%0 Journal Article %T APPLICATION OF THE METHOD OF POLYSPECTRAL ESTIMATION OF INFRASONIC SIGNALS WITH HYPERBOLIC SYMMETRY FOR DETECTION OF PEOPLE IN BLOCKAGES %A Bogdanova, E.M. %A Ivanov, A.N. %A Rodin, V.N. %K acoustic energy, hyperbolic symmetry, infrasonic frequencies, Fourier's spectral characteristics, Mellin's spectral characteristics, monospectral analysis, polyspectral analysis %J NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) %D 2014 %N 2014 %P 8 %I Saint-Petersburg University of State Fire Service of Emercom of Russia