Add Example

2024-11-11 16:32:53 +08:00
parent a2cb6d1825
commit 29ae9585f9
56 changed files with 4029 additions and 0 deletions
@@ -0,0 +1,69 @@
+
+% load st.mat
+% [ A ] = generate_matrix_long(transpose(s_T));
+
+
+N = 512;
+A = dftmtx(N) / sqrt(N);
+A = A(1: 256, :);
+
+Target_index = 321;
+SNR = 10;
+lambda = 0.0005;
+
+%%
+[ x_mf, x_cs ] = yAxn_recovery( A, SNR, Target_index, lambda );
+
+figure(1111)
+subplot(211)
+plot(abs(x_mf))
+subplot(212)
+plot(abs(x_cs))
+
+
+%%
+rep_time = 500;
+[ res_MF, res_CS, P_fa, H1_MF_cnt, H0_MF_cnt, H1_CS_cnt, H0_CS_cnt ] = yAxn_MC( A, SNR, Target_index, lambda, rep_time );
+
+P_fa_MF = res_MF(:,1);
+P_d_MF = res_MF(:,2);
+P_fa_CS = res_CS(:,1);
+P_d_CS = res_CS(:,2);
+
+figure;
+loglog(P_fa,P_fa_MF, 'linewidth', 2);
+hold on;
+loglog(P_fa,P_fa_CS, 'linewidth', 2);
+legend('MF','CS')
+xlabel('P_{fa}');
+ylabel('Actual P_{fa}');
+
+figure;
+semilogx(P_fa,P_d_MF, 'linewidth', 2);
+hold on;
+semilogx(P_fa,P_d_CS, 'linewidth', 2);
+legend('MF','CS')
+xlabel('P_{fa} set');
+ylabel('P_{d}');
+
+figure;
+semilogx(P_fa_MF,P_d_MF, 'linewidth', 2);
+hold on;
+grid on;
+semilogx(P_fa_CS,P_d_CS, 'linewidth', 2);
+xlim([1e-4,1])
+legend('MF','CS')
+xlabel('Actual P_{fa}');
+ylabel('P_{d}');
+title('ROC');
+
+
+figure
+subplot(211)
+histogram(real(H0_MF_cnt(5,:)))
+hold on;
+histogram(real(H1_MF_cnt))
+subplot(212)
+histogram(real(H0_CS_cnt(5,:)))
+hold on;
+histogram(real(H1_CS_cnt))