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**Unformatted text preview: **This .mat file contains two unknown signals, ulect and uhw. The ulect is the signal that is the basis of the lecture example, producing pages 22-28 of the lecture note scans. So it is not really unknown, and you can use it as a test file. The signal uhw is the one you should run for this HW. You should be able to produce figures corresponding to pages 22-28 for this. Like ulect, it is 6 th order. Note that you will need to produce Matlab code to do the Prony problem and to do the LPC (least squares) analysis....

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