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 +1,84 @@
+clc
+clear
+close all
+
+%% load echo data
+filename = 'Raw_Echo_60dB';
+load(['./data/', filename, '.mat']);
+
+
+%% parameters
+% ladar
+PRF = 5000;
+B = 5e6;
+D = 0.1;
+Tp = 2e-5;
+fs = 5e6;
+fc = 1.25e9;
+
+% antenna
+num_antenna = 18;
+d = 0.12;
+
+% echo
+num_pulse = 64;
+sigma_n = 0.1;
+
+% detect
+P_fa = 1e-5;
+
+% algorithm
+gamma_r = 0.5;
+gamma_d = 0.5;
+lambda_r = 0.005;
+lambda_d = 0.15;
+
+
+%% data processing
+fprintf(['File: ', filename, '\n']);
+[distance_v, speed_v] = get_range_speed_val(PRF, fs, fc, num_pulse, gamma_r, gamma_d);
+
+[A, signal_t] = generate_chirp_mtx(PRF, B, fs, D);
+fprintf('   1: generate_chirp_mtx done.\n');
+
+% first antenna
+Raw_Echo_antenna1 = Raw_Echo(1, :, :);
+[echo_r_mtx_cs_antenna1, sigma_n_o_cs_antenna1] = range_process_CS(Raw_Echo_antenna1, A, sigma_n, lambda_r);
+fprintf('   2: first antenna range_process_CS done.\n');
+
+% first pulse
+Raw_Echo_pulse1 = Raw_Echo(:, :, 1);
+[echo_r_mtx_cs_pulse1, sigma_n_o_cs_pulse1] = range_process_CS(Raw_Echo_pulse1, A, sigma_n, lambda_r);
+fprintf('   3: first pulse range_process_CS done.\n');
+
+[echo_rd_mtx_cs, stat_RD_cs] = doppler_process_CS(echo_r_mtx_cs_antenna1, sigma_n_o_cs_antenna1, lambda_d, gamma_d);
+fprintf('   4: doppler_process_CS done.\n');
+
+[target_list_RD_cs, target_map_cs] = rd_detection(stat_RD_cs, P_fa);
+fprintf('   5: rd_detection done.\n');
+
+[target_list_RDA, RA_map] = angle_est(echo_r_mtx_cs_pulse1, target_list_RD_cs, d, fc);
+fprintf('   6: angle_est done.\n');
+
+
+%% show result
+element = 1;
+list_r_idx = find(target_list_RDA(:, 1) == element);
+
+target_list_RDA(:, 2) = distance_v(target_list_RDA(:, 2));
+target_list_RDA(:, 3) = speed_v(target_list_RDA(:, 3));
+figure(1)
+scatter3(target_list_RDA(list_r_idx,2), target_list_RDA(list_r_idx,3),...
+    target_list_RDA(list_r_idx,4), 'filled', 'o')
+
+% xlim([17000, 19000])
+% ylim([80, 160])
+% zlim([-90, 90])
+
+
+
+%% save
+echo_rd_mtx = echo_rd_mtx_cs;
+save(['./output/', filename, '_cs_part.mat'],...
+    'target_list_RDA', 'echo_rd_mtx', 'RA_map', 'P_fa');
+