How to convert logarithmic to linear
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I use rfplot to plot magnitude of s-parameters in db, if i want to plot the s.parameters in linear form how can i do this ?
s=sparameters("C:\Users\Moza Salem Mohamed\OneDrive\Desktop\MM\Lab 2\emptyCell.s2p")
figure
rfplot(s,1,1)
hold on
rfplot(s,2,1)
title("Empty Cavity (Log)")
hold off
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回答(3 个)
Mark
2024-5-29
The default rfplot format is "db", but it also supports "abs", "angle", "real", and "imag".
For example, rfplot(s,1,1,"abs").
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Star Strider
2021-9-20
If you do not have it:
dB2mag = @(dB) 10.^(dB/20); % Note: Capital 'B'
mag = 100;
dB = mag2db(mag)
mag = dB2mag(dB)
Since MATLAB is case-sensitive, the ‘dB2mag’ anonymous function will not overshadow any of the db2mag functions in the Toolboxes. (The exp function will not work in this instance, since decibels are defined in terms of base-10 logarithms.)
.
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