|From:||John Petro Jr.|
|Subject:||[Tftb-help] question about instfreq.m|
|Date:||Tue, 25 May 2010 07:41:06 -0400|
My question is about the instfreq.m file in the toolbox. I understand instantaneous frequency to be the derivative of the phase of the analytic signal. In the instfreq.m file the normalized frequency is calculated by:
I agree that the output that I receive from this seems to be correct, but I cannot find the relationship between these two. Could someone please explain to me what I am missing, or point me in the right direction for a reference to this calculation.
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