rates = [400e9];
rcalpha = 0.05;
fsym = rates/2;
apply_pulsef = 1;

M = 4;


%% Normal Tx Signal
duob_mode = db_mode.no_db;

Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"alpha",rcalpha);

[Digi_sig,~,~] = PAMsource(...
    "fsym",fsym,"M",M,"order",21,"useprbs",0,...
    "fs_out",256e9,...
    "applyclipping",0,"clipfactor",1.5,...
    "applypulseform",apply_pulsef,"pulseformer",Pform,...
    "randkey",1,...
    'duobinary_mode',duob_mode,...
    "mrds_code",0,"mrds_blocklength",512).process();
Digi_sig= Digi_sig.normalize("mode","oneone");
Digi_sig = Digi_sig-mean(Digi_sig.signal);


maxamp = -28; %optimized for DB!
precomp_est = ChannelFreqResp("Nacq",2048,"Navg",100,"Ncp",63,'f_ref',Digi_sig.fs);
precomp_path = "W:\labdata\sioe_labor\precomp";
precomp_fn = "lab_high_speed";
Digi_sig_pre = precomp_est.precomp(Digi_sig,'maxampdb',maxamp,'loadPath',precomp_path,'fileName',precomp_fn);
Digi_sig_pre.signal = reshape(Digi_sig_pre.signal,[],1);
Digi_sig_pre = Digi_sig_pre.resample("fs_out",256e9);
Digi_sig_pre= Digi_sig_pre.normalize("mode","oneone");
Digi_sig_pre = Digi_sig_pre-mean(Digi_sig_pre.signal);



% precomp_est.plot
Digi_sig_rx = precomp_est.apply(...
    Digi_sig,'maxampdb',0,'loadPath',precomp_path,'fileName',precomp_fn);

Digi_sig_pre_rx = precomp_est.apply(...
    Digi_sig_pre,'maxampdb',0,'loadPath',precomp_path,'fileName',precomp_fn);

Digi_sig.spectrum(...
    "displayname",'Tx w/o pre-emphasis',...
    "fignum",2,"normalizeTo0dB",0,"color",[0,0,0]);
Digi_sig_pre.spectrum(...
    "displayname",'Tx w/ pre-emphasis',...
    "fignum",2,"normalizeTo0dB",0,"color",clr.Paired.lblue);

Digi_sig_rx.spectrum(...
    "displayname",'Rx w/o pre-emphasis',...
    "fignum",2,"normalizeTo0dB",0,"color",clr.Paired.dred);



Digi_sig_pre_rx.spectrum(...
    "displayname",'Rx w/ pre-emphasis',...
    "fignum",2,"normalizeTo0dB",0,"color",clr.Paired.dblue);




%% Duobinary Encoded Tx Signal
duob_mode = db_mode.db_encoded;

Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"alpha",rcalpha);

[Digi_sig_DB,Symbols,Tx_bits] = PAMsource(...
    "fsym",fsym,"M",M,"order",21,"useprbs",0,...
    "fs_out",256e9,...
    "applyclipping",0,"clipfactor",1.5,...
    "applypulseform",apply_pulsef,"pulseformer",Pform,...
    "randkey",1,...
    'duobinary_mode',duob_mode,...
    "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";
precomp_fn = "lab_high_speed";
Digi_sig_DB_pre = precomp_est.precomp(Digi_sig_DB,'maxampdb',maxamp,'loadPath',precomp_path,'fileName',precomp_fn);
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.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_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);

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);