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Publication detail

 
Reference IEC/TS 61949 ed1.0 withdrawn corrigendum
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Title Ultrasonics - Field characterization - In situ exposure estimation in finite-amplitude ultrasonic beams
Publication date 2007-11-27
Format, price
(Swiss francs)
and language
190.- 31 pages
190.- 1021 Kb
 
Abstract This Technical Specification describes means to allow "attenuated" acoustic quantities to be calculated under conditions where the associated acoustic measurements, made in water using standard procedures, may be accompanied by significant finite-amplitude effects. This Technical Specification establishes: - the general concept of the limits of applicability of acoustic measurements in water resulting from finite-amplitude acoustic effects; - a method to ensure that measurements are made under quasi-linear conditions in order to minimise finite-amplitude effects; - the definition of an acoustic quantity appropriate for establishing quasi-linear conditions; - a threshold value for the acoustic quantity as an upper limit for quasi-linear conditions; - a method for the estimation of attenuated acoustic quantities under conditions of nonlinear propagation in water.
Technical Committee 87 - Ultrasonics  RSS
ICS Codes
17.140.50 Electroacoustics
*Including sound level meters
 
Replaced by
Stability date 2015
 
Work in progress
ProjectStage codeForecast publication date
No project under development--


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