Resonant frequency and damping of a coupled resonant system measured by apparent dissipation factor frequency spectra

被引：2

作者：

Zuo, Wenlong ^{[1
]}

Li, Longfei ^{[1
]}

Yang, Yuebin ^{[2
]}

Chen, Lan ^{[1
]}

Zhang, Jinxiu ^{[1
]}

Xiong, Xiaomin ^{[1
,3
]}

机构：

[1] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China

[2] Sun Yat Sen Univ, Sch Informat Sci & Technol, Guangzhou 510006, Guangdong, Peoples R China

[3] Sun Yat Sen Univ, Sch Phys & Engn, Guangdong Prov Key Lab Photovolta Technol, Guangzhou 510006, Guangdong, Peoples R China

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2013年 / 84卷 / 08期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.4817210

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This paper proposes a novel scheme to study the resonance of a vibration mode of a complex system by investigating the apparent dissipation factor frequency spectrum (ADFFS) of another coupled vibration mode. We demonstrate that the resonant absorption peak in ADFFS of one vibration mode is proportional to the displacement amplitude square of another coupled vibration mode from both energy dissipation and dynamics. Two coupled micro-cantilevers are experimentally shown that the ADFFS of one micro-cantilever could be applied to obtain the resonant frequency and the damping of the other coupled micro-cantilever. (C) 2013 AIP Publishing LLC.

引用

页数：5

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