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Acta Geophysica

Tytuł artykułu

Applications of Savitzky-Golay Filter for Seismic Random Noise Reduction

Autorzy Liu, Y.  Dang, B.  Li, Y.  Lin, H.  Ma, H. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN This article utilizes Savitzky–Golay (SG) filter to eliminate seismic random noise. This is a novel method for seismic random noise reduction in which SG filter adopts piecewise weighted polynomial via leastsquares estimation. Therefore, effective smoothing is achieved in extracting the original signal from noise environment while retaining the shape of the signal as close as possible to the original one. Although there are lots of classical methods such as Wiener filtering and wavelet denoising applied to eliminate seismic random noise, the SG filter outperforms them in approximating the true signal. SG filter will obtain a good tradeoff in waveform smoothing and valid signal preservation under suitable conditions. These are the appropriate window size and the polynomial degree. Through examples from synthetic seismic signals and field seismic data, we demonstrate the good performance of SG filter by comparing it with the Wiener filtering and wavelet denoising methods.
Słowa kluczowe
PL redukcja szumów   sygnał   dane sejsmiczne  
EN noise reduction   signal   seismic data   SG filter   seismic random   synthetic seismic  
Wydawca Instytut Geofizyki PAN
Czasopismo Acta Geophysica
Rocznik 2016
Tom Vol. 64, no. 1
Strony 101--124
Opis fizyczny Bibliogr. 36 poz.
autor Liu, Y.
  • College of Electronic Engineering, Xi’an Shiyou University, Xi’an, China,
autor Dang, B.
  • College of Electronic Engineering, Xi’an Shiyou University, Xi’an, China
autor Li, Y.
  • College of Communication Engineering, Jilin University, Changchun, China
autor Lin, H.
  • College of Communication Engineering, Jilin University, Changchun, China
autor Ma, H.
  • College of Communication Engineering, Jilin University, Changchun, China
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Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-3aa90422-8cdf-4035-964f-c95fb495ca7e
DOI 10.1515/acgeo-2015-0062