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Added testbench for simulink model. Added f0 option to both testbenches

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canisio
2026-03-30 16:01:46 -03:00
parent 1613ae8ad9
commit d8a9e026ff
9 changed files with 19 additions and 8 deletions
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15
frft_codegen/frft_tb_lfm.m → frft_codegen/TBc_lfm_fracF.m
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@@ -17,14 +17,17 @@ betas = (-32e12 : 8e12 : 32e12);
% Order sweep (for heatmap) % Order sweep (for heatmap)
a_vec = linspace( 0.5, 1.5, 100); a_vec = linspace( 0.5, 1.5, 100);
% Center frequency
f0 = 0e6; % center frequency (Hz) — set as needed
%% ============================================================ %% ============================================================
%% A) HEATMAP (single chirp, order sweep) %% A) HEATMAP (single chirp, order sweep)
%% ============================================================ %% ============================================================
beta0 = 8e12; % pick one chirp for visualization beta0 = 64e12; % pick one chirp for visualization
% Generate LFM chirp % Generate LFM chirp
x = exp(1j*pi*beta0*t.^2); x = exp(1j*(2*pi*f0*t + pi*beta0*t.^2));
% External interpolation (IMPORTANT) % External interpolation (IMPORTANT)
x_interp = bizinter(x); x_interp = bizinter(x);
@@ -59,7 +62,7 @@ fprintf('Global relative error: %.3e\n', rel_err_global);
% Plot - Reference % Plot - Reference
figure; figure;
imagesc(a_vec, 1:N_out, abs(FrFT_map_ref) / sqrt(N)); imagesc(a_vec, -N_out/2:N_out/2-1, abs(FrFT_map_ref) / sqrt(N));
axis xy; axis xy;
xlabel('Order a'); xlabel('Order a');
ylabel('Index'); ylabel('Index');
@@ -68,7 +71,7 @@ colorbar;
% Plot - Comparison % Plot - Comparison
figure; figure;
imagesc(a_vec, 1:N_out, abs(FrFT_map_cmp) / sqrt(N)); imagesc(a_vec, -N_out/2:N_out/2-1, abs(FrFT_map_cmp) / sqrt(N));
axis xy; axis xy;
xlabel('Order a'); xlabel('Order a');
ylabel('Index'); ylabel('Index');
@@ -80,7 +83,7 @@ figure;
rel_err_map = abs(FrFT_map_ref - FrFT_map_cmp) ./ ... rel_err_map = abs(FrFT_map_ref - FrFT_map_cmp) ./ ...
(abs(FrFT_map_ref) + eps); (abs(FrFT_map_ref) + eps);
imagesc(a_vec, 1:N_out, rel_err_map); imagesc(a_vec, -N_out/2:N_out/2-1, rel_err_map);
axis xy; axis xy;
xlabel('Order a'); xlabel('Order a');
ylabel('Index'); ylabel('Index');
@@ -99,7 +102,7 @@ for i = 1:length(betas)
beta = betas(i); beta = betas(i);
% Generate chirp % Generate chirp
x = exp(1j*pi*beta*t.^2); x = exp(1j*(2*pi*f0*t + pi*beta*t.^2));
% External interpolation % External interpolation
x_interp = bizinter(x); x_interp = bizinter(x);

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frft_codegen/TBm_lfm_fracF.slx Normal file
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referencedmodels/soc_rfsoc_proc.slx
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0
resources/project/9lwM0dX3iyjMhadwFjZ2rmFpFrE/eTmM9m3sr_NNL3DqkLhxz5MFILYd.xml → resources/project/9lwM0dX3iyjMhadwFjZ2rmFpFrE/-0MWWyNCymyr6e2d1GJ78tZujaod.xml
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2
resources/project/9lwM0dX3iyjMhadwFjZ2rmFpFrE/-0MWWyNCymyr6e2d1GJ78tZujaop.xml Normal file
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@@ -0,0 +1,2 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="TBc_lfm_fracF.m" type="File"/>

2
resources/project/9lwM0dX3iyjMhadwFjZ2rmFpFrE/eTmM9m3sr_NNL3DqkLhxz5MFILYp.xml
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@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="frft_tb_lfm.m" type="File"/>

6
resources/project/9lwM0dX3iyjMhadwFjZ2rmFpFrE/lEvBB9BKU7fXtCU8lQ5TWus1ILEd.xml Normal file
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@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>

2
resources/project/9lwM0dX3iyjMhadwFjZ2rmFpFrE/lEvBB9BKU7fXtCU8lQ5TWus1ILEp.xml Normal file
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@@ -0,0 +1,2 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="TBm_lfm_fracF.slx" type="File"/>

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soc_rfsoc_top.slx
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