PROCESS OF DETERMINATION OF SENSITIVITY OF ELECTROACOUSTIC CONVERTER BY RECIPROCITY METHOD

摘要

use: in the field of acoustic measurements. the essence of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0: radiate acoustic u043au043eu043bu0435u0431u0430u043du0438u00a0 auxiliary converter and take their subject converter. experimental u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 parameter of reciprocity with their u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 according to sensitivity test on u0442u043eu043au0430u0445 and u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0u0445 electric the converters and the reciprocity.experimental definition of reciprocity u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 by u0437u0430u043cu0435u0449u0435u043du0438u00a0 subject u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 combined receiver u0434u0430u0432u043bu0435u043du0438u00a0 and u043au043eu043bu0435u0431u0430u0442u0435u043b steel speed.further radiate reversible converter, after which the combined receiver by configuring it to maximum sensitivity to pressure, u0438u0437u043cu0435u0440u00a0u044eu0442 acoustic the pressure created by the reversible converter.combined receiver set at maximum sensitivity u043au043eu043bu0435u0431u0430u0442u0435u043bu044cu043du043eu0439 speed and u0438u0437u043cu0435u0440u00a0u044eu0442 u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0435u0439 u043au043eu043bu0435u0431u0430u0442u0435u043bu044cu043du043eu0439 with normal distribution u043au043eu0440u043eu0441u0442u0438 Vn on a closed surface s, covering the reversible converter outside the wave area u0444u0440u0435u043du0435u043bu00a0, then u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 reciprocity with parameter of the volumetric u043au043eu043bu0435u0431u0430u0442u0435u043bu044cu043du043eu0439 speed v to the u0430u043au0443u0441u0442u0438u0447u0435u0441u043au043eu043cu0443 pressure u04400).with v / p0, where v / VndS. the distribution of normal s u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0435u0439 u043au043eu043bu0435u0431u0430u0442u0435u043bu044cu043du043eu0439 speed u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442, u0432u0440u0430u0449u0430u00a0 combined receiver around u043eu0431u0440u0430u0442u0438u043cu043eu0433u043e u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 or vice versa.the acoustic u043fu043eu043bu00a0 unevenness caused by uneven distribution of u043eu0431u0440u0430u0442u0438u043cu043eu0433u043e designed properties u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0, normal u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0435u0439 to u043bu0435u0431u0430u0442u0435u043bu044cu043du043eu0439 speed u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 only in those u043fu043bu043eu0441u043au043eu0441u0442u00a0u0445 where the uneven u043fu0440u043eu00a0u0432u043bu00a0u0435u0442u0441u00a0. (l to about $iO xj os