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bundles / scipy latest / scipy / signal / _filter_design / sos2zpk

function

scipy.signal._filter_design:sos2zpk

source: build-install/usr/lib/python3.14/site-packages/scipy/signal/_filter_design.py:1439

Signature

def sos2zpk(sos)

Summary

Return zeros, poles, and gain of 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

z : ndarray

Zeros of the transfer function.

p : ndarray

Poles of the transfer function.

k : float

System gain.

Notes

The number of zeros and poles returned will be n_sections * 2 even if some of these are (effectively) zero.

Aliases

  • scipy.signal.sos2zpk

Referenced by

This package