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new plots for Diss. Mostly AI gen. Few changes in actual codebase

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This commit is contained in:
Silas Oettinghaus
2026-07-30 08:35:45 +02:00
parent 125d8508ca
commit 7a9deaeb0c
62 changed files with 6171 additions and 630 deletions
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23
Functions/EQ_blocks/duobinary_target.m
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@@ -104,13 +104,13 @@ function [db_results] = duobinary_target(eq_, mlse_,M, rx_signal, tx_symbols, tx
[bits_db,errors_db,ber_db,a] = calc_ber(rx_bits_mlse.signal,tx_bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
burst_db = count_error_bursts(a, 40);
cols = linspecer(8);
figure();hold on;
stem(1:40,burst_db,'LineWidth',1,'Color',cols(4,:),'Marker','_','DisplayName','w/o diff. precoder');
stem(1:40,burst_db_precoded,'LineWidth',1,'Color',cols(3,:),'Marker','.','LineStyle','-','DisplayName','w diff. precoder');
xlabel('Bit Error Burst Length')
ylabel('Occurence')
set(gca, 'yscale', 'log');
% cols = linspecer(8);
% figure();hold on;
% stem(1:40,burst_db,'LineWidth',1,'Color',cols(4,:),'Marker','_','DisplayName','w/o diff. precoder');
% stem(1:40,burst_db_precoded,'LineWidth',1,'Color',cols(3,:),'Marker','.','LineStyle','-','DisplayName','w diff. precoder');
% xlabel('Bit Error Burst Length')
% ylabel('Occurence')
% set(gca, 'yscale', 'log');
end
% M = numel(unique(tx_symbols.signal));
@@ -118,6 +118,8 @@ function [db_results] = duobinary_target(eq_, mlse_,M, rx_signal, tx_symbols, tx
[bits_db,errors_db,ber_db,errorIndice_db] = calc_ber(rx_bits.signal,tx_bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
[snr_db_target, snr_db_target_lvl] = calc_snr(db_ref_sequence.signal, eq_noise.signal);
alpha = arburg(eq_noise.signal,1);%pf_.coefficients(2);
alpha = alpha(2);
@@ -152,6 +154,8 @@ function [db_results] = duobinary_target(eq_, mlse_,M, rx_signal, tx_symbols, tx
db_results.metrics.AIR = air_mlse;
db_results.metrics.MLSE_dir = mlse_.DIR;
db_results.metrics.Alpha = alpha;
db_results.metrics.SNR = snr_db_target;
db_results.metrics.SNR_level = snr_db_target_lvl;
% Create DB results structure
db_results.config = Equalizerstruct();
@@ -177,7 +181,10 @@ function [db_results] = duobinary_target(eq_, mlse_,M, rx_signal, tx_symbols, tx
showEQNoisePSD(eq_noise,"fignum",250,"displayname",'Duobinary Target Noise after Equalization');
fprintf('DB tgt BER: %.2e \n',ber_db);
if options.decoding_mode == db_decoder.sequencedetection
fprintf('DB tgt BER: %.2e \n',ber_db); %not relevant for memoryless, wont work
end
fprintf('DB tgt BER precoded: %.2e \n',ber_db_diff_precoded);
figure(341); clf;
tx_symbols_uncoded = Duobinary().decode(db_ref_sequence);