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From: Dsrt Egle on 10 May 2010 02:57
Hi,

I have built a filter using the basic elements (delay, gain, sum) in
Simulink, and specified the fixed-point format for each I/O and
coefficients. I am trying to estimate its frequency response by
inputting chirp or noise signal, while I do not like the way the
spectrum analyzer block outputs. I want a nice bode plot.

I know the "frestimate" in the control toolbox gives very good
frequency response estimation for floating-point system. Is there any
way I can obtain the similar bode plot for the fixed-point system as
"frestimate" for floating-point? Thanks a lot for your help.
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Prev: How to? Excel RANK function in Matlab?
Next: How to estimate the frequency response of a fixed-point Simulink model?