Výsledky vyhledávání - "Charonov, Serguei"

Generation of Fractals using Polynomial Iterations in Polar Coordinates

Autor: Charonov, Serguei

This article describes an algorithm for generating fractals using polar coordinates. The classic Julie and Mandelbrot polynomial iteration applied to a complex number is replaced by a separate iteration for distance and angle. By varying the polynomi

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Denoising of Spectra by Adaptive Multiwindow Model Fitting

Autor: Charonov, Serguei

A method for noise reduction of spectra based on fitting a multi-window model is presented. The spectrum is modeled as the sum of the polynomial background and Lorentzian peaks. This model applies to all points in the spectrum and to all window sizes

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Denoising of Spectra by Adaptive Multiwindow Polynomial Fitting

Autor: Charonov, Serguei

A method for noise reduction of spectra based on the adaptive application of the Savitsky-Golay polynomial filter is presented. A polynomial approximation is calculated at all points of the spectrum and for all window sizes. The weighted sum of all p

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Estimation of Gaussian Noise in Spectra by the Selective Polynomial Fit

Autor: Charonov, Serguei

This article describes an algorithm for estimation the variance of Gaussian noise. The data is smoothed using the Savitsky-Golay polynomial filter. Absolute differences between original and smoothed data are sorted in ascending order. The initial par

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