果园
发表于 2025-3-21 17:42:04
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彩色的蜡笔
发表于 2025-3-22 00:11:06
ns the latest state of the art where technology is evolving.This textbook provides materials for an introductory course in Engineering Acoustics for students with a basic knowledge of mathematics. The contents are based on extensive teaching experience at the graduate level...Each of the 14 main cha
爱管闲事
发表于 2025-3-22 03:41:24
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难听的声音
发表于 2025-3-22 06:16:20
Michael Kortstock,Gisbert Wermuthwer and vice versa, based on .’s laws of induction and influence. This means that the transformation is linear, passive, and reversible. The fundamental equations of electroacoustic transducers are presented. Ways of coupling them to the sound field are discussed, thereby realizing different directional characteristics.
Cupping
发表于 2025-3-22 12:08:54
Kontinuumsbegriff und Kinematik, and mechanical tuning. MEMS realizations are mentioned. Included are further some remarks on coupler principles that do not fit under the label electric- or magnetic-field based, for example, thermophones and hot-wire velocity receivers, ionophones and cathodophones, laser interferometers and optical microphones.
消瘦
发表于 2025-3-22 16:37:15
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提名的名单
发表于 2025-3-22 19:08:17
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允许
发表于 2025-3-23 00:58:21
Die Untergliederung der Hauptabteilungen, basis for discussing diffuse sound fields and specifying characteristic parameters like the reverberation time. Diffuse sound fields are applicable for measuring purposes, for example, to determine the random-incident degree of absorption of materials or the sound power radiated by equipment.
使隔离
发表于 2025-3-23 05:05:46
Textbook 2021Latest editionproblems. The new chapter offers the opportunity to explore the underlying theoretical background in more detail. However, the study of the problems and their proposed solutions is no prerequisite for comprehending the material presented in the book‘s lecture part..
不断的变动
发表于 2025-3-23 08:25:24
,Grundzüge turbulenter Strömungen,arrays of monopoles (0th-order spherical sources) are discussed in detail. It is shown that the directional characteristics of such arrays can be computed by . transform of the spatial distribution of monopoles and their strengths.