Sample of sine wave

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Rakesh Jain
Rakesh Jain 2018년 2월 14일
답변: MathWorks Support Team 2022년 4월 13일
I need to sample a continuous time sine wave via MATLAB. For example, I need 19 samples of a sine wave. But the output, i.e. the sample data I need in a text file, so that I can use it in my FPGA software. How shall I do it?

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Jos (10584)
Jos (10584) 2018년 2월 15일
Something along these lines?
t = linspace(0,2*pi,1000) ;
y = 100 * sin(2*pi*1.8*t) ;
s = sort(randperm(numel(t),19)) ; % 19 random points, sorted
plot(t,y,'b.-', t(s), y(s),'ro') ; % check
data = [t(s) ; y(s)].'
dlmwrite('export.txt',data)

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MathWorks Support Team
MathWorks Support Team 2022년 4월 13일
In addition to the Answer above, please see the following page for how to generate HDL code from MATLAB code and deploy to an FPGA: https://www.mathworks.com/help/hdlcoder/targeting-fpga-amp-soc-hardware.html

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