| 弹性安装条件下机器结构声功率流的现场测量 |
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| 引用本文： | 朱蓓丽,罗晓辉.弹性安装条件下机器结构声功率流的现场测量[J].噪声与振动控制,2000(6):44-46. |
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| 作者姓名： | 朱蓓丽 罗晓辉 |
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| 作者单位： | 上海交通大学,振动、冲击、噪声国家重点实验室,上海,200030 |
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| 摘 要： | 本文利用互功率谱的方法对安装在混凝土地板上的小型排气扇工作时产生的结构声功率流进行了现场测量。对不同劲度系数的隔振支架对结构声功率流的影响进行了比较。
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| 关 键 词： | 互功率谱 结构声功率流 机器 弹性安装 现场测量 |
Measurement of structre-borne power flow by using cross spectrum method |
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| QIU,Gui-ming,QIU,Shu-ye.Measurement of structre-borne power flow by using cross spectrum method[J].Noise and Vibration Control,2000(6):44-46. |
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| Authors: | QIU Gui-ming QIU Shu-ye |
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| Abstract: | A measurement is made for the structure-borne power flow of a ventilation fan mounted on a concrete floor by using the cross spectrum method.The measured power flows are compared for the different anti-vibration mounts with different stiffnesses. |
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| Keywords: | Cross spectrum Structure-borne power flow StiffnesT |
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