15 lines
534 B
Mathematica
15 lines
534 B
Mathematica
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%% 2DFFT得到距离-速度热力图
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function fft2dData = RDfftMatrix(rawData)
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rawData = squeeze(rawData);
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[rangeBin,dopplerBin] = size(rawData);
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rangeWin = hanning(rangeBin);
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rangeWin2D = repmat(rangeWin,1,dopplerBin);
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dopplerWin = hanning(dopplerBin)';
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dopplerWin2D = repmat(dopplerWin,rangeBin,1);
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rawDataWin = rawData .* rangeWin2D;
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fft1dData = fft(rawDataWin,rangeBin,1);
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fft1dDataWin = fft1dData .* dopplerWin2D;
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fft2dData = fftshift(fft(fft1dDataWin,dopplerBin,2),2);
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end
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