Update wide vs narrow code

2024-07-22 21:17:57 +08:00
parent 13f660826d
commit 9cbe8e31ea
14 changed files with 1642 additions and 0 deletions
@@ -0,0 +1,88 @@
+global ...
+    B ...
+    T_p ...
+    f_s ...
+    T_s ...
+    f_c ...
+    PRF ...
+    T_r ...
+    t_single_pulse ...
+    c ...
+    N ...
+    M ...
+    R_0...
+    delta_R_wide ...
+    delta_R_narrow ...
+    N_wide ...
+    N_narrow ...
+    ranges_wide...
+    ranges_narrow ...
+    betas_wide ...
+    betas_narrow ...
+    trail_times...
+    method ...
+    N_high ...
+    LASSO_lambda ...
+    tau ...
+    iter_max ...
+    FAR_N ...
+    FAR_M ...
+    Ns Ms lambdas sigmas
+;
+
+B = 10e5;
+T_p = 1e-5;
+f_s = B;
+T_s = 1 / f_s;
+f_c = 1e9;
+duty_cycle_inv = 10;
+T_r = T_p * duty_cycle_inv;
+PRF = 1 / T_r;
+
+t_single_pulse = 0: 1 / f_s: T_r - 1 / f_s;
+
+c = 3e8;
+
+N = length(t_single_pulse);
+N_high = T_p * f_s;
+M = round(T_p * B);
+R_0 = 0;
+
+delta_R_wide = c ./ 2 ./ B; % 宽带情况下的距离分辨力
+delta_R_narrow = T_p .* c ./ 2; % 窄带情况下的距离分辨力
+
+N_wide = FAR_N; % 宽带情况下，发射 480 个脉冲
+
+N_narrow = round(N_wide / M);
+
+ranges_wide = R_0 + (0:N_wide) * delta_R_wide; % [1000, 4000]
+ranges_narrow = R_0 + (0:N_narrow) * delta_R_narrow; % [1000, 4000]
+
+% betas_wide = (linspace(1, 0.1, FAR_M * FAR_N) + 1j * linspace(0.1, 1, FAR_M * FAR_N))';
+betas_wide = zeros(FAR_M * FAR_N, 1) + 1;
+betas_narrow = zeros(FAR_N, 1);
+for i = 1: FAR_N
+    for j = 1: FAR_M
+        idx = (i-1) * FAR_M + j;
+        betas_narrow(i) = betas_narrow(i) + betas_wide(idx) * exp(1j * 2 * pi * 2 * delta_R_wide * j / c);
+    end
+end
+
+trail_times = 250;
+% method = "debiased_LASSO";
+% method = "LASSO";
+% method = "BP";
+method = "cVAMPro";
+% method = "debiased_LASSO_FISTA";
+
+LASSO_lambda = 0.1;
+tau = 1e-6;
+iter_max = 1000;
+
+Ns = [256];
+Ms = [16];
+sigmas = [0.01];
+lambdas = zeros(length(Ns), 1);
+for i = 1: length(Ns)
+    lambdas(i) = Map(Ns(i) + "_" + Ms(i));
+end