MATLAB: Plot acquired data fron data card ni-6255

ni-6255

DAQ CARD USED :NI-6255

Needed a code to plot the acquired data , Problem faced : when the signal from function generator is given to the card and the data was tried to access matlab,

any one plz provide me the code

Manjunath D M

Best Answer

Refer below link:

http://www.mathworks.in/products/daq/examples.html?file=/products/demos/shipping/daq/demoai_continuous.html

Hope it helps!!!

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Onboard memory for that device is 4095 samples.

http://sine.ni.com/nips/cds/view/p/lang/en/nid/209157

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I can't run your code right now in python so I can't compare the results but most of these lines should be the correct conversion.

See help normrnd to pull numbers from a given gaussian distribution.

npts = 1000; % number of points in uncorrelated data set
Emax = 10;  % energy goes from zero to Emax
Ec = 0.1; % correlation energy
kT = 0.25;
% create discrete values of Energy
E = linspace(0, Emax, npts);
E_extra = linspace(0, Emax, 2*npts-1); %sometimes we need this size to convolve
%PLOT 1: Tbar correlated
Tbar = normrnd(0, 1, 1, 2*npts-1)
y = exp(- ((E-Emax/2.)/Ec).*2);
%convolution between Tbar and correlation energy
Tbar_c = conv(y, Tbar, 'same'); %valid = no edge effects
% normalize the data (maximum=1, minimum=0)
Tbar_c = Tbar_c - min(Tbar_c);
Tbar_c = Tbar_c/max(Tbar_c);
% plot the correlated data set
plot(E, Tbar_c)

Best Answer

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