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Alyssa Kelly


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I am anlyzing sound with a microhone and trying to plot the FFT, but I am not seeing what I expected to. After feeding the DAQ a 400Hz signal from a function generator I do not see any tones at 400Hz. Is it something wrong with the code?
y = xlsread('TrialExcel400HzOscilloscope.xlsx'); y = detrend(y); n = length(y); Fs = 48000; ...

8 years ago | 2 answers | 0

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Constructing strings
* Construct a string alphaString from 'a' to endLetter, using the double colon operator. Ex: If endLetter = 'e', then alphaSt...

9 years ago