A procedure is proposed to optimize a high-pass filter enabling one to subtract the broadband background signals inherent in Raman spectra. A spectral approach is used to analyze the characteristics of the filter and the distortions in the processed spectra. Examples of the processing of real spectra are presented.
N. N. Brandt, O. O. Brovko, A. Y. Chikishev, and O. D. Paraschuk, "Optimization of the Rolling-Circle Filter for Raman Background Subtraction," Appl. Spectrosc. 60, 288-293 (2006)
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