HIGH DYNAMIC-RANGE MEASUREMENTS OF AN ALL METAL ISOLATOR USING A SAPPHIRE TRANSDUCER

被引：13
|
作者：
JU, L
BLAIR, DG
PENG, H
VANKANN, F
机构：
[1] Dept. of Phys., Western Australia Univ., Nedlands, WA
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 1992年 / 3卷 / 05期
关键词：
D O I：
10.1088/0957-0233/3/5/005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the performance and mechanical properties of an all metal mass-spring isolator with corner frequency about 44 Hz. Noise floor measurements using a prototype sapphire transducer and results of active damping of the low-frequency normal modes are given. Our measurements cover a total dynamic range of 160 dB, and show that no excess noise is generated above the thermal noise limit, even in the presence of high-amplitude excitation.
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页码：463 / 470
页数：8
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