Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Acoustic diagnostics of conditions in a cabin of crew of an air vessel YU.V. POPOV, E.V. ANDREEV In article are stated a number of substantive provisions of acoustic diagnostics of conditions in a cabin of an air vessel. These positions are applied at investigation of aviation incidents. Acoustic conditions in a cabin is fixed by system of registration of sound conditions. In article characteristics of sound signals and noise are given. Three variants of identification of sound signals which can arise at aviation incident are considered. These problems can be solved on a basis studying of distribution of energy from one point in another. In article it is considered bezdispersnoe distribution of energy of a sound signal. In this case calculation of characteristics of a sound signal of the gas station determining dependence of supervision on an input and an output, it is determined by linear communication. The factor of correlation is applied to identification of sound signals. The variant of identification is considered at full destruction of an air vessel whichis based on definition of mutual correlation function between an entrance and target signal of a path and autocorrelation function of an entrance signal. Keywords: acoustic diagnostics, system of registration of sound conditions, aviation incidents, air a vessel, a soundtrack, sound signals, noise, factor of correlation, correlation function. Contacts: E-mail: tov_popov@rambler.ru Pp. 25-29.