20 lines
526 B
Mathematica
20 lines
526 B
Mathematica
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%% 2DFFT得到距离-角度热力图
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function fft2dData = RAfftMatrix(rawData)
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rawData = squeeze(rawData);
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[angleBin,rangeBin] = size(rawData);
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angleWin = hanning(angleBin);
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angleWin2D = repmat(angleWin,1,rangeBin);
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rangeWin = hanning(rangeBin)';
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rangeWin2D = repmat(rangeWin,angleBin,1);
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rawDataWin = rawData .* angleWin2D;
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fft1dData = fftshift(fft(rawDataWin,angleBin,1));
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fft1dDataWin = fft1dData .* rangeWin2D;
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fft2dData = fft(fft1dDataWin,rangeBin,2);
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end
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