Dies und Das (MPI revisit)
This commit is contained in:
Silas Oettinghaus
@@ -198,65 +198,65 @@ 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 Sum = plus(X,y)
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if isa(X,'Signal') && isa(y,'Signal')
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Sum = X;
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Sum.signal = X.signal + y.signal;
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elseif isa(X,'Signal') && isnumeric(y)
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Sum = X;
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Sum.signal = X.signal + y;
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elseif isnumeric(X) && isa(y,'Signal')
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Sum = y;
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Sum.signal = X + y.signal;
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end
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end
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function Sum = plus(X,y)
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if isa(X,'Signal') && isa(y,'Signal')
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Sum = X;
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Sum.signal = X.signal + y.signal;
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elseif isa(X,'Signal') && isnumeric(y)
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Sum = X;
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Sum.signal = X.signal + y;
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elseif isnumeric(X) && isa(y,'Signal')
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Sum = y;
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Sum.signal = X + y.signal;
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end
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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 Diff = minus(X,y)
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if isa(X,'Signal') && isa(y,'Signal')
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Diff = X;
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Diff.signal = X.signal - y.signal;
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elseif isa(X,'Signal') && isnumeric(y)
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Diff = X;
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Diff.signal = X.signal - y;
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elseif isnumeric(X) && isa(y,'Signal')
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Diff = y;
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Diff.signal = X - y.signal;
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end
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end
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function Product = times(X,y)
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if isa(X,'Signal') && isa(y,'Signal')
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Product = X;
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Product.signal = X.signal .* y.signal;
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elseif isa(X,'Signal') && isnumeric(y)
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Product = X;
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Product.signal = X.signal .* y;
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elseif isnumeric(X) && isa(y,'Signal')
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Product = y;
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Product.signal = X .* y.signal;
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end
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end
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function Product = mtimes(X,y)
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if (isa(X,'Signal') && isnumeric(y) && isscalar(y)) || ...
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(isnumeric(X) && isscalar(X) && isa(y,'Signal'))
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Product = times(X,y);
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else
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error('Signal:mtimes:UnsupportedOperands', ...
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'Use element-wise .* for Signal multiplication, or scalar * Signal for scaling.');
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end
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end
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%% Display length
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function Diff = minus(X,y)
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if isa(X,'Signal') && isa(y,'Signal')
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Diff = X;
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Diff.signal = X.signal - y.signal;
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elseif isa(X,'Signal') && isnumeric(y)
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Diff = X;
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Diff.signal = X.signal - y;
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elseif isnumeric(X) && isa(y,'Signal')
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Diff = y;
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Diff.signal = X - y.signal;
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end
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end
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function Product = times(X,y)
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if isa(X,'Signal') && isa(y,'Signal')
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Product = X;
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Product.signal = X.signal .* y.signal;
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elseif isa(X,'Signal') && isnumeric(y)
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Product = X;
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Product.signal = X.signal .* y;
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elseif isnumeric(X) && isa(y,'Signal')
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Product = y;
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Product.signal = X .* y.signal;
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end
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end
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function Product = mtimes(X,y)
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if (isa(X,'Signal') && isnumeric(y) && isscalar(y)) || ...
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(isnumeric(X) && isscalar(X) && isa(y,'Signal'))
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Product = times(X,y);
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else
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error('Signal:mtimes:UnsupportedOperands', ...
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'Use element-wise .* for Signal multiplication, or scalar * Signal for scaling.');
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end
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end
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%% Display length
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function return_length = length(obj)
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%METHOD1 Summary of this method goes here
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% Detailed explanation goes here
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@@ -856,6 +856,10 @@ classdef Signal
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S{c}.logbook = [];
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end
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if ~isempty(S)
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obj = S{1};
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end
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else
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%do nothing when shifts are negative or there are none...
