| 应用复杂陷波器精确消除经纬仪机械谐振方法的研究 |
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| 引用本文： | 蔡立华,高慧斌,张淑梅,张玉良.应用复杂陷波器精确消除经纬仪机械谐振方法的研究[J].测控技术,2009,28(2). |
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| 作者姓名： | 蔡立华 高慧斌 张淑梅 张玉良 |
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| 作者单位： | 1. 中国科学院,长春光学精密机械与物理研究所,吉林,长春,130031;中国科学院,研究生院,北京,100039
2. 中国科学院,长春光学精密机械与物理研究所,吉林,长春,130031 |
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| 摘 要： | 为了精确消除机械谐振频率对经纬仪系统性能的影响,应用了复杂型的数字陷波器,利用其幅频特性与实际系统幅频特性相对比的方法,精确消除了机械谐振.实验表明:该方法可以做到在对经纬仪低频段特性影响较小的情况下,精确消除机械谐振,提高经纬仪的闭环带宽及其稳定性.
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| 关 键 词： | 机械谐振 陷波器 闭环带宽 |
Research on Method of Eliminating Accurately Mechanical Resonance Frequency of the Theodolite by Complex Falling Filter |
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| CAI Li-hua,GAO Hui-bin,ZHANG Shu-mei,ZHANG Yu-liang.Research on Method of Eliminating Accurately Mechanical Resonance Frequency of the Theodolite by Complex Falling Filter[J].Measurement & Control Technology,2009,28(2). |
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| Authors: | CAI Li-hua GAO Hui-bin ZHANG Shu-mei ZHANG Yu-liang |
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| Affiliation: | 1.Changchun Institute of Optics;Fine Mechanics and Physics;the Chinese Academy of Sciences;Changchun 130033;China;2.Graduate School of Chinese Academy of Sciences;Beijing 100039;China |
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| Abstract: | To eliminating accurately influence of mechanical resonance frequency on theodolite performance.A complex falling filter is applied and mechanical resonance frequency by comparing magnitude-frequency characteristic of system and falling filter is eliminated accurately.Experiments show that the method can eliminate accurately mechanical resonance frequency and improve bandwidth and stability of the theodolite. |
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| Keywords: | mechanical resonance falling filter closed-loop bandwidth |
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