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Re: Time delay estimation for a NARX neural network
Posted:
Aug 16, 2013 7:38 AM


"Rad" wrote in message <ku03fh$ajh$1@newscl01ah.mathworks.com>... > Hello, I?m trying to determine the feedback and input delays for a 3input 1output NARX network using targettarget autocorrelation and input/target crosscorrelation, respectively. For each input/target pair, the max. crosscorrelation (peak) value occurs at a different lag. Given that all input delays must be the same for a NARX network, which value out of the 3 different lags should I select? The smallest one? > For the targettarget autocorrelation, the max. lag is at 0, and the value of the autocorrelation coefficients decreases as the number of lags increase. How is the proper feedback delay selected in this case? > Sorry if these questions seem trivial; any help would greatly be appreciated. Thank you!
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Greg



