An abnormal mode of torsion pendulum and its suppression

被引：21

作者：

Tu, Y ^{[1
]}

Zhao, L ^{[1
]}

Liu, Q ^{[1
]}

Ye, HL ^{[1
]}

Luo, J ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China

来源：

PHYSICS LETTERS A | 2004年 / 331卷 / 06期

基金：

中国国家自然科学基金;

关键词：

torsion pendulum; abnormal mode; numerical computation;

D O I：

10.1016/j.physleta.2004.09.007

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The numerical solution of non-linear equations shows that the abnormal mode observed in our torsion pendulum experiments is an intrinsic mode of the pendulum. Further analysis shows that the amplitude of abnormal mode increasing with of swing modes can be suppressed with a magnetic damper effectively. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：354 / 360

页数：7

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