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quiz9 - .Inorderto receivefullcredit,,run,andgivethe...

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Introduction to Computational Physics Phy 265 Quiz 9 (Take-Home) Due 12:40 p.m. April 15, 2011 Write and upload the script described below to the class website. In order to receive full credit, your script must have proper formatting, run, and give the correct output. The touchtone keypad of a phone generates a dual tone multiple frequency (DTMF) signal when you depress a key. Specifically, sinusoids of the corresponding row and column frequencies are generated and summed to give the dual tone. The frequencies used for the tones in Hz are depicted in the diagram to the right. Write a MATLAB script file that will load into MATLAB a DTMF signal and plot the amplitude of
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