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Image taken with Flir T420 infra red camera. Each color represents different temperatures, as is shown on spectrum scale on right side of image.

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Image taken with Flir T420 infra red digital camera. Each color represents different temperatures, as is shown on spectrum scale on right side of image.

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Free Images: "bestof:Spectral leakage from two 8-point Gaussian windows.png en Comparing the discrete-time Fourier transforms of symmetric and periodic windows The Gaussian form σ"

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