Charles

University of Arkansas Little Rock

Last seen: ungefär 2 år ago | Active since 2014

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FFT analyzing of signal and signal reconstrution. (I want to reconstruct by suming a*sin(w*t-phi)
% I built a square wave simply by writing a file from 0-0.0128 for time and amplitude of 1 and -1. after analyzing with the ff...

ungefär 11 år ago | 1 answer | 0

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answer

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I need help with a for loop.
I have used the FFT to deconstruct a signal. Now i need to use the given data to reconstruct the waveform with the data extrapol...

mer än 11 år ago | 0 answers | 0

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Question

Time/Presure Data (.csv) To wav for FFT
How do I use a CSV file to do a FFT? I Can do a FFT using excel. However, I keep hitting walls with matlab. The goal is to u...

mer än 11 år ago | 0 answers | 0

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Question

Matlab modle (using curve fit tool) not matching Labquest model.
We are analyzing sound pressure data. By recording sound from 1 source in to microphones separated at a distance of x=.25 meters...

mer än 11 år ago | 0 answers | 0

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Simple Script not working
********start Script***** fuction err= WebersLawErr(p,x,y) pred=WebersLaw(p,x); err=sum((pred(:)-y(:)).^2); ...

mer än 11 år ago | 1 answer | 0

1

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Conversion error while plotting
EDU>> h1=plot(x,y,'ko','MarkerFaceColor','k'); Error using plot Conversion to double from cell is not possible. Why? ...

mer än 11 år ago | 1 answer | 0

1

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Question

How do i plot sections of a wave fuction that doesn't happen at integers?
I am not using this command correctly inital=x(0:.2222) (output) Warning: Integer operands are required for colon operator ...

mer än 11 år ago | 1 answer | 0

1

answer