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während Diss, 400G plots

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This commit is contained in:
Silas Oettinghaus
2026-08-13 10:22:01 +02:00
parent 7a9deaeb0c
commit c77327d39f
27 changed files with 1769 additions and 248 deletions
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23
projects/Diss/400G_revisit/TX_spectra.m
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@@ -1,5 +1,5 @@
rates = [420e9];
rates = [400e9];
rcalpha = 0.05;
fsym = rates/2;
apply_pulsef = 1;
@@ -56,8 +56,6 @@ Digi_sig_rx.spectrum(...
Digi_sig_pre_rx.spectrum(...
"displayname",'Rx w/ pre-emphasis',...
"fignum",2,"normalizeTo0dB",0,"color",clr.Paired.dblue);
@@ -80,6 +78,9 @@ Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"al
"mrds_code",0,"mrds_blocklength",512).process();
Digi_sig_DB= Digi_sig_DB.normalize("mode","oneone");
Digi_sig_DB_rx = precomp_est.apply(...
Digi_sig_DB,'maxampdb',0,'loadPath',precomp_path,'fileName',precomp_fn);
maxamp = -38; %optimized for DB!
precomp_est = ChannelFreqResp("Nacq",2048,"Navg",100,"Ncp",63,'f_ref',Digi_sig_DB.fs);
precomp_path = "W:\labdata\sioe_labor\precomp";
@@ -89,27 +90,33 @@ Digi_sig_DB_pre.signal = reshape(Digi_sig_DB_pre.signal,[],1);
Digi_sig_DB_pre = Digi_sig_DB_pre.resample("fs_out",256e9);
Digi_sig_DB_pre = Digi_sig_DB_pre.normalize("mode","oneone");
Digi_sig_DB_pre_rx = precomp_est.apply(...
Digi_sig_DB_pre,'maxampdb',0,'loadPath',precomp_path,'fileName',precomp_fn);
%%
AWG_ = M8199B("kover",4);
% AWG_ = AWG("fdac",256e9,"f_cutoff",fsym,"lpf_active",0,"kover",4,"bit_resolution",12,"upsampling_method","samplehold","precomp_sinc_rolloff",1);
El_sig = AWG_.process(Digi_sig);
El_sig_preemph = AWG_.process(Digi_sig_pre);
El_sig_channel = AWG_.process(Digi_sig_channel);
% El_sig_channel = AWG_.process(Digi_sig_channel);
El_sig.spectrum("displayname",'Full Response w/o preemphasis','fignum',1,'normalizeTo0dB',0,'color',clr.Paired.lblue);
El_sig_preemph.spectrum("displayname",'Full Response w/ preemphasis','fignum',1,'normalizeTo0dB',0,'color',clr.Paired.dblue);
El_sig_channel.spectrum("displayname",'Full Response w/ measured channel','fignum',1,'normalizeTo0dB',0,'color',clr.Paired.blue);
% El_sig_channel.spectrum("displayname",'Full Response w/ measured channel','fignum',1,'normalizeTo0dB',0,'color',clr.Paired.blue);
%%
El_sig_DB_preemph = AWG_.process(Digi_sig_DB_pre);
El_sig_DB = AWG_.process(Digi_sig_DB);
El_sig_DB_rx = AWG_.process(Digi_sig_DB_pre_rx);
Digi_sig_DB.spectrum("displayname",'DB Response w/o preemphasis','fignum',1,'normalizeTo0dB',1,'color',clr.Paired.lorange);
Digi_sig_DB_pre.spectrum("displayname",'DB Response w/ preemphasis','fignum',1,'normalizeTo0dB',1,'color',clr.Paired.dorange);
El_sig_DB.spectrum("displayname",'DB Response w/o preemphasis','fignum',1,'normalizeTo0dB',0,'color',clr.Paired.lorange);
El_sig_DB_preemph.spectrum("displayname",'DB Response w/ preemphasis','fignum',1,'normalizeTo0dB',0,'color',clr.Paired.dorange);
Digi_sig_DB_rx.spectrum("displayname",'DB Response w/o preemphasis at Rx','fignum',1,'normalizeTo0dB',1,'color',clr.Paired.lred);
Digi_sig_DB_pre_rx.spectrum("displayname",'DB Response w/ preemphasis at Rx','fignum',1,'normalizeTo0dB',1,'color',clr.Paired.dred);