Under the principle and structural characteristics, a new type of excitation circuit is designed, which has simple structure, and also could solve switch on and off oscillation problems bothly.

本文根据快速斥力机构特有的工作原理和结构特点设计了一种新型励磁电路，结构简单，而且能够同时解决合闸弹跳和分闸弹振问题。

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We obtain the relation between the frequency of the oscillation and the instric excitation of the system.

我们得到了系统振荡的频率与内禀元激发的关系。

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The flow induced oscillation in a cavity exposed to external high speed flow and its suppression by means of sound excitation at the leading edge of the cavity are experimentally studied.

实验研究了矩形空腔在外部高速气流作用下诱导的空腔内流动振荡问题，以及从空腔前缘加入纯音声激励以抑制空腔内流动振荡的技术。

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