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基于虚拟仪器技术结构固有特性的实验测量

Keywords: 扫频激振,功率谱分析,固有频率,振型,阻尼比

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Abstract:

以机械振动和模态分析理论为基础,并以LabVIEW为开发平台,研发了一套测试系统,可通过扫频方式快速准确地测量多自由度系统的各阶固有频率和振型动态特性.实验证明,本系统可获得准确可靠的数据,具有较高的实用价值.

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