| 基于傅里叶变换的斜拉索振动频率识别研究 |
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| 引用本文： | 韩锋,申彦鹏.基于傅里叶变换的斜拉索振动频率识别研究[J].西部交通科技,2010(7):40-43. |
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| 作者姓名： | 韩锋 申彦鹏 |
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| 作者单位： | 1. 重庆交通大学土木建筑学院,重庆,400074
2. 山西交通科学研究院,山西,太原,030006 |
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| 摘 要： | 文章基于乌江二桥拉索振动频率监测实践，应用傅里叶变换的方法对斜拉索振动传感器实时采集到的监测信号进行分析。为保证实测拉索基频索力值的准确性，采用峰值一功率谱频差法和峰值一倒频谱分析法分别识别拉索的基频，并将二者识别的结果进行了比较。
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| 关 键 词： | 傅里叶变换 索力 频率 |
Vibration Frequency Identification Study of Bridge Cable Based on Fourier Transform |
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| HAN Feng,SHEN Yan-peng.Vibration Frequency Identification Study of Bridge Cable Based on Fourier Transform[J].Western China Communication Science & Technology,2010(7):40-43. |
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| Authors: | HAN Feng SHEN Yan-peng |
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| Institution: | 1. Department of Civil Engineering, Chongqing University, Chongqing, 400074; 2. Sllanxi Institute of Communicational Science, Taiyuan, Shanxi, 030006) |
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| Abstract: | Based on the vibration frequency testing taken place at Wujiang River No. 2 Bridge,the article analyzes the information collected from cable vibration sensor that used fourier transform.To ensure the accuracy, the article use peak value- power spectrum differ- ence method and peak valuespectrum analysis method to identify basic frequency and compared their results. |
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| Keywords: | Fourier transform Cable force Frequency |
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