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How to get Qe in HFSS

时间:03-23 整理:3721RD 点击:
when designing a cavity resonator filter by KQ method in HFSS v9.2, I simulate the single-port structure consists of the first resonator and the input port and get the phase of S11. I know we can directly get the Qe from the phase of S11 by the Macro in CST MWS.

Could you tell me whether I can also directly get Qe from the phase of S11 in HFSS?

You can't just get it directly to my understanding
You have to go and use the field calculator to get results for the Q

It's very simple, dear burton. You need to use in Report field a Output Variable the next type:
Qe=im(Y(1,1))/re(Y(1,1)).
For this Variable you can make a plot or a table.
Good luck!

This paper maybe helpful for you.

Please correct me if I am wrong. I think it should be:
Q=im(Z(1,1))/re(Z(1,1)).

Please correct me if I am wrong. I think it should be:
Q=im(Z(1,1))/re(Z(1,1)).

You're right, also. And both of expressions are correct. You can use any formula, with Y or Z-parameters.
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