def hfss_touchstone_2_media(filename, f_unit='ghz'):
'''
Creates a :class:`~skrf.media.media.Media` object from a a HFSS-style touchstone file with Gamma and Z0 comments
Parameters
------------
filename : string
the HFSS-style touchstone file
f_unit : ['hz','khz','mhz','ghz']
passed to f_unit parameters of Frequency constructor
Returns
--------
my_media : skrf.media.Media object
the transmission line model defined by the gamma, and z0
comments in the HFSS file.
Examples
----------
>>> port1_media, port2_media = rf.hfss_touchstone_2_media('line.s2p')
See Also
---------
hfss_touchstone_2_gamma_z0 : returns gamma, and z0
'''
f, gamma, z0 = hfss_touchstone_2_gamma_z0(filename)
freq = Frequency.from_f(f)
freq.unit = f_unit
media_list = []
for port_n in range(gamma.shape[1]):
media_list.append(\
Media(
frequency = freq,
propagation_constant = gamma[:, port_n],
characteristic_impedance = z0[:, port_n]
)
)
return media_list
