66 lines
2.0 KiB
Matlab
66 lines
2.0 KiB
Matlab
function [SpectrumAnalyzer,TimeScope,ConstellationDiagram,EVMPerSubcarrier,EVMPerSymbol] = heSigRecSetupPlots(sr)
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%heSigRecSetupPlots Create measurement plots for the featured example
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% Copyright 2018-2019 The MathWorks, Inc.
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% Scale and position plots on the screen
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[repositionPlots,position] = helperPlotPositions();
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% Create spectrum analyzer to plot spectrum of packet
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SpectrumAnalyzer = dsp.SpectrumAnalyzer;
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SpectrumAnalyzer.Name = 'Detected packet signal spectrum';
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SpectrumAnalyzer.SampleRate = sr;
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SpectrumAnalyzer.ShowLegend = true;
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SpectrumAnalyzer.RBWSource = 'Property';
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SpectrumAnalyzer.RBW = 100e3;
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SpectrumAnalyzer.SpectralAverages = 3;
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if repositionPlots
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SpectrumAnalyzer.Position = position(1,:);
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end
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% Create time scope to plot detected packet
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TimeScope = timescope;
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TimeScope.Name = 'Detected packet';
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TimeScope.YLabel = 'Magnitude';
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TimeScope.PlotType = 'Line';
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TimeScope.ShowGrid = true;
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TimeScope.ShowLegend = true;
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TimeScope.SampleRate = sr;
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TimeScope.TimeSpanSource = 'property';
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if repositionPlots
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TimeScope.Position = position(2,:);
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end
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% Create a constellation diagram to plot equalized symbols
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ConstellationDiagram = comm.ConstellationDiagram;
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ConstellationDiagram.ShowReferenceConstellation = true;
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ConstellationDiagram.ShowGrid = true;
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ConstellationDiagram.Name = 'Equalized data symbols';
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if repositionPlots
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ConstellationDiagram.Position = position(5,:);
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end
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ConstellationDiagram.ShowLegend = 1;
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% Display EVM plot per subcarrier
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EVMPerSubcarrier = dsp.ArrayPlot;
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EVMPerSubcarrier.PlotType = 'Line';
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EVMPerSubcarrier.ShowLegend = true;
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EVMPerSubcarrier.XLabel = 'Subcarrier index';
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EVMPerSubcarrier.YLabel = 'EVM (dB)';
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EVMPerSubcarrier.Name = 'EVM per subcarrier';
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if repositionPlots
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EVMPerSubcarrier.Position = position(3,:);
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end
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% Display EVM plot per symbol
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EVMPerSymbol = dsp.ArrayPlot;
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EVMPerSymbol.PlotType = 'Line';
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EVMPerSymbol.ShowLegend = true;
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EVMPerSymbol.XLabel = 'Symbol index';
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EVMPerSymbol.YLabel = 'EVM (dB)';
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EVMPerSymbol.Name = 'EVM per symbol';
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if repositionPlots
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EVMPerSymbol.Position = position(4,:);
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end
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end |