Sound frequency spectrum estimation

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adnan
adnan 2011-3-9
Hi, I have to files across.mat and toward.mat inside are the sound of a helicopter when thay are flying over a field. The speed of the helicopter is constant.
I must determine the speed of the helicopter using the Doppler shift, but i must use a parametric AR methode when i will estimate the frequency spectrum.
Can anyone say me how to do that?
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Jan
Jan 2011-3-9
This sounds like a homework question. We will assist you, if you post, what you have done so far and where which problem occurred.

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