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matt


Last seen: 1 year ago |  Active since 2022

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Is the DFT or PSD length dependent?
Is the DFT amplitude dependent on the length of the time signal being analyzed? Do I need to know the length and sampling rate ...

1 year ago | 1 answer | 0

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Stacked bar graph for low and high case in different scenarios
y = [2 2 3; 2 5 6; 0 0 0; 2 8 9; 2 11 12]; bar(y,'stacked') xticks([1.5 4.5]) xticklabels({'case 1','case 2'}) Adding la...

1 year ago | 0

Answered
Discrete Time Plotting x[n]+x[-n] Using Stem
The question is unclear in definiton of signal. assuming x[n] = u[n]-u[n-1], u[n] is heavyside function, function to plot is y[n...

1 year ago | 0

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Filtering noise from an audio file
Limit bandwidth to region of highest signal strength in clean audio. [Clean, Fs2] = audioread('expected.m4a'); [sample_d...

1 year ago | 0

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My code is giving me a straight line for values of N other than 5
Define k as symbolic before defining b and ck. In your posted code, when the for loop is entered, k=N=2 so ck = (cos(2*pi)-1)=0 ...

1 year ago | 0

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Interpolation of cross-correlation from zero padded idft of power spectrum shows odd behavior
Hello, I'm trying to interpolate the cross correlation between two singals by zero padding the ifft of the signals' PSD. Can an...

1 year ago | 1 answer | 0

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