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水滴声台阶声景观软件模拟实验*

本站小编 Free考研考试/2022-01-02

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侯万钧,张振伟,马蕙.水滴声台阶声景观软件模拟实验*[J].,2018,37(2):208-214
水滴声台阶声景观软件模拟实验*
Computer simulation experiment of step water drop soundscape
投稿时间:2017-10-13修订日期:2018-02-24
中文摘要:
国内外发现了一种能够将脚步声或拍手声转变成类似水滴声的水滴声台阶。为科学保护和实现主动设计这种水滴声台阶声景观,本文基于LMS Virtual Lab声学仿真软件对天子冢和天元山水滴声台阶声场特征进行模拟,讨论了模拟的精确性和水滴声台阶形成的复杂性。结果表明当忽略台阶物理属性影响时可以模拟出台阶几何形式对声音频谱有一定的筛选作用,模拟出的台阶上的声场特征与实地测试结果基本一致,但是无法准确模拟台阶上“水滴声”频谱的主导频率大小。最后提出水滴声台阶保护和设计建议。
英文摘要:
Several strange step water drop soundscape had been found in china and abroad. They transform footsteps or clapping hands into sounds like water droplets. For the protection and reproduction of these interesting step drop soundscape, the acoustic characteristics of two steps of Emperor Tomb and the Tianyuan mountain are simulated by using LMS Virtual Lab simulation software. The accuracy of the simulation are discussed, as well as the complexity of the formation of water drop phenomenon. This paper result that, if ignored the material physical properties of the step, the geometric shape of the step can be simulated to show the similar sound spectrum. The sound characteristics of the simulated step are basically the same as the field test results, but it can not accurately simulate the dominant frequency of the water drop’s spectrum on the step. Finally, the protection and reproduction suggestions of water drop sound steps are put forward.
DOI:10.11684/j.issn.1000-310X.2018.02.004
中文关键词:水滴声台阶,声景观,频谱
英文关键词:water drop sound steps, soundscape,spectrum
基金项目:河北省社科联课题项目 (201301125)
作者单位E-mail
侯万钧河北工程大学建筑与艺术学院houwanjun@tsinghua.org.cn
张振伟河北工程大学建筑与艺术学院1099434639@qq.com
马蕙天津大学建筑学院mahui@tju.edu.cn
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