test_rayleigh_pdf.m

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function y = test_rayleigh_pdf(r)
%r为信道幅度绝对值！

sigma_u = sqrt(1/2);
figure

%[x,pdf,cdf] = pdf_cdf_gen(abs(r),40);
[x,pdf,cdf] = pdf_cdf_gen(r,80);

pdf_ideal =(x.*(exp(-(x.*x)./(2*sigma_u*sigma_u))))./(sigma_u*sigma_u);
sigma_u = 1;
pdf_idea2 = raylpdf(x,sigma_u);
plot(x,pdf_ideal,'b',x,pdf_idea2,'g',x,pdf,'r*');grid;
legend('pdf\_ideal：公式计算,B=sqrt(1/2)','pdf\_idea2：raylpdf结果,B=1','实际值');
axis([0,3.5,0,0.9]);xlabel('amplitude');ylabel('pdf');
title('test\_rayleigh\_pdf');
y=0;