Noise in Fourier self-deconvolution.

作者: KK Jyrki , JM Douglas , GC David , HM Henry

DOI: 10.1364/AO.20.001866

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摘要: A general formula for computing changes in the signal-to-noise ratio of a spectrum resulting from Fourier self-deconvolution procedure is derived. Self-deconvolution reduces intrinsic halfwidths lines by factor K, which practice limited noise spectrum. With help derived formula, rate decrease SNR as function K eight different smoothing (apodization) functions studied. high values there are significant differences result use functions. = 4 difference more than 1 order magnitude between two extreme cases demonstrated, and with 5 almost 2 orders predicted.

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