摘要
把现代信号处理技术的谱分析应用到天文望远镜的故障分析上,对大天区面积多目标光纤光谱望镜摩 擦驱动实验装置的振动故障进行了诊断实验研究,基于频谱分析了摩擦驱动实验装置的振动信号。实验结果分析表明, 频谱分析能很好地提取振动信号的频率特征,判断出振动源,是天文望远镜故障源识别的有效工具,对天文望远镜振动 故障诊断有很好的应用价值和前景。
Frequency analysis method in modern signal processing is applied to investigate fault mechanism for astronomical telescope. Vibration faults of the pilot friction driving system of the Larye Sky Area Mulit-Object fiber Spectroscopic Telescope are investigated and diagnosed with frequency analysis. The results of the experiment and analysis indicate that frequency features of the system can be figured easily and fault sources are distinguished successfully. Also, it is confirmed that frequency analysis is practical and effective for analyzing and diagnosing faults in astronomical telescopes.
出处
《振动与冲击》
EI
CSCD
北大核心
2005年第1期41-44,共4页
Journal of Vibration and Shock
基金
国家"九五"重大科学工程项目
