How can I find a transfer function for a MISO system when i have the inputs (Matrix), output (column vector) in a text file
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Hallo everyone,
As a part of my thesis i have to find a transfer fubction for a MISO system. There are 4 inputs and one ouput, i have treid using 'tfestimate' command, but i am getting 4 transfer functions for the 4 inputs. What i actually want is a single transfer function which considers the 4 inputs as one.
Please do help me with this, thanks in advance
%%
Raw_data=dlmread('data.txt','',1,0); % 4 inputs and one output are stored in to Raw-data matrix from data.txt file
[Txy,F]=tfestimate(Raw_data(:,[2:5]),Raw_data(:,6),hann(800),400,NFTT,FS); %4 inputs are present in columns 2,3,4 &5. Output is in column 6
Results =abs(Txy); % I am getting a 4 column Results matrix with 4 transfer functions
%%
10 Kommentare
Jon
am 2 Jul. 2019
From my understanding of your system and application with general random inputs to all of the channels I do not think it is possible to further simplify it, and you will have to use the full 10 by 4 (40 individual) transfer functions.
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