大学物理 ›› 2013, Vol. 32 ›› Issue (4): 8-8.
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何勤 王正岭
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摘要: 讨论了气垫导轨上非对称双弹簧振子系统的振动问题,导出了双弹簧振子的频率方程,求出了系统基本圆频率近似解的表达式,给出了计算系统基本圆频率、高阶圆频率的数值精确解的方法.
关键词: 基本圆频率, 高阶圆频率, 牛顿迭代法
Abstract: Several types of infinite integrals involving essential singularities of the integrand in the interval of integration are studied. The integrands are products of a general rational function, a trigonometric function of x and one of 1/x. General formulae are derived by using the approach of contour integration and the results are expressed in terms of residues. Several examples are given.
Key words: infinite integrals, essential singularities, contour integration, residue theorem
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何勤 王正岭. 气垫导轨上非对称双弹簧振子的圆频率[J]. 大学物理, 2013, 32(4): 8-8.
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