Numerator polynomial coefficients.

a : ndarray

Denominator polynomial coefficients.

Notes

New in version 0.16.0.