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how to write a code for 10db bandwidth calculation in CST
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hello dear friends,
I have simulated a structure in CST and I'm trying to optimize it by writing the optimization codes in Macros of the software. the problem I have faced is that how can I write the code for calculation of bandwidth for the plot like the one below. I Want the 10dB bandwidth of the of between points 3 & 4. I cannot limit my frequency sweep because this band shifts to other frequencies while optimization. The code I have used for is the this:
the problem is that it sometimes calculate the other 10dB bandwidth between 1&2 or the bandwidth between 1 & 4!
Thank you.
I have simulated a structure in CST and I'm trying to optimize it by writing the optimization codes in Macros of the software. the problem I have faced is that how can I write the code for calculation of bandwidth for the plot like the one below. I Want the 10dB bandwidth of the of between points 3 & 4. I cannot limit my frequency sweep because this band shifts to other frequencies while optimization. The code I have used for is the this:
Code:
f1 = mfmin
temps1 = Abs(ms11min-threshold)
f2 = mfmin
temps2 = Abs(ms11min-threshold)
For i = 0 To nn-1
If mfreq(nn-1-i) < mfmin Then
If Abs(ms11(nn-1-i)-threshold) < temps1 Then
f1 = mfreq(nn-1-i)
temps1 = Abs(ms11(nn-1-i)-threshold)
End If
End If
If mfreq(i) > mfmin Then
If Abs(ms11(i)-threshold) < temps2 Then
f2 = mfreq(i)
temps2 = Abs(ms11(i)-threshold)
End If
End If
Next i
the problem is that it sometimes calculate the other 10dB bandwidth between 1&2 or the bandwidth between 1 & 4!
Thank you.
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