资源简介
大气湍流相位屏仿真代码.zip
代码片段和文件信息
%BER-SNR
SNR = 10:1:60;
n = size(SNR2);
BERC = zeros(3n);
BERL = zeros(3n);
Lambda = 1.55*10^(-6);
k=2*pi/Lambda;
Cn = [0.51*10^(-13) 1.13*10^(-13) 2.10*10^(-13)];
L=[1000 3000 5000];
Rytov = 1.23 * Cn * k^(7/6)* L(1)^(11/6);
sigma = sqrt(Rytov);
a=zeros(13);b=zeros(13);
for i = 1:3
a(i) = (exp(0.49*Rytov(i)/(1+1.11*sigma(i)^(12/5))^(7/6))-1)^(-1);
b(i) = (exp(0.51*Rytov(i)/(1+0.69*sigma(i)^(12/5))^(5/6))-1)^(-1);
s=[‘[(1-‘num2str(a(i))‘)/2(2-‘num2str(a(i))‘)/2(1-‘num2str(b(i))‘)/2(2-‘num2str(b(i))‘)/21]‘];
for j = 1:n
z =((2/(a(i)*b(i)))^2)*10^(SNR(j)/10);
BERC(ij) = 2^(a(i)+b(i)-3)/(pi^(3/2)*gamma(a(i))*gamma(b(i)))*double(feval(symengine‘meijerG‘‘2‘‘4‘s ‘[0 1/2]‘ num2str(z)));
end
end
figure(1);semilogy(SNRBERC(1:)‘-‘SNRBERC(2:)‘-x‘SNRBERC(3:)‘--‘);
xlabel(‘Average electrical SNR(dB)‘);ylabel(‘BER‘);title(‘BER-SNR(Cn2)‘);
legend(‘Cn2=0.51e-13‘‘Cn2=1.13e-13‘‘Cn2=2.10e-13‘‘Location‘‘NorthEast‘);
Rytov = 1.23 * Cn(1) * k^(7/6)* L.^(11/6);
sigma = sqrt(Rytov);
a=zeros(13);b=zeros(13);
for i = 1:3
a(i) = (exp(0.49*Rytov(i)/(1+1.11*sigma(i)^(12/5))^(7/6))-1)^(-1);
b(i) = (exp(0.51*Rytov(i)/(1+0.69*sigma(i)^(12/5))^(5/6))-1)^(-1);
s=[‘[(1-‘num2str(a(i))‘)/2(2-‘num2str(a(i))‘)/2(1-‘num2str(b(i))‘)/2(2-‘num2str(b(i))‘)/21]‘];
for j = 1:n
z =((2/(a(i)*b(i)))^2)*10^(SNR(j)/10);
BERL(ij) = 2^(a(i)+b(i)-3)/(pi^(3/2)*gamma(a(i))*gamma(b(i)))*double(feval(symengine‘meijerG‘‘2‘‘4‘s ‘[0 1/2]‘ num2str(z)));
end
end
figure(2);semilogy(SNRBERL(1:)‘-‘SNRBERL(2:)‘-x‘SNRBERL(3:)‘--‘);
xlabel(‘Average electrical SNR(dB)‘);ylabel(‘BER‘);title(‘BER-SNR(L)‘);
legend(‘L=1000‘‘L=3000‘‘L=5000‘‘Location‘‘NorthEast‘);
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 2730 2018-04-11 17:33 zernike.m
----------- --------- ---------- ----- ----
2730 1
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