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Digital filtering and time-and-frequency analysis of nonstationary signals on the basis of wavelets and empirical modes

  • Theory and Methods of Signal Processing
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Abstract

The problem of digital filtering of signals with localized disturbances is considered by the example of complex multicomponent and noisy processes detected in a seismic survey. The possibility to perform the time-and-frequency analysis of the corresponding signals with the use of wavelets and empirical modes is discussed. It is noted that decomposition of the signal into empirical modes is a promising instrument for studying the structure of experimental data, which extends the possibilities of studying the dynamics of systems with time-variable characteristics.

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Original Russian Text © A.N. Pavlov, A.E. Filatova, A.E. Hramov, 2011, published in Radiotekhnika i Elektronika, 2011, Vol. 56, No. 9, pp. 1099–1106.

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Pavlov, A.N., Filatova, A.E. & Hramov, A.E. Digital filtering and time-and-frequency analysis of nonstationary signals on the basis of wavelets and empirical modes. J. Commun. Technol. Electron. 56, 1098–1104 (2011). https://doi.org/10.1134/S1064226911080092

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  • DOI: https://doi.org/10.1134/S1064226911080092

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