ratmath

wield.iirrational.representations.ratmath

Calculation of the RMS of a filter with unit white noise passing through a ZPK. This is done using an integral and residue calculus. The filter must have more P1 than Z, unless the ZPK is in the Z domain, where there is a natural cutoff frequency.

Functions

ZPKdiv(ZPK1, ZPK2)
ZPKdivscalar(val, ZPK)
ZPKprod(ZPK1, ZPK2)
ZPKreciprocal(ZPK)
ZPKscalardiv(ZPK, val)
ZPKscalarprod(ZPK, val)
ZPKscalarsum(ZPK, val)
ZPKsum(ZPK1, ZPK2[, scale])

Details

ZPKdiv(ZPK1, ZPK2)

ZPKdivscalar(val, ZPK)

ZPKprod(ZPK1, ZPK2)

ZPKreciprocal(ZPK)

ZPKscalardiv(ZPK, val)

ZPKscalarprod(ZPK, val)

ZPKscalarsum(ZPK, val)

ZPKsum(ZPK1, ZPK2, scale=None)