How to get frequency resolution from bode plot or transfer function?
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I want to know the frequency resolution from bode plot I estimate by using system identification toolbox. But how?
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Star Strider
2016-7-19
You have to ask it to return them as outputs:
[mag,phase,wout] = bode(sys)
In this example, ‘wout’ are, from the documentation:
- Response frequencies, returned as a row vector of frequency points. Frequency values are in radians per TimeUnit, where TimeUnit is the value of the TimeUnit property of sys.
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Zhe Liu
2016-7-19
Star Strider
2016-7-19
If you use a different syntax, the frequencies can be a vector argument (here ‘w’), giving the magnitude and phase as outputs:
[mag,phase] = bode(sys,w);
The frequency values are in radians per TimeUnit.
See the documentation for bode for details.
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