大学物理 ›› 2011, Vol. 30 ›› Issue (5): 32-32.
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黄兆梁
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摘要： 分析了典型振动信号频谱的分布特点,指出了具有弹簧质量的振子系统的振动频谱符合准周期信号的频谱分布特点,说明该振子系统不具有严格意义上的周期,只有近似意义上的准周期,明确了该振子系统的准周期性的概念.
关键词: 弹簧振子, 弹簧质量, 简谐振动, 准周期性
Abstract: This paper analyzes the frequency spectrum of typical vibration signal distribution and points out that the frequency spectrum of mass-spring oscillator vibration is consistent with the spectrum characteristics of quasi-periodic signal.So it no longer has the strict sense of the vibration cycle,only exists the approximate sense of quasi-periodic,and then the quasi-periodic concept of mass-spring oscillator is clarified.
Key words: spring oscillator, spring mass, simple harmonic oscillation, quasi-periodicity
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黄兆梁. 对有质量弹簧的振子系统振动周期的探讨[J]. 大学物理, 2011, 30(5): 32-32.
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https://dxwl.bnu.edu.cn/CN/Y2011/V30/I5/32
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