Merge remote-tracking branch 'origin/main'
This commit is contained in:
Silas Oettinghaus
@@ -193,14 +193,14 @@ classdef Signal
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end
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%% Add signals from one signal to another, the first object will sustain
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function Difference = minus(X,y)
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function Diff = minus(X,y)
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if isa(y,'Signal')
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Difference = X;
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Difference.signal = X.signal - y.signal;
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Diff = X;
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Diff.signal = X.signal - y.signal;
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elseif isnumeric(y)
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Difference = X;
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Difference.signal = X.signal - y;
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Diff = X;
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Diff.signal = X.signal - y;
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end
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end
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@@ -303,9 +303,11 @@ classdef Signal
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xlim([-obj.fs/2 obj.fs/2].*1e-9)
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edgetick = 2^(nextpow2(obj.fs*1e-9));
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% xticks([-edgetick:16:edgetick]);
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xlim([-244, 244])
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ylim([-120,10]);
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xlim([100*round( min(w.*1e-9)/100,1)-10,100*round( max(w.*1e-9)/100,1)+10])
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ylim([100*round( min(p_dbm)/100,1)-3,100*round( max(p_dbm)/100,1)+3]);
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yticks([-200:10:10]);
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grid on
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grid minor
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legend
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end
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@@ -423,8 +425,8 @@ classdef Signal
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end
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%% Synchronize with reference
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function [obj,D,cuts] = tsynch(obj,options)
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%%
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function [obj,S] = tsynch(obj,options)
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% time sync and cut
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arguments
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obj Signal
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@@ -440,29 +442,36 @@ classdef Signal
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b = options.reference.resample("fs_in",options.fs_ref,"fs_out",obj.fs).normalize("mode","oneone").signal;
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%estimate delay between signals
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[co,lags] = xcorr(a,b,100);
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[co,lags] = xcorr(a,b);
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[~,pos] = max(co);
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D = lags(pos);
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if D == 100
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warning('Check Sync: Delay is found to be 100 which is the max. windowlength is xcorr function!')
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%estimate start pos of signal
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maxpeaknum = floor(length(a)/length(b));
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[pks,pkpos] = findpeaks(co./max(co),'MinPeakDistance',length(b)/2,'MinPeakHeight',0.2,'NPeaks',maxpeaknum);
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shifts = lags(pkpos);
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%Cut occurences of ref signal from signal
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S = {};
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for c = shifts
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sig = obj.delay(-c,'mode','samples');
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sig.signal = sig.signal(1:length(b));
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S{end+1,1} = sig;
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end
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% delay by lagging samples
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obj = obj.delay(-D,'mode','samples');
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cuts = obj.length-(options.reference.length*q);
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if cuts > 10
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warning('Check Sync: Signal difference larger than 10.')
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end
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if cuts < 0
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% warning('Check Sync: Reference Signal shorter than signal to sync.')
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else
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% then cut out the length of the reference
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obj.signal = obj.signal(1:end-cuts);
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%plot all synced signals and the ref signal
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debug = 0;
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if debug
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figure;hold on;
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for i = 1:size(S,1)
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plot(S{i}.normalize('mode','oneone').signal(1000:1100),'LineWidth',0.1,'Color',[0.2157 0.4941 0.7216]);
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plot(b(1000:1100),'LineWidth',1);
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end
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end
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%return the sinal with the highest correlation...
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[~,idx]=max(pks);
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obj.signal = S{idx}.signal;
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end
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@@ -623,7 +632,6 @@ classdef Signal
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% beautify
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colormap(cbrewer2("Blues",4096));
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if isa(obj,'Opticalsignal')
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title("Optical Eye")
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ylabel("Power in mW");
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@@ -673,41 +681,15 @@ classdef Signal
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% Define properties
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boxPosition = [0.15 0.86 0.2 0.05]; % Position for the first box [x y width height]
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boxColor = [0.9 0.9 0.9]; % Light grey background color
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boxEdgeColor = 'k'; % Black edge color
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boxLineStyle = '--'; % Dashed line style
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boxFontWeight = 'bold'; % Bold font
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% Create first annotation box for Power
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annotation('textbox', boxPosition, ...
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'String', ['Power: ',num2str(pwr_dbm),' dBm'], ...
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'BackgroundColor', boxColor, ...
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'EdgeColor', boxEdgeColor, ...
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'LineStyle', boxLineStyle, ...
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'FontWeight', boxFontWeight, ...
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'HorizontalAlignment', 'center');
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% Adjust position for the second box (slightly to the right)
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boxPosition = [0.37 0.86 0.2 0.05]; % Adjusted position
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% Create second annotation box for PAPR
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annotation('textbox', boxPosition, ...
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'String', ['PAPR(lin):',num2str(papr_),''], ...
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'BackgroundColor', boxColor, ...
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'EdgeColor', boxEdgeColor, ...
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'LineStyle', boxLineStyle, ...
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'FontWeight', boxFontWeight, ...
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'HorizontalAlignment', 'center');
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try
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hist_interest = plot_data(:,posxall);
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hist_interest_smoth = smooth(hist_interest,20);
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a = scatter(hist_interest_smoth+posxall,1:length(hist_interest_smoth),4,'.','MarkerEdgeColor','red');
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[pk,loc] = findpeaks(hist_interest_smoth,"MinPeakDistance",40,"NPeaks",M,"MinPeakHeight",30);
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[pk,loc] = findpeaks(hist_interest_smoth,"MinPeakDistance",10,"NPeaks",M,"MinPeakHeight",30,"MinPeakProminence",10);
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scatter(posxall,loc,'red','Marker','x','LineWidth',2);
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yline(loc,'Color','red','LineWidth',1,'LineStyle',':');
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for i = 1:numel(loc)
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@@ -738,6 +720,37 @@ classdef Signal
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thirdboxstring = ['OMA outer:',num2str(er),' V'];
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end
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plot_infos = 0;
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if plot_infos
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% Define properties
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boxPosition = [0.15 0.86 0.2 0.05]; % Position for the first box [x y width height]
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boxColor = [0.9 0.9 0.9]; % Light grey background color
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boxEdgeColor = 'k'; % Black edge color
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boxLineStyle = '--'; % Dashed line style
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boxFontWeight = 'bold'; % Bold font
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% Create first annotation box for Power
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annotation('textbox', boxPosition, ...
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'String', ['Power: ',num2str(pwr_dbm),' dBm'], ...
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'BackgroundColor', boxColor, ...
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'EdgeColor', boxEdgeColor, ...
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'LineStyle', boxLineStyle, ...
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'FontWeight', boxFontWeight, ...
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'HorizontalAlignment', 'center');
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% Adjust position for the second box (slightly to the right)
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boxPosition = [0.37 0.86 0.2 0.05]; % Adjusted position
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% Create second annotation box for PAPR
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annotation('textbox', boxPosition, ...
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'String', ['PAPR(lin):',num2str(papr_),''], ...
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'BackgroundColor', boxColor, ...
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'EdgeColor', boxEdgeColor, ...
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'LineStyle', boxLineStyle, ...
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'FontWeight', boxFontWeight, ...
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'HorizontalAlignment', 'center');
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annotation('textbox', boxPosition, ...
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@@ -749,6 +762,8 @@ classdef Signal
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'HorizontalAlignment', 'center');
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end
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end
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yticks(linspace(0,histpoints,16));
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y_tickstring = sprintfc('%.2f', y_tickstring);
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yticklabels(y_tickstring);
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