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METHOD OF ESTIMATING ACOUSTICAL TECHNOLOGY EFFECTIVE DOSE
METHOD OF ESTIMATING ACOUSTICAL TECHNOLOGY EFFECTIVE DOSE
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机译:估算声学技术有效剂量的方法
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摘要
PROBLEM TO BE SOLVED: To provide a method of previously grasping an acoustical technology effective dose in sufficient precision on the basis of information obtained by using a beam forming method using a sound source inquiry device.;SOLUTION: The method of estimating the acoustical technology effective dose executes: a first step of measuring noise with the sound source inquiry device and calculating a sound pressure level or the like; a second step of being vertically and horizontally divided within a set analysis object range at an optional gap in the form of a mesh; a third step of calculating an overall sound pressure level value in each mesh; a fourth step of calculating a total energy amount of noise within an analysis object range; a fifth step of setting a countermeasure object noise range on the basis of attenuation width predetermined on the basis of directional characteristics of the sound source inquiry device; a sixth step of calculating the total energy amount of the noise within the countermeasure object noise range; and a seventh step of calculating a degree of contribution of the total energy amount of the noise within the countermeasure object noise range for the total energy amount of the noise within the analysis object range.;COPYRIGHT: (C)2012,JPO&INPIT
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