| 缓冲系统振动特性的扫频测试 |
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| 引用本文： | 山静民,陈满儒,谭志明. 缓冲系统振动特性的扫频测试[J]. 包装工程, 2002, 23(4): 113-116 |
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| 作者姓名： | 山静民 陈满儒 谭志明 |
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| 作者单位： | 西北轻工业学院,陕西,咸阳,712081 |
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| 摘 要： | 为了获取缓冲系统的振动传递特性,在此引入瞬时功率谱密度的概念,采用扫频振动激励的方法,结合VC＋＋和MATLAB编程,对数据进行处理,在三维空间描述了激励信号和响应信号的瞬时功率谱和频率、时间的关系,进面较为精确地得到了缓冲系统的振动传递率曲线。
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| 关 键 词： | 缓冲系统 振动特性 扫频测试 扫频振动 振动传递率 瞬时功率谱 非平衡随机过程 数字滤波器 缓冲包装 |
| 文章编号： | 1001-3563(2002)04-0113-04 |
| 修稿时间： | 2002-06-26 |
Scanning Surveying of the Vibration Characteristics of Buffered Systems |
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| SHAN Jing min,CHEN Man ru,TAN Zhi ming. Scanning Surveying of the Vibration Characteristics of Buffered Systems[J]. Packaging Engineering, 2002, 23(4): 113-116 |
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| Authors: | SHAN Jing min CHEN Man ru TAN Zhi ming |
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| Abstract: | In order to determine the characteristics of vibration and its spreading throughout buffered systems, this article introduces a concept of "instantaneous power spectrum density". The work involves the scanning analysis of the vibrational intensity. The data are further analyzed using programming methods in Visual C++ and MATLAB. These methods have resulted in not only the understanding of the vibrational intensity and the response signals described as instantaneous intensity spectra and their relationships with time and frequency. Furthermore, the study results in an accurate determination of the curves to describe the rate of vibration transfer. |
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| Keywords: | Vibration scanning Rate of vibration transfer Instantaneous power spectrum Spontaneous perturbation Digital wave filtration instrument MATLAB |
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