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203
ETSDataFormat3D.m
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203
ETSDataFormat3D.m
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function varargout = ETSDataFormat3D(filename)
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% If you only care about total power or only one polarization is measured:
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% [D, phi, theta, freqs] = ETSDataFormat3D(filename)
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% If you want all phi, theta, and total polarizations:
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% - [D_total, D_phi, D_theta, phi, theta, freqs] = ETSDataFormat3D(filename)
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% - If only one vertical/horizontal/total is present, that is the only data
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% array that will be output in the three-argout case
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% - D is a numPhi x numTheta x numFreqs array. The function will extract all of the data as an array, as well as
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% the angular step in phi, angular step in theta, and measured frequencies as separate vectors.
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% The function will save a .mat file with the same name as the input file
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% and process that if it exists.
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% clear;clc;close all
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% filename = '251211_3DPrintedParasiticPatch_Hcut.csv';
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[filePath, fname_noExt, ~] = fileparts(filename);
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matFilename = [filePath fname_noExt '.mat'];
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if exist(matFilename, 'file')
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matFileExists = true;
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disp('mat file already exists. Loading...')
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varsInFile = who('-file', matFilename);
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load(matFilename);
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switch numel(varsInFile)
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case 4
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if exist('D_total', 'var')
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varargout{1} = D_total;
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elseif exist('D_vert', 'var')
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varargout{1} = D_vert;
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elseif exist('D_horiz', 'var')
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varargout{1} = D_horiz;
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end
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varargout{2} = phi;
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varargout{3} = theta;
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varargout{4} = freqs;
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case 6
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if ~(exist('D_total', 'var') && exist('D_phi', 'var') && exist('D_theta', 'var'))
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error('Too many output arguments. One of the vertical/horizontal/total polarizations does not exist');
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end
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varargout{1} = D_total;
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varargout{2} = D_phi;
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varargout{3} = D_theta;
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varargout{4} = phi;
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varargout{5} = theta;
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varargout{6} = freqs;
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otherwise
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error('Number of variables in saved mat file is incorrect.')
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end
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return % Exit the function if the mat file already exists
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else
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matFileExists = false;
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disp('mat file does not exist. Loading data from csv...')
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end
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D = readcell(filename);
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D = D(3:end, :);
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disp('Processed input file')
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%Find indices of polarization "type" (vertical/horizontal/total)
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idxTypeCell = cellfun(@ismissing, D(:, 1), 'UniformOutput', false);
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% idxTypeCell = ismissing(D(:,1));
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% idxsType = find(~idxTypeCell);
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idxsType = [];
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for i = 1:numel(idxTypeCell)
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if ~idxTypeCell{i}
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idxsType(end + 1) = i;
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end
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end
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% disp('Num tables')
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numTables = numel(idxsType); %Determine the number of tables (phi/theta/total)
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%Potentially an issue if the table includes the antenna parameters or not
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% disp('Num rows per table')
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numRowsPerTable = idxsType(2) - idxsType(1) - 1; % determine the length of each table (num theta plus header)
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%For each table, determine if it is for the horizontal/vertical/total power
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for i = 1:numTables
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if contains(lower(D{idxsType(i), 1}), 'theta')
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D_thetaTemp = D(idxsType(i):idxsType(i)+numRowsPerTable, 2:end);
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if ~(exist('theta', 'var') && exist('phi', 'var') && exist('freqs', 'var')) %Only do this processing if hasn't been done yet
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theta = D_thetaTemp(2, 3:end);
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thetaMask = ~cell2mat(cellfun(@ismissing, D_thetaTemp(2, 3:end), 'UniformOutput', false));
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% disp('theta--------------------------------------------------')
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theta = cell2mat(theta(thetaMask)); %Extract theta values and put in vector
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phi = D_thetaTemp(:, 2);
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phimask = cellfun('isclass', phi, 'double');
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% disp('phi--------------------------------------------------')
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phi = sort(unique(cell2mat(phi(phimask)))); %Extract phi values and put in vector
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freqs = D_thetaTemp(2:end, 1)';
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freqMask = ~cell2mat(cellfun(@ismissing, freqs, 'UniformOutput', false));
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freqs = cell2mat(freqs(freqMask));
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freqs = freqs(freqs>0); %Extract all frequencies, determine which are above zero, and put in vector
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end
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D_thetaTemp = D_thetaTemp(2:end, 3:3+numel(theta)-1); %trim data
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D_theta = zeros(numel(phi), numel(theta), numel(freqs));
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for j = 0:numel(freqs)-1
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% D_thetaTemp((3+j*(3+numel(phi))):(3+j*(3+numel(phi)) + numel(phi)-1),:)
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% D_thetaTemp((3+j*(3+numel(phi))):(3+j*(3+numel(phi)) + stopCond),:)
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% cell2mat(D_thetaTemp((3+j*(3+numel(phi))):(3+j*(3+numel(phi)) + numel(phi)-1),:))
