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钢轨噪声产生的机理及评价指标研究
Author(s) -
怀德 谢
Publication year - 2020
Publication title -
建筑工程与管理
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2661-4413
pISSN - 2661-4405
DOI - 10.33142/aem.v2i1.1426
Subject(s) - political science
针对钢轨噪声声源抑制问题通过对钢轨垂向和横向振动沿钢轨纵向的衰减分析线声源声功率密度求解以及线声源外一点声压级的求解阐述了钢轨噪声产生的机理给出了钢轨振动衰减率与噪声之间的对应关系并通过实验进行了验证结果表明钢轨振动衰减率是决定轨旁噪声频带分布及其大小的主要决定因素是钢轨噪声控制设计研究的重要参数和指标。

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