How to obtain Transfer Function from Scope Data?
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meghana madhusudhan
on 30 Mar 2015
Commented: meghana madhusudhan
on 8 Apr 2015
I have a scope data of gyro output for a range of frequency (0.5Hz-20Hz) obtained using system identification toolbox. I want to obtain a transfer function for the gyro output. Should I generate a bode plot for the data to obtain the transfer function? Am i supposed to use the idfrd function to obtain bode plot?
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Sebastian Castro
on 31 Mar 2015
The idfrd function is a start, as that will package up your collected data into an "experiment" of frequency vs. complex response data.
The next step would be to estimate the transfer function using that data, with functions like tfest.
Here is the general documentation page for all things transfer function in System ID Toolbox.
- Sebastian
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