Add Radar simulation

2024-05-09 16:48:41 +08:00
parent c57d8588e3
commit 392f83b068
29 changed files with 409 additions and 56 deletions
@@ -0,0 +1,86 @@
+%%
+clc;
+clear;
+
+config_parameters;
+
+range = [250, 140, 167, 128, 12];
+velocity = [16, 76, 155, 125, 463];
+
+global C_n f_n;
+C_n = zeros(M, len);
+f_n = zeros(M, len);
+
+for n_idx = 1:M
+
+    for t_idx = 1:len
+        C_n(n_idx, t_idx) = floor(rand * (M - 1));
+        f_n(n_idx, t_idx) = f_c + C_n(n_idx, t_idx) * Delta_f;
+    end
+
+end
+
+T_x = zeros(M, len);
+R_x = zeros(M, len);
+R_d = zeros(M, len);
+
+for n_idx = 1:M
+
+    for t_idx = 1:len
+        t = range_t(t_idx);
+        T_x(n_idx, t_idx) = T_x_func(t);
+        R_x(n_idx, t_idx) = R_x_func(t, range(n_idx), velocity(n_idx));
+        R_d(n_idx, t_idx) = R_d_func(t, range(n_idx), velocity(n_idx));
+    end
+
+end
+
+save temp.mat
+
+%%
+
+clc
+clear
+load temp.mat
+
+pred_range = zeros(1, M);
+range_idx = zeros(1, M);
+pred_velocity = zeros(1, M);
+
+for n_idx = 1:M
+
+    [pred_range(n_idx), range_idx(n_idx)] = get_range(T_x(n_idx, :), R_x(n_idx, :), range(n_idx));
+    pred_velocity(n_idx) = get_velocity(T_x(n_idx, :), R_x(n_idx, :), velocity(n_idx));
+
+end
+
+%%
+r_range = 1:500;
+v_range = 1:500;
+
+[X, Y] = meshgrid(r_range, v_range);
+pred_z = zeros(length(r_range), length(v_range));
+origin_z = zeros(length(r_range), length(v_range));
+
+for n_idx = 1:M
+    pred_z(round(pred_range(n_idx)), round(pred_velocity(n_idx))) = 1;
+    origin_z(round(range(n_idx)), round(velocity(n_idx))) = 1;
+end
+
+figure(1)
+subplot(211);
+mesh(X, Y, pred_z);
+title("Predict range-velocity reconstruction under M = 5");
+xlabel("Range (m)");
+ylabel("Velocity (m/s)");
+
+subplot(212);
+mesh(X, Y, origin_z);
+title("Origin range-velocity data under M = 5");
+xlabel("Range (m)");
+ylabel("Velocity (m/s)");
+
+
+
+
+