FEKO如何提取S参数？

您要直接輸出曲線的 DATA ，可以使用File --< Export --> data
假使要輸出 Sn.P
If Export S-parameters to Touchstone file (*.snp) is checked, the calculated S-parameters
included in the solution output are written to an additional *.snp file. When exporting
S-parameters to a Touchstone file it is important to note that FEKO does not normalise
the S-parameter values to a global system impedance, but rather provides the values
referenced to the impedance specified on each port. Some tools that use the Touchstone
format, however, assume that all values are referenced to a common impedance. This
may result in misinterpretation of the S-parameter results provided by FEKO. When
exporting S-parameters for use in a tool that supports only a single reference impedance,
the reference impedance provided at each port in the S-parameter solution request should
be set the same to ensure the correct interpretation.
When execution continues after processing the SP card these loads will either be removed
or kept, as controlled by the checkbox Restore loads after calculation. This makes a
difference when for instance after the SP card the far field is computed by means of
an FF card. If the loads are removed, then the result for the far field pattern is the
same as if there was no SP card (i.e. far field with ports not loaded by the S-parameter
reference impedances). The disadvantage of restoring the loads is that after the SP card
processing the loads change and for instance for the MoMthis means that the MoMmatrix
changes, and in order to compute the far field pattern, a full extra matrix computation
and LU decomposition must be done. If the loads are kept, then further results are readily
available (i.e. the LU decomposed matrix can be re-used).