王涛,田林亚,孔令杰,张洋

• 1:河海大学地球科学与工程学院
• 2:兰州理工大学土木工程学院
• 3:苏州地质工程勘察院

摘要(Abstract)：

针对高层建筑物GPS动态监测数据特点,该文将小波分析技术应用于高层建筑物动态特性提取,研究了数据处理时4种阈值选取准则的好坏,针对观测数据不同阶段振幅和频率不同,提出分段、分层处理数据的思想,为了获得更全面的观测信号,将小波包分析应用于数据处理。结果表明:自适应阈值准则更适用于高层建筑物动态数据处理,采用分段分层的处理方法,既能满足去噪要求又能提取丰富的变形信息,小波包分析能有效提取高层建筑物动态特性,保留更多的动态信息。

关键词(KeyWords)： 动态特性;GPS;小波分析;小波阈值去噪;小波包分析;分段

Abstract:

Keywords:

基金项目(Foundation): 江苏省地质矿产勘查局科研项目(2016-KY-03);; 江苏省研究生科研与实践创新计划项目(KYCX17_0506)

作者(Author): 王涛,田林亚,孔令杰,张洋

DOI: 10.16251/j.cnki.1009-2307.2018.04.016

参考文献(References)：

• [1]罗志才,陈永奇,刘焱雄.GPS用于监测高层建筑物动态特征的模拟研究[J].武汉测绘科技大学学报,2000,25(2):100-104.(LUO Zhicai,CHEN Yongqi,LIU Yanxiong.Application of GPS in the simulation study of dynamic characteristics of tall buildings[J].Journal of Wuhan Technical University of Surveying and Mapping,2000,25(2):100-104.)
• [2]姚丽慧,高井祥,王坚.动态变形信号小波阈值降噪模型研究[J].测绘工程,2011,20(5):18-21.(YAO Lihui,GAO Jingxiang,WANG Jian.New wavelet threshold noise reduction model of dynamic deformation signal[J].Engineering of surveying and mapping,2011,20(5):18-21.)
• [3]任超,焦元元,孙昌瑜,等.改进的软阈值法去噪效果分析[J].测绘科学,2013,38(1):10-12.(REN Chao,JIAO Yuanyaun,SUN Changyu,et al.Denoising analysis of improved soft threshold method[J].Science of Surveying and Mapping,2013,38(1):10-12.)
• [4]王中元,周天强,张鹏飞.高层建筑物GPS动态变形监测数据处理[J].测绘科学,2012,37(1):47-50,37.(WANG Zhongyuan,ZHOU Tianqiang,ZHANG Pengfei.GPS dynamic deformation monitoring on highrise buildings[J].Science of Surveying and Mapping,2012,37(1):47-50,37)
• [5]黄丁发,丁晓利,陈永奇,等.GPS多路径效应影响与结构振动的小波滤波筛分研究[J].测绘学报,2001,30(1):36-41.(HUANG Dingfa,DING Xiaoli,CHEN Yongqi,et al.Wavelet filters based separation of GPS multi-path effects and engineering structure vibrations[J].Acta Geodaetica et Cartographica Sinica,2001,30(1):36-41.)
• [6]姚刚,刘星,郑求兴,等.高层建筑环境激励动态特性的GPS监测研究[J].重庆建筑大学学报,2005,27(5):45-49.(YAO Gang,LIU Xing,ZHENG Qiuxing,et al.The research of dynamic characteristic with GPS under ambient excitation for high-rise building[J].Journal of Chongqing Jianzhu University,2005,27(5):45-49.)
• [7]党星海,赵丽洁,孔令杰,等.小波分析在GPS振动监测数据中的应用[J].大地测量与地球动力学,2013,33(2):147-150.(DANG Xinghai,ZHAO Lijie,KONG Lingjie,et al.Application of wavelet analysis in GPS dynamic deformation date processing[J].Journal of Geodesy and Geodynamics,2013,33(2):147-150.)
• [8]田磊.基于小波函数对GNSS监测数据降噪的应用研究[J].全球定位系统,2015,40(4):88-90.(TIAN Lei.Application of wavelet function for GNSS-based noise monitoring date[J].GNSS World of China,2015,40(4):88-90.)
• [9]吴继忠.GPS观测数据的小波阈值法消噪[J].大地测量与地球动力学,2009,29(4):79-82,87.(WU Jizhong.De-noising of GPS observations with wavelet threshold method[J].Journal of Geodesy and Geodynamics,2009,29(4):79-82,87.)
• [10]于波,翟国君,刘雁春,等.基于小波阈值的海洋磁力测量数据消噪方法[J].测绘科学,2009,34(5):89-91.(YU Bo,ZHAI Guojun,LIU Yanchun,et al.Date denoising based on wavelet threshold in marine magnetic survey[J].Science of Surveying and Mapping,2009,34(5):89-91.)
• [11]任超,沙磊,卢献健.一种改进小波阀值算法的变形监测数据滤波方法[J].武汉大学学报(信息科学版),2012,37(7):873-875.(REN Chao,SHA Lei,LU Xianjian.An adaptive wavelet thresholding de-noising for deformation analysis[J].Geomatics and Information Science of Wuhan University,2012,37(7):873-875.)
• [12]唐进元,陈维涛,陈思雨,等.一种新的小波阈值函数及其在振动信号去噪分析中的应用[J].振动与冲击,2009,28(7):118-121,217.(TANG Jinyuan,CHEN Weitao,CHEN Siyu,et al.Wavelet-based vibration signal denoising with a new adaptive thresholding function[J].Journal of Vibration and Shock,2009,28(7):118-121,217.)
• [13]王旭,刘文生,王昶.一种改进小波阈值去噪方法的研究[J].测绘科学,2011,36(5):179-180,242.(WANG Xu,LIU Wensheng,WANG Chang.An improved wavelet threshold de-noising method[J].Science of Surveying and Mapping,2011,36(5):179-180,242.)
• [14]章浙涛,朱建军,匡翠林,等.小波包多阈值去噪法及其在形变分析中的应用[J].测绘学报,2014,43(1):13-20.(ZHANG Zhetao,ZHU Jianjun,KUANG Cuilin,et al.Multi-threshold wavelet packet de-noising method and its application in deformation analysis[J].Acta Geodaetica et Cartographica Sinica,2014,43(1):13-20.)
• [15]刘文艺,汤宝平,蒋永华.一种自适应小波消噪方法[J].振动,测试与诊断,2011,31(1):74-77,130.(LIU Wenyi,TANG Baoping,JIANG Yonghua.Research on an adaptive wavelet denoising method[J].Journal of Vibration,Measurement&Diagnosis,2011,31(1):74-77,130.)