write a MATLAB program to demonstrate the operation of thequadrature amplitude modulation and demodulation schemes.
Answer
% 8 bit qam
N = 256;
% input vector
x = (0:N-1);
% modulated qam
y = qammod(x,N);
%plot
scatterplot(y)
% demodulation
x1=qamdemod(y,N)
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