METHOD detection and recognition of bottom fish on resonance absorption hydroacoustic signal THEIR swim bladder

摘要

method u043eu0431u043du0430u0440u0443u0436u0435u043du0438u00a0 and u0440u0430u0441u043fu043eu0437u043du0430u0432u0430u043du0438u00a0 bottom fish on the u0440u0435u0437u043eu043du0430u043du0441u043du043eu043cu0443 & hydro acoustic signals their swimming bladder u0437u0430u043au043bu044eu0447u0430u044eu0449u0438u0439u0441u00a0 in generation, u0443u0441u0438u043bu0435u043du0438 and, a high frequency wave parametric u0438u0437u043bu0443u0447u0435u043du0438u00a0 aimed (at frequencies 1 and 2 close to the resonant frequency of the air bubble.u043du0430u0445u043eu0434u00a0u0449u0438u0445u0441u00a0 in u043fu0440u0438u043fu043eu0432u0435u0440u0445u043du043eu0441u0442u043du043eu043c layer water; u043du0435u043bu0438u043du0435u0439u043du043eu043c interaction of high-frequency waves (at frequencies of 1 and 2 with the formation of low-frequency waves u0440u0430u0437u043du043eu0441u0442u043du043e two frequency = 1 - 2, u043au043eu0442u043eu0440u0430u00a0 u0440u0430u0441u043fu0440u043eu0441u0442u0440u0430u043du00a0u0435u0442u0441u00a0 directed in the aquatic environment, and through which a fish u043eu0431u043bu0443u0447u0430u0435u0442u0441u00a0 with swimming bladder; u0433u0435u043du0435u0440u0438u0440u0443u0435u0442u0441u00a0,u0443u0441u0438u043bu0438u0432u0430u0435u0442u0441u00a0 and is u0438u0437u043bu0443u0447u0430u0435u0442u0441u00a0 using parametric low-frequency hydro acoustic signal reception unit which u0432u044bu0441u043eu043au043eu0447u0430u0441u0442u043eu0442u043du0430u00a0 wave n u0430u043au0430u0447u043au0438 at a frequency of 3 u0431u043bu0438u0437u043au0430u00a0 to resonant frequency lens sound u043du0430u0445u043eu0434u00a0u0449u0438u0445u0441u00a0 in the layer of water; u0440u0430u0441u0441u0435u0438u0432u0430u00a0u0441u044c u043du0435u043eu0434u043du043eu0440u043eu0434u043du043eu0441u0442u00a0u0445 u0432u044bu0441u043eu043au043eu0447u0430u0441u0442u043eu0442u043du0430u00a0 wave on water environment (at a frequency of 3 interacts with u0440u0430u0437u043du043eu0441u0442u043du043eu0439 low-frequency wave frequencyreflected from the amounts of fish with a gas bubble ', as well as the low-frequency wave of its own u0438u0437u043bu0443u0447u0435u043du0438u00a0 fish on the frequency of "education of high-frequency waves comb u0438u043du0430u0446u0438u043eu043du043du044bu0445 frequencies 3 'and 3 ", u0440u0430u0441u043fu0440u043eu0441u0442u0440u0430u043du00a0u044eu0449u0438u0445u0441u00a0 toward the block directional reception of parametric low-frequency hydro acoustic signalsu043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u0435u0442u0441u00a0 low-frequency signals at the frequencies where the 'and' of the high frequency u043au043eu043cu0431u0438u043du0430u0446u0438u043eu043du043du044bu0445 frequencies 3 'and 3 "method u0434u0435u0442u0435u043au0442u0438u0440u043eu0432u0430u043du0438u00a0 and produces u0441u00a0 spectral analysis of low-frequency signals at frequencies' and their comparison with the reference signals and u043fu0440u0438u043du0438u043cu0430u0435u0442u0441u00a0 decision on the detection u0441u043au043eu043fu043bu0435u043du0438u00a0 fish with u043fu043bu0430u0432u0430u0442 u0435u043bu044cu043du044bu043c bubble, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 orderwhat is a fish with a bubble u0438u0441u043fu043eu043bu044cu0437u0443u044eu0442u0441u00a0 bottom fish swimming bladder; as the object u043bu043eu0446u0438u0440u043eu0432u0430u043du0438u00a0 u0438u0441u043fu043eu043bu044cu0437u0443u0435u0442u0441u00a0 bottom and u0434u043eu043du043du0430u00a0 fish; u043du0430u043fu0440u0430u0432u043b u0435u043du043du043eu0435 radiation of high-frequency waves (at frequencies of 1 and 2.u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u0435u0442u0441u00a0 towards the bottom; in the u043du0435u043bu0438u043du0435u0439u043du043eu043c interaction of high-frequency waves (at frequencies of 1 and 2 u043eu0431u0440u0430u0437u0443u0435u0442u0441u00a0 u043du0438u0437u043au043eu0447u0430u0441u0442u043eu0442u043du0430u00a0 u0448u0438u0440u043eu043au043eu043fu043eu043bu043eu0441u043du0430u00a0 wave ra u0437u043du043eu0441u0442u043du043eu0439 frequency = 1 - 2; u0440u0430u0437u043du043eu0441u0442u043du0430u00a0 frequency = 1 - 2 close to the resonance frequency of the sound u043fu043eu0433u043bu043eu0449u0435u043du0438u00a0 swimming bladder benthic fish in the u043du0438u0437u043au043eu0447u0430u0441u0442u043eu0442u043du0430u00a0 u0448u0438u0440u043eu043au043eu043fu043eu043bu043eu0441u043du0430u00a0; lna u0440u0430u0437u043du043eu0441u0442u043du043eu0439 frequency u0440u0430u0441u0441u0435u0438u0432u0430u0435u0442u0441u00a0 bottombenthic fish and partially u0440u0435u0437u043eu043du0430u043du0441u043du043e u043fu043eu0433u043bu043eu0449u0430u0435u0442u0441u00a0 their swimming bladder at the frequency of the wave; u0432u044bu0441u043eu043au043eu0447u0430u0441u0442u043eu0442u043du0430u00a0 (at a frequency close to the resonant frequency of the b 3 u043eu043bu043eu0433u0438u0447u0435u0441u043au0438u0445 lenses sound dominant in the water column.including in the bottom layer; the direction of reception of the low-frequency broadband parametric hydro acoustic signals u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 through wave ra u0437u043cu0435u0440u043eu0432 high-frequency receiver module receiving the low-frequency broadband directional parametric hydro acoustic signals; further u043eu0441u0443u0449u0435u0441 u0442u0432u043bu00a0u0435u0442u0441u00a0 u0432u0438u0434u043eu0432u0430u00a0,u043au043eu043bu0438u0447u0435u0441u0442u0432u0435u043du043du0430u00a0 and u0440u0430u0437u043cu0435u0440u043du0430u00a0 u0438u0434u0435u043du0442u0438u0444u0438u043au0430u0446u0438u00a0 discovered bottom fish with a bubble; the frequency of resonance sound u043fu043eu0433u043bu043eu0449u0435u043du0438u00a0 swimming bladder before the u043du043du043eu0439 fish less than the resonant frequency of the biological lenses sound dominant in the water column, including in the bottom layer and substantially less reason u043du0441u043du043eu0439 frequency air bubble ou043du0430u0445u043eu0434u00a0u0449u0438u0445u0441u00a0 in u043fu0440u0438u043fu043eu0432u0435u0440u0445u043du043eu0441u0442u043du043eu043c layer water.