• This article research content and research results mainly includes following parts: Phononic crystals new sound insulating material standing wave tube test modelling.

    本文主要研究内容及成果如下:声子晶体新型隔声材料驻波管测试建模。

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  • The circuit substrate (100) is provided with an aperture region. As the speaker (2) is disposed on that region, a test sound wave is output to the moving section of the microstructure.

    而且,在电路基板(100)中设置开口区域,在其上装载扬声器(2),由此对微小结构体的可动部输出测试声波。

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  • The empirical regression equations and high significance fitting curves of sound wave velocity and deformation modulus for test rock mass are got by regression analysis method.

    通过回归分析,获得坝区试验点岩体的声波波速与变形模量的回归经验方程和高度显著的回归拟合曲线。

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  • The empirical regression equations and high significance fitting curves of sound wave velocity and deformation modulus for test rock mass are got by regression analysis method.

    通过回归分析,获得坝区试验点岩体的声波波速与变形模量的回归经验方程和高度显著的回归拟合曲线。

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