skrf.media.freespace.Freespace.mu

property Freespace.mu: Number | Sequence[Number] | ndarray

Complex dielectric permeability.

If \(\tan\delta_m\) is not defined:

\[\mu = \mu_0 \mu_r\]

otherwise,

\[\mu = \mu_0 \Re[\mu_r] (1 - j\tan\delta_m)\]

where \(\tan\delta_m\) is the magnetic loss tangent.

Returns:

mu – Complex permeability in H/m.

Return type:

number