From 34ee636bd0c54bccad4bf1b2b79e838a5f0003a6 Mon Sep 17 00:00:00 2001 From: ti_mo Date: Thu, 23 Apr 2026 23:43:49 +0200 Subject: [PATCH] lab_1 code is done, need to write pdf report --- lab_1/gap_size_hist.svg | 3734 +++++++++++++++++++++++++++++++++++++++ lab_1/lab_1.m | 12 +- 2 files changed, 3738 insertions(+), 8 deletions(-) create mode 100644 lab_1/gap_size_hist.svg diff --git a/lab_1/gap_size_hist.svg b/lab_1/gap_size_hist.svg new file mode 100644 index 0000000..96a30bd --- /dev/null +++ b/lab_1/gap_size_hist.svg @@ -0,0 +1,3734 @@ + + +Qt SVG Document +MATLAB, The MathWorks, Inc. Version 26.1.0.3203278 R2026a + + + + + + + + + + + + + +Histogram of gap sizes between consecutive errors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 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+150 + + + +200 + + + +250 + + + +300 + + + +350 + + + +400 + + + +450 + + + +500 + + + +Frequency + + + + + + + + + + + + + + + + + + + + + + + + + + +0 + + + +1 + + + +2 + + + +3 + + + +4 + + + +5 + + + +6 + + + +7 + + + +8 + + + diff --git a/lab_1/lab_1.m b/lab_1/lab_1.m index a71992d..8661d4d 100644 --- a/lab_1/lab_1.m +++ b/lab_1/lab_1.m @@ -22,10 +22,11 @@ bit_error_rate_counter = 0; gap_begin = 1; % stores the last dirty bit idx, meaning the begin of a new gap gap_tracker = []; % holds a 3xn matrix of begin and end gap values and the gap size between them -state_sequence = []; % stores the state timeline +state_sequence = strings(0); % stores the state timeline state_visit_counter = 0; for it = 1 : bits_array_len + state_visit_counter = state_visit_counter + 1; current_bit = bits(it); % two different rands for channel and bit logic @@ -35,13 +36,12 @@ for it = 1 : bits_array_len % error and channel if channel_state == true - state_visit_counter = state_visit_counter + 1; % channel selection from good state with probability p_gg if channel_change_probability < p_gg channel_state = 1; else channel_state = 0; - state_sequence(end + 1) = state_visit_counter + 'x Good'; + state_sequence(end + 1) = string(state_visit_counter) + 'x Good'; state_visit_counter = 0; end @@ -52,11 +52,10 @@ for it = 1 : bits_array_len received_bit = current_bit; end else - state_sequence(it) = 'Bad'; % change channel to good with probability of p_bg if channel_change_probability < p_bg channel_state = 1; - state_sequence(end + 1) = state_visit_counter + 'x Bad'; + state_sequence(end + 1) = string(state_visit_counter) + 'x Bad'; state_visit_counter = 0; else channel_state = 0; @@ -93,6 +92,3 @@ title('Histogram of gap sizes between consecutive errors') disp(state_sequence) disp(bit_error_rate) - -% for pdf, 1 - 2 sites, describe what i did and what the results were and -% are \ No newline at end of file