To find out ABCD of DUT, you'll need ABCD of error boxes and also need to measure ABCD of the system. And ABCD of error boxes need the computation of S parameters. *But the S parameters don't seem to need load reflectrion coefficient, so why even perform reflect connection?*
you will need the ABCD of the probes which can be diterminded by measuring known loads like short, open and matched load. If you know the ABCD of the probe, you can extract the ABCD of theDUT from the measured ABCD
Thank you so much for your explanation.
so much good presentation，thank you！
which book explains this?
How to choice the sign + an - of S12 and exp(yl)???
To find out ABCD of DUT, you'll need ABCD of error boxes and also need to measure ABCD of the system.
And ABCD of error boxes need the computation of S parameters.
*But the S parameters don't seem to need load reflectrion coefficient, so why even perform reflect connection?*
you will need the ABCD of the probes which can be diterminded by measuring known loads like short, open and matched load. If you know the ABCD of the probe, you can extract the ABCD of theDUT from the measured ABCD