?? signal_noise_gauss.m
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%產生復高斯信號源signal與復高斯噪聲noise的函數
function [signal_gauss,noise_gauss_complex]=signal_noise_gauss(antenna_number,signal_number,samplepoint_number,SNR,signal_frequency,sample_frequency)
%生成高斯噪聲
sigma_noise=1;
noise_gauss=normrnd(0,sigma_noise,antenna_number,samplepoint_number);
%生成復高斯型信號源
sigma_signal=sigma_noise*10.^(SNR/20);
for row_signal=1:signal_number
for column_signal=1:samplepoint_number;
p1=rand(1,1);
p2=rand(1,1);
signal_gauss(row_signal,column_signal)=(sqrt(-2*sigma_signal(row_signal)^2*log(p1))*exp(j*(2*pi*p2)))/sqrt(2);
end
end
%生成復高斯型噪聲noise
for row_noise=1:antenna_number
for column_noise=1:samplepoint_number;
p3=rand(1,1);
p4=rand(1,1);
noise_gauss_real(row_noise,column_noise)=sqrt(-2*sigma_noise^2*log(p3))*cos(2*pi*p4);
noise_gauss_imag(row_noise,column_noise)=sqrt(-2*sigma_noise^2*log(p3))*sin(2*pi*p4);
noise_gauss_complex(row_noise,column_noise)=(noise_gauss_real(row_noise,column_noise)+j*noise_gauss_imag(row_noise,column_noise))/sqrt(2);
end
end
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