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New MPI mitigation schemes // Duobinary // Start of FTN schemes

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This commit is contained in:
Silas Oettinghaus
2024-09-06 08:10:04 +02:00
parent bb228ae2bd
commit 03bfd70470
30 changed files with 1598 additions and 560 deletions
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114
Classes/00_signals/Signal.m
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@@ -237,12 +237,16 @@ classdef Signal
arguments
obj Signal
options.fs_in double
options.fs_in double = obj.fs
options.fs_out double
options.n double = 10;
options.beta double = 5;
end
if options.fs_in ~= obj.fs
warning('The signals fs is different from the given fs_in while it should be the same.');
end
obj.signal = resample(obj.signal,options.fs_out,options.fs_in,options.n,options.beta);
desc = ['resample signal from ', num2str(options.fs_in*1e-9), ' GHz to ', num2str(options.fs_out*1e-9), ' GHz' ];
@@ -265,7 +269,7 @@ classdef Signal
% spectrum_plot(obj.signal,options.fsamp,options.figurename,options.displayname);
N = 2^(nextpow2(length(obj.signal))-8);
[p_lin,w] = pwelch(obj.signal,hanning(N),N/2,N,obj.fs,"centered","power","mean");
p_dbm = 10*log10(p_lin)+30; %dB to dBm in case of "power"
@@ -279,7 +283,7 @@ classdef Signal
edgetick = 2^(nextpow2(obj.fs*1e-9));
% xticks([-edgetick:16:edgetick]);
xlim([-244, 244])
ylim([-120,-0]);
ylim([-120,10]);
yticks([-200:10:10]);
legend
@@ -301,7 +305,7 @@ classdef Signal
pow = pow / 50;
end
pow = 10*log10(pow)+30; %dbm
case power_notation.mW
pow = pow .* 1e3; %mW
@@ -378,14 +382,23 @@ classdef Signal
end
%%
function [obj,delay_n] = delay(obj,options)
function [obj] = delay(obj,delay,options)
arguments
obj Signal
options.delay_samples = 0
delay double = 0
options.mode delay_mode = delay_mode.samples
end
obj.signal=delayseq(obj.signal,options.delay_samples);
if options.mode == delay_mode.samples
obj.signal=delayseq(obj.signal,delay);
elseif options.mode == delay_mode.time
obj.signal=delayseq(obj.signal,delay,obj.fs);
end
end
@@ -415,7 +428,7 @@ classdef Signal
end
% delay by lagging samples
obj = obj.delay("delay_samples",-D);
obj = obj.delay(-D,'mode','samples');
cuts = obj.length-(options.reference.length*q);
@@ -491,7 +504,7 @@ classdef Signal
ppeak(i) = maxA - (difference/histpoints*loc(i));
end
if isa(obj,'Opticalsignal')
er=10*log10(ppeak(1)/ppeak(end));
@@ -633,31 +646,7 @@ classdef Signal
hold on
xline(posxall)
hist_interest = plot_data(:,posxall);
hist_interest_smoth = smooth(hist_interest,20);
a = scatter(hist_interest_smoth+posxall,1:length(hist_interest_smoth),4,'.','MarkerEdgeColor','red');
[pk,loc] = findpeaks(hist_interest_smoth,"MinPeakDistance",40,"NPeaks",M,"MinPeakHeight",30);
scatter(posxall,loc,'red','Marker','x','LineWidth',2);
yline(loc,'Color','red','LineWidth',1,'LineStyle',':');
for i = 1:numel(loc)
ppeak(i) = maxA - (difference/histpoints*loc(i));
end
oma = false;
if isa(obj,'Opticalsignal')
er=10*log10(ppeak(1)/ppeak(end));
elseif isa(obj,'Electricalsignal')
if mean([ppeak(1),ppeak(end)]) < 1e-2
oma = true;
er=max(ppeak)-min(ppeak);
else
er=10*log10(ppeak(1)/ppeak(end));
end
else
er=10*log10(ppeak(1)/ppeak(end));
end
% Define properties
boxPosition = [0.15 0.86 0.2 0.05]; % Position for the first box [x y width height]
@@ -687,24 +676,53 @@ classdef Signal
'FontWeight', boxFontWeight, ...
'HorizontalAlignment', 'center');
% Adjust position for the third box (slightly to the right)
boxPosition = [0.59 0.86 0.2 0.05]; % Adjusted position
try
hist_interest = plot_data(:,posxall);
hist_interest_smoth = smooth(hist_interest,20);
a = scatter(hist_interest_smoth+posxall,1:length(hist_interest_smoth),4,'.','MarkerEdgeColor','red');
% Create third annotation box for Vmax
if ~oma
thirdboxstring = ['ER (db):',num2str(er),' dB'];
else
thirdboxstring = ['OMA outer:',num2str(er),' V'];
end
[pk,loc] = findpeaks(hist_interest_smoth,"MinPeakDistance",40,"NPeaks",M,"MinPeakHeight",30);
scatter(posxall,loc,'red','Marker','x','LineWidth',2);
yline(loc,'Color','red','LineWidth',1,'LineStyle',':');
annotation('textbox', boxPosition, ...
'String',thirdboxstring , ...
'BackgroundColor', boxColor, ...
'EdgeColor', boxEdgeColor, ...
'LineStyle', boxLineStyle, ...
'FontWeight', boxFontWeight, ...
'HorizontalAlignment', 'center');
for i = 1:numel(loc)
ppeak(i) = maxA - (difference/histpoints*loc(i));
end
oma = false;
if isa(obj,'Opticalsignal')
er=10*log10(ppeak(1)/ppeak(end));
elseif isa(obj,'Electricalsignal')
if mean([ppeak(1),ppeak(end)]) < 1e-2
oma = true;
er=max(ppeak)-min(ppeak);
else
er=10*log10(ppeak(1)/ppeak(end));
end
else
er=10*log10(ppeak(1)/ppeak(end));
end
% Adjust position for the third box (slightly to the right)
boxPosition = [0.59 0.86 0.2 0.05]; % Adjusted position
% Create third annotation box for Vmax
if ~oma
thirdboxstring = ['ER (db):',num2str(er),' dB'];
else
thirdboxstring = ['OMA outer:',num2str(er),' V'];
end
annotation('textbox', boxPosition, ...
'String',thirdboxstring , ...
'BackgroundColor', boxColor, ...
'EdgeColor', boxEdgeColor, ...
'LineStyle', boxLineStyle, ...
'FontWeight', boxFontWeight, ...
'HorizontalAlignment', 'center');
end
yticks(linspace(0,histpoints,16));
y_tickstring = sprintfc('%.2f', y_tickstring);