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  5. ANALYSIS OF THE SIGNAL PREPROCESSING EFFICIENCY BY MODIFIED SSA METHOD

ANALYSIS OF THE SIGNAL PREPROCESSING EFFICIENCY BY MODIFIED SSA METHOD

V. Vasylyshyn, K. Matsina, R. Lukianiuk, R. Kasihin
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The influence of estimate of observation noise variance on the effectiveness of signal preprocessing by modified SSA method is analyzed in the paper. It is showed that using the noise variance estimate obtained with application of general statistical analysis results allows to improve the performance of spectral analysis when using signal preprocessing by modified SSA method.
Keywords: noise reduction in observation, singular vectors, singular values, modified SSA method