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1 - How do I analyze the stability of the last case? AFAIK, I cannot use the margin and allmargin Matlab functions as the delay is not in the open loop transfer function ($G_{comp}G_{process}$). In both cases the open-loop transfer function is $1+G_{comp}G_{process}e^{-Ts}$ The open-loop transfer function is the transfer function from the output of the ...


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The theory behind the Generalised Cross-Correlation - GCC - (in general, not just the PHAT version of it) uses the cross-correlation of the recorded signals to estimate the delay between them. I am sure you are already aware of that, but if you consider the fact that cross-correlation cannot always differentiate between the different (temporal) components of ...


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