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FFE now has a automatic optimization of the mu-parameters -> enables the fast comparison of LMS, NLMS and RLS and also good for very long filters (1000+ taps) which might be unstable else.

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Minor changes here and there
This commit is contained in:
Silas Oettinghaus
2026-05-12 10:40:03 +02:00
parent 56b48095db
commit f883071dec
13 changed files with 524 additions and 65 deletions
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6
projects/Messung_Zürich/dsp_all_files.m
View File

@@ -1,5 +1,5 @@
M = 6;
M = 4;
if M == 2
file_codes = {'20250221T035221' '20250221T035354' '20250221T035824' '20250221T035931' '20250221T040035' '20250221T040132' '20250221T040226' '20250221T040523' '20250221T040646' '20250221T040723' '20250221T040843' '20250221T041011' '20250221T041101' '20250221T041244'};
elseif M == 4
@@ -10,7 +10,7 @@ elseif M ==8
file_codes = {'20250221T004926' '20250221T023534' '20250221T024256' '20250221T024629' '20250221T024929' '20250221T025305' '20250221T025505' '20250221T025856' '20250221T030122' '20250221T030311' '20250221T030513'};
end
if 0
if 1
uloops = struct;
uloops.filecode = file_codes;
uloops.vnle_order1 = [50];
@@ -19,7 +19,7 @@ if 0
wh = DataStorage(uloops);
wh.addStorage("ber");
wh = submit_handle(@dsp_ief_file,wh,"parallel",1);
wh = submit_handle(@dsp_ief_file,wh,"parallel",0);
end
if 0

4
projects/Messung_Zürich/dsp_ief_file.m
View File

@@ -36,9 +36,11 @@ function [results] = dsp_ief_file(varargin)
end
pathToMeasurement = "C:\Users\Silas\Documents\MATLAB\Datensätze\IEF_Polariton_2025\36_IMDD_Kiel\Data\20250221";
pathToMeasurement = "W:\labdata\Plasmonic O-band Modulator (ETH Zurich)\Data\20250221";
filename = findFileByCode(pathToMeasurement, filecode{1});
pathToTimingRecov = "C:\Users\Silas\Documents\MATLAB\Datensätze\IEF_Polariton_2025\36_IMDD_Kiel\Data\TR_ZIP";
pathToTimingRecov = "W:\labdata\Plasmonic O-band Modulator (ETH Zurich)\Data\TR_ZIP";
filename_2 = findFileByCode(pathToTimingRecov, filecode{1});
% Extract parameters from the filename using an updated regex
@@ -166,7 +168,7 @@ function [results] = dsp_ief_file(varargin)
%%%%% VNLE + PF + MLSE %%%%
if 1
eq_post = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",1001,"sps",1,"decide",0);
eq_post = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",1.933e-04,"order",1001,"sps",1,"decide",0,"optmize_mus",1,"dd_mode",0);
pf_ = Postfilter("ncoeff",1,"useBurg",1);
mlse_ = MLSE("duobinary_output",0,'M',config.M,'trellis_states',PAMmapper(config.M,0).levels);
mlse_ = MLSE_viterbi("duobinary_output",0,'M',config.M,'trellis_states',PAMmapper(config.M,0).levels);