【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-功率谱频差法和峰值-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。更多还原

【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 difference method and peak value- spectrum analysis method to identify basic frequency and compared their results.更多还原