【摘要】 引入小波分析方法对大坝变形监测数据的处理,实现了对离散型的变形数据的尺度分解,对变形趋势的分析。并且对变形数据在滤波、消噪等方面,对分解层次中的偶然误差特性分析,以及阀值的选取方法进行了比较,表明利用小波变换的方法对变形数据的分析处理是有效、可行的。更多还原

【Abstract】 This paper introduces the wavelet analysis method of dam deformation monitoring data to achieve the scale decomposition of the discrete deformation data,and trend analysis of deformation.For filtering,denoising of deformation data,the characteristics analysis of decomposition level of accidental errors,and threshold selection methods were compared,indicating that the method based on wavelet transform analysis of the deformation data is an effective and feasible.更多还原