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@@ -1030,47 +1034,47 @@ classdef Signal
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elseif mode == 1
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% generate eye diagram using histogram
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finite_eye = eye_mat(isfinite(eye_mat));
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if isempty(finite_eye)
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finite_eye = sig(isfinite(sig));
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end
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amp_min = min(finite_eye);
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amp_max = max(finite_eye);
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amp_center = (amp_max + amp_min) / 2;
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amp_span = amp_max - amp_min;
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if amp_span == 0
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amp_span = max(abs(amp_center),1);
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end
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amp_margin = 0.08 * amp_span;
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maxA = amp_center + amp_span/2 + amp_margin;
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minA = amp_center - amp_span/2 - amp_margin;
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if ~isa(obj,'Opticalsignal') && minA < 0 && maxA > 0
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targetStep = max(abs([minA maxA])) / 2;
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if targetStep > 0
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stepMagnitude = 10^floor(log10(targetStep));
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normalizedStep = targetStep / stepMagnitude;
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if normalizedStep <= 1
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tickStep = stepMagnitude;
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elseif normalizedStep <= 2
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tickStep = 2 * stepMagnitude;
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elseif normalizedStep <= 5
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tickStep = 5 * stepMagnitude;
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else
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tickStep = 10 * stepMagnitude;
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end
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axisLimit = 2 * tickStep;
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maxA = axisLimit;
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minA = -axisLimit;
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end
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end
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finite_eye = eye_mat(isfinite(eye_mat));
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if isempty(finite_eye)
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finite_eye = sig(isfinite(sig));
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end
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amp_min = min(finite_eye);
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amp_max = max(finite_eye);
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amp_center = (amp_max + amp_min) / 2;
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amp_span = amp_max - amp_min;
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if amp_span == 0
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amp_span = max(abs(amp_center),1);
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end
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amp_margin = 0.08 * amp_span;
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maxA = amp_center + amp_span/2 + amp_margin;
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minA = amp_center - amp_span/2 - amp_margin;
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if ~isa(obj,'Opticalsignal') && minA < 0 && maxA > 0
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targetStep = max(abs([minA maxA])) / 2;
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if targetStep > 0
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stepMagnitude = 10^floor(log10(targetStep));
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normalizedStep = targetStep / stepMagnitude;
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if normalizedStep <= 1
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tickStep = stepMagnitude;
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elseif normalizedStep <= 2
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tickStep = 2 * stepMagnitude;
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elseif normalizedStep <= 5
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tickStep = 5 * stepMagnitude;
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else
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tickStep = 10 * stepMagnitude;
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end
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axisLimit = 2 * tickStep;
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maxA = axisLimit;
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minA = -axisLimit;
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end
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end
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% maxA = 0.12;
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% minA = -0.08;
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difference= maxA-minA;
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data_ind_y=round((eye_mat-minA)/difference*(histpoints-1)) +1;
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data_ind_y = min(max(data_ind_y,1),histpoints);
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data_ind_y=round((eye_mat-minA)/difference*(histpoints-1)) +1;
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data_ind_y = min(max(data_ind_y,1),histpoints);
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for n=1:size(data_ind_y,1)
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nn=histcounts(data_ind_y(n,:),1:histpoints+1);
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@@ -1096,22 +1100,22 @@ classdef Signal
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if isa(obj,'Opticalsignal')
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title(['Optical Eye ',options.displayname])
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ylabel("Power in mW");
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yTickValues = linspace(maxA.*1e3,minA.*1e3,5);
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min_ = min(abs(obj.signal(100:end-100)).^2);
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max_ = abs(max(obj.signal(100:end-100)).^2);
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elseif isa(obj,'Electricalsignal')
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title(['Electrical Eye ',options.displayname])
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ylabel("Voltage in V");
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yTickValues = linspace(maxA,minA,5);
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min_ = min(obj.signal(100:end-100));
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max_ = abs(max(obj.signal(100:end-100)));
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else
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title(['Digital Eye ',options.displayname])
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ylabel("Digital Signal Amplitude");
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yTickValues = linspace(maxA,minA,5);
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min_ = min(obj.signal(100:end-100));
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max_ = abs(max(obj.signal(100:end-100)));
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end
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yTickValues = linspace(maxA.*1e3,minA.*1e3,5);
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min_ = min(abs(obj.signal(100:end-100)).^2);
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max_ = abs(max(obj.signal(100:end-100)).^2);
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elseif isa(obj,'Electricalsignal')
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title(['Electrical Eye ',options.displayname])
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ylabel("Voltage in V");
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yTickValues = linspace(maxA,minA,5);
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min_ = min(obj.signal(100:end-100));
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max_ = abs(max(obj.signal(100:end-100)));
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else
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title(['Digital Eye ',options.displayname])
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ylabel("Digital Signal Amplitude");
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yTickValues = linspace(maxA,minA,5);
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min_ = min(obj.signal(100:end-100));
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max_ = abs(max(obj.signal(100:end-100)));
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end
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xlabel('Time in ps')
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@@ -1149,14 +1153,14 @@ classdef Signal
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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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minPeakDistance = max(10, floor(histpoints / (2*M)));
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minPeakProminence = max(3, 0.05 * max(hist_interest_smoth));
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[pk,loc] = findpeaks(hist_interest_smoth, ...
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"MinPeakDistance",minPeakDistance, ...
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"NPeaks",M, ...
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"MinPeakProminence",minPeakProminence, ...
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"SortStr","descend");
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loc = sort(loc);
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minPeakDistance = max(10, floor(histpoints / (2*M)));
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minPeakProminence = max(3, 0.05 * max(hist_interest_smoth));
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[pk,loc] = findpeaks(hist_interest_smoth, ...
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"MinPeakDistance",minPeakDistance, ...
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"NPeaks",M, ...
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"MinPeakProminence",minPeakProminence, ...
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"SortStr","descend");
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loc = sort(loc);
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scatter(posxall,loc,'red','Marker','x','LineWidth',2);
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@@ -1239,14 +1243,14 @@ classdef Signal
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end
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yTickPositions = linspace(1,histpoints,numel(yTickValues));
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yticks(yTickPositions);
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yticklabels(sprintfc('%.2f', yTickValues));
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xTickValues = linspace(0, 2/fsym, 6) .* 1e12;
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xticks(linspace(1,histpoints_horizontal,numel(xTickValues)))
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x_tickstring = sprintfc('%.2f', xTickValues);
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xticklabels(x_tickstring);
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yTickPositions = linspace(1,histpoints,numel(yTickValues));
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yticks(yTickPositions);
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yticklabels(sprintfc('%.2f', yTickValues));
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xTickValues = linspace(0, 2/fsym, 6) .* 1e12;
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xticks(linspace(1,histpoints_horizontal,numel(xTickValues)))
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x_tickstring = sprintfc('%.2f', xTickValues);
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xticklabels(x_tickstring);
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%
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end
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