摘要
经验模式分解方法具有根据信号本身特征进行自适应滤波消噪的功能,基于这一特点将其应用于高层建筑物变形监测数据处理。通过对实际变形监测数据进行分析,表明应用该方法可以取得良好的消噪效果,并可从受强噪声干扰的数据序列中提取出微弱的变形特征信息。
Empirical Mode Decomposition(EMD) method has an advantage of doing adaptive filtering noise cancellation according to characteristics of the signal itself.In the paper,the point EMD method is applied to deformation monitoring data processing for high-rise building.By analyzing practical deformation monitoring data,it is shown that excellent denosing results can be obtained by using EMD method.Besides,this method can efficiently extract weak deformation characteristics information from data series having strong noises.
出处
《江南大学学报(自然科学版)》
CAS
2010年第5期555-558,共4页
Joural of Jiangnan University (Natural Science Edition)
基金
福建省自然科学基金项目(2009J05102)
福建省教育厅A类科技项目(JA09193)
关键词
经验模式分解
消噪
高层建筑物
变形监测
empirical mode decomposition
denoising
high-rise building
deformation monitoring