By an American scientist,Charles H. Dowding's experiment,the paper explains the reason why the speed of vibration in after burst part is faster than in driver unit,presenta the effect of surrounding on blasting vibration,work out that the magnification coefficient of blasting vibration is 1.05~1.99,applies dimensional analysis and regression analysis to calculate the formula of blasting frequency and the formula of blasting vibration speed ,and by power spectrum denseness analysis, further explains the relation between millseconfd time and frequency.
通过美国科学家 Charles H.Dowding实验,说明为什么余震段震动速度比主震段震动速度还大,阐述周围环境对爆破震动的影响,并计算爆破震动放大系数为1.05～1.99:应用量纲分析法和回归分析法求解主震频率公式和爆破震动速度公式。 通过功率谱密度分析进一步说明延时时间和频率的关系。
参考来源 - 小龙潭露天矿爆破技术与爆破震动研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The resonant frequency equation and the amplitude magnification coefficient, with resistance load, are calculated;
得到了阻性负载时，变幅杆频率方程与放大系数的计算式；
Based on mechanic equivalent circuit of the longitudinal ultrasonic horn, the resonance frequency and the amplitude magnification coefficient of three kinds of loaded horns are studied.
在纵振型变幅杆等效电路的基础上，研究了三类负载超声变幅杆的共振频率与放大系数。
Based on equivalent four-terminal networks of the longitudinal ultrasonic transformer, the resonant frequency equation and the amplitude magnification coefficient, with reactive load, are studied.
在负载为纯力抗的状况下，利用纵振型变幅杆等效四端网络，对频率方程和放大系数进行了研究。
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