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 +1,32 @@
+% stat_RD: range-doppler statistics
+% P_fa: false alarm rate
+
+% target_map: show targets in RD map
+% target list include range and doppler information
+
+
+function [ target_list_RD, target_map ] = rd_detection(stat_RD, P_fa)
+
+    % parameters
+    target_map = zeros(size(stat_RD));
+    [lenA, lenR, lenP] = size(stat_RD);
+    
+    % detection threshold
+    d_thd = chi2inv(1 - P_fa, 2) / 2;
+    
+    % find target
+    target_list_RD = [];
+    for i = 1: lenA
+        RD_map = squeeze(stat_RD(i, :, :));
+        detect_map = zeros(size(RD_map));
+        detect_map(RD_map > d_thd) = 1;
+        target_map(i, :, :) = detect_map;
+        [r, c] = find(detect_map);
+        temp_list = zeros(length(r), 3);
+        temp_list(:, 1) = i;
+        temp_list(:, 2) = r;
+        temp_list(:, 3) = c;
+        target_list_RD = [target_list_RD; temp_list];
+    end
+    
+end