64QAM code help in (ipHat)

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eman
eman el 3 de Jun. de 2011
i NEED TO KNOW WHAT IS MEANT BY "ipHat" in line 5 and 7
CODE: 1.k = sqrt(1/((2/3)*(M-1))); %% normalizing factor
2.m = [1:sqrt(M)/2]; %% alphabets 3.alphaMqam = [-(2*m-1) 2*m-1];
4.Es_N0_dB = [0:30]; %% multiple Es/N0 values
5.ipHat = zeros(1,N); %% init
6.for ii = 1:length(Es_N0_dB)
7.ip = randsrc(1,N,alphaMqam) + j*randsrc(1,N,alphaMqam); 8.s = k*ip; %% normalization of energy to 1 9.n = 1/sqrt(2)*[randn(1,N) + j*randn(1,N)]; % white guassian noise, 0dB variance

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