Why does SimRF give wrong results with impedance mismatch?

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Daniel H
Daniel H 2018-2-27
回答： Wang 2018-11-19
I take a modified example from SimRF:
model_ce = 'simrf_xline_ce';
load_system(model_ce)
open_system([model_ce '/Input Signal']);
All I am chaning is the Rsrc=0, Zload=0 Ohm and adding a line from the beginning of the transmission line:
This is a nice presents a perfect impedance mismatch: The pulse would be reflected entirely at Zload and sent back to the source with opposite polarity. What I expect to see is a pulse of duration 2*Ts = 200ns. Instead, I just see exactly the same pulse as the source pulse:
It seems SimRF does not model reflection properly.
Is this the case or do I get anything wrong?

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回答（1 个）

Wang
Wang 2018-11-19
i met same issue in this.
I even added a 100H inductor. the result was same as.

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