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if numel(phi) == 1
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D_theta(:, :, j + 1) = cell2mat(D_thetaTemp(3*(j + 1), :));
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else
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blockStart = 3 + j * (2 + numel(phi));
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blockStop = blockStart + numel(phi) - 1;
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D_theta(:, :, j+1) = cell2mat(D_thetaTemp(blockStart:blockStop,:));
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end
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end
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disp('Processed theta polarization')
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elseif contains(lower(D{idxsType(i), 1}), 'phi')
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D_phiTemp = D(idxsType(i):idxsType(i)+numRowsPerTable, 2:end);
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if ~(exist('theta', 'var') && exist('phi', 'var') && exist('freqs', 'var'))
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theta = D_phiTemp(2, 3:end);
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thetaMask = ~cell2mat(cellfun(@ismissing, D_phiTemp(2, 3:end), 'UniformOutput', false));
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theta = cell2mat(theta(thetaMask));
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phi = D_phiTemp(:, 2);
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phimask = cellfun('isclass', phi, 'double');
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phi = sort(unique(cell2mat(phi(phimask))));
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freqs = D_phiTemp(2:end, 1)';
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freqMask = ~cell2mat(cellfun(@ismissing, freqs, 'UniformOutput', false));
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freqs = cell2mat(freqs(freqMask));
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freqs = freqs(freqs>0);
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end
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D_phiTemp = D_phiTemp(2:end, 3:3+numel(theta)-1); %trim data
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D_phi = zeros(numel(phi), numel(theta), numel(freqs));
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for j = 0:numel(freqs)-1
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% D_phi(:, :, j+1) = cell2mat(D_phiTemp((3+j*(3+numel(phi))):(3+j*(3+numel(phi)) + numel(phi)-1),:));
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if numel(phi) == 1
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D_phi(:, :, j + 1) = cell2mat(D_phiTemp(3*(j + 1), :));
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else
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blockStart = 3 + j * (2 + numel(phi));
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blockStop = blockStart + numel(phi) - 1;
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D_phi(:, :, j+1) = cell2mat(D_phiTemp(blockStart:blockStop,:));
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end
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end
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disp('Processed phi polarization')
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elseif contains(lower(D{idxsType(i), 1}), 'total power')
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D_totalTemp = D(idxsType(i):idxsType(i)+numRowsPerTable, 2:end);
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if ~(exist('theta', 'var') && exist('phi', 'var') && exist('freqs', 'var'))
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theta = D_totalTemp(2, 3:end);
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thetaMask = ~cell2mat(cellfun(@ismissing, D_totalTemp(2, 3:end), 'UniformOutput', false));
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theta = cell2mat(theta(thetaMask));
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phi = D_totalTemp(:, 2);
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phimask = cellfun('isclass', phi, 'double');
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phi = sort(unique(cell2mat(phi(phimask))));
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freqs = D_totalTemp(2:end, 1)';
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freqMask = ~cell2mat(cellfun(@ismissing, freqs, 'UniformOutput', false));
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freqs = cell2mat(freqs(freqMask));
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freqs = freqs(freqs>0);
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end
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D_totalTemp = D_totalTemp(2:end, 3:3+numel(theta)-1); %trim data
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D_total = zeros(numel(phi), numel(theta), numel(freqs));
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for j = 0:numel(freqs)-1
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% D_total(:, :, j+1) = cell2mat(D_totalTemp((3+j*(3+numel(phi))):(3+j*(3+numel(phi)) + numel(phi)-1),:));
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if numel(phi) == 1
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D_total(:, :, j + 1) = cell2mat(D_totalTemp(3*(j + 1), :));
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else
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blockStart = 3 + j * (2 + numel(phi));
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blockStop = blockStart + numel(phi) - 1;
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D_total(:, :, j+1) = cell2mat(D_totalTemp(blockStart:blockStop,:));
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end
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end
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disp('Processed total power')
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end
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end
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freqs = freqs.*1e6; % Format frequencies in Hz
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switch nargout
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case 4
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if exist('D_total', 'var')
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varargout{1} = D_total;
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D = D_total;
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elseif exist('D_vert', 'var')
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varargout{1} = D_vert;
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D = D_vert;
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elseif exist('D_horiz', 'var')
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varargout{1} = D_horiz;
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D = D_horiz;
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end
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varargout{2} = phi;
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varargout{3} = theta;
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varargout{4} = freqs;
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if ~matFileExists
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save(matFilename, 'D', 'phi', 'theta', 'freqs');
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end
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case 6
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if ~(exist('D_total', 'var') && exist('D_phi', 'var') && exist('D_theta', 'var'))
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error('Too many output arguments. One of the vertical/horizontal/total polarizations does not exist');
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end
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varargout{1} = D_total;
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varargout{2} = D_phi;
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varargout{3} = D_theta;
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varargout{4} = phi;
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varargout{5} = theta;
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varargout{6} = freqs;
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if ~matFileExists
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save(matFilename, 'D_total', 'D_phi', 'D_theta', 'phi', 'theta', 'freqs');
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end
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otherwise
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error('Output should be in the format [Data, phi, theta, freqs] or [Data_total, Data_phi, Data_theta, phi, theta, freqs]');
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end
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end
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