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Plotting antenna pattern in MATLAB

 
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anuribs
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Joined: 09 Oct 2015
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PostPosted: Fri Oct 09, 2015 10:00 am    Post subject: Plotting antenna pattern in MATLAB Reply with quote

I have a beamformed output in MATLAB, say

y = weights * signal,

where the signal is gaussian,i.e signal = randn( 1 , 1e5 ).

Now I want to visualise the output in angular domain, i.e I want to plot the gain of the resulting signal y as a function of elevation angles. I am considering the mainlobe of 'signal' to be pointing in (0 azimuth,0elevation). The weights are combination of amplitude weights and phase weights(exp(phase terms)). I am computing the antenna pattern in the following way:

pattern = abs(arrayFactor.* y).^2;

Is it correct to plot the antenna pattern of such a signal y by multiplying it by the array factor and then plotting its squared magnitude?(in case of isotopic element pattern.)

I would highly appreciate any input.
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