大学物理 ›› 2009, Vol. 28 ›› Issue (3): 13-13.
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丁光涛
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摘要: 利用一种直接方法将阻尼谐振动微分方程变换成等价的自伴随形式,并构造出阻尼振子的两个拉格朗日函数和哈密顿函数,导出了阻尼谐振子的Noether守恒量.
关键词: 阻尼谐振子, 拉格朗日力学逆问题, 拉格朗日函数, 哈密顿函数, Noether守恒量
Abstract: The differential equation of damped harmonic oscillator (DHO) is transformed into an equivalent self-adjoint form by using a direct method. Two Lagrangians and Hamihonians of DHO are constructed and the Noether conserved quantities for the DHO are obtained.
Key words: damped harmonic oscillator, inverse problem of Lagrange mechanics, Lagrangian function, Hamihonian function, Noether conserved quantity
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丁光涛. 阻尼谐振子的拉格朗日函数和哈密顿函数[J]. 大学物理, 2009, 28(3): 13-13.
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