How to find the equivalent transfer function(poles and zeros) having the Body diagram ?
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Hello everyone,
I have an Excel file where there are the datas expressed with frequency and gain steps, therefore a body diagram.
After having plotted it on Excel, they have a 'high pass' behaviour, so I would find the equivalent poles and zeros(and transfer function) with Matlab giving it the Excel datas.
Can you help me?
Thanks in advance.
Regards.
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Ryan
2012년 7월 20일
Determining the transfer function from the bode plots of the frequency response is a theory question in my opinion and not Matlab related. This should help you get started either way: http://www.ece.utah.edu/~ee3110/bodeplot.pdf
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Craig
2012년 7월 20일
The System Identification Toolbox has functions that estimate a transfer function from freqeuncy response data. For example the tfest command.
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