... subjected to wavelet transforms. To investigate whether embedding the pipe in the soil makes it more difficult to detect the pipe wall defects, the same set of defective and defect-free pipes were studied before and after burying them in the soil. In both cases the defective pipes could be easily identified...

...Akira Sone; Hiroaki Hata; Arata Masuda In this paper, the characteristic parameters of structures are estimated by a newly developed identification method based on the wavelet transform of acceleration measurements. In the proposed method, by using the localized nature and the moment condition...