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How to extract features out of the signal for automaic modulation identification

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aamirzia

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An algorithm was designed and implemented in MATLAB. It extracts all the
spectral components of the up-sampled signal using FFT. All the frequency peaks
calculated were stored in an array vector in the work space. Variance in the values
contained within this array was calculated and this variance was taken as the frequency
feature of the signal, values at four different SNR‟s are given in table 5-1.
if anybody interested to answer i can email my simulink model
 

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