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Relations between the Phases and Amplitudes of Multipole Components of an Acoustic Field Scattered by Discrete Inhomogeneities
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2021-03-16 , DOI: 10.3103/s1062873821010093
K. V. Dmitriev

Abstract

An acoustic field scattered by an object can be presented as a multipole series. The set of values of every coefficient in this series is limited for objects with cylindrical symmetry when there are no internal sources of energy. Relations are presented for the phases and amplitudes of these coefficients, and between the powers of the absorbed and scattered fields.



中文翻译:

离散不均匀散射声场中多极分量的相位和振幅之间的关系

摘要

被物体散射的声场可以表示为多极级数。当没有内部能量源时,此系列中每个系数的值集仅限于具有圆柱对称性的对象。给出了这些系数的相位和幅度以及吸收场和散射场的功率之间的关系。

更新日期:2021-03-16
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