| 大桥几何监测数据去噪方法研究 |
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| 引用本文： | 吴杰,郭冰,张丽,秦育罗,孙小荣.大桥几何监测数据去噪方法研究[J].大地测量与地球动力学,2016,36(12):1088-1091. |
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| 作者姓名： | 吴杰 郭冰 张丽 秦育罗 孙小荣 |
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| 摘 要： | 提出并优化了EMD小波组合去噪法对大桥监测结果进行去噪的过程，并与EMD去噪法、小波阈值去噪法进行比较。结果表明，优化的EMD小波去噪法是一种高效的大桥动态监测信号去噪方法，去噪效果最好。
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| 关 键 词： | 大跨度桥梁 几何位移监测 EMD小波 去噪方法 |
A Study of De-noising Methods for Geometric Deformation Monitoring to Large-Span Bridge |
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| WU Jie,GUO Bing,ZHANG Li,QIN Yuluo,SUN Xiaorong.A Study of De-noising Methods for Geometric Deformation Monitoring to Large-Span Bridge[J].Journal of Geodesy and Geodynamics,2016,36(12):1088-1091. |
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| Authors: | WU Jie GUO Bing ZHANG Li QIN Yuluo SUN Xiaorong |
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| Abstract: | GPS is the main means for dynamic deformation monitoring of large-span bridges. The signal of GPS contains all kinds of ‘noises’ and the true signal can be extracted after removing the noise. The EMD and wavelet de-noising method is proposed and optimized, and the EMD de-noising and the wavelet threshold de-noising methods are compared. The results show that the optimized EMD and wavelet de-noising method is effective in dynamic deformation monitoring of large-span bridges, and the de-noising effect is best. |
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| Keywords: | long-span bridges geometric deformation monitoring EMD and wavelet de-noising method |
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