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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/24374

Title: Application of Cesàro mean and the L-curve for the deconvolution problem
Authors: 陳立言;陳正宗;洪宏基;陳正興
L.Y. Chen;J.T. Chen;H.-K. Hong;C.H. Chen
Contributors: NTOU:Department of Harbor and River Engineering
Keywords: Cesàro mean;L curve;deconvolution
Date: 1995
Issue Date: 2011-10-20T08:11:53Z
Publisher: Soil Dynamics and Earthquake Engineering
Abstract: Abstract:In this paper, the Cesaro mean technique is applied to regularize the divergent problem which occurs in ground motion deconvolution analysis in geotechnical engineering. To deal with this ill-posed problem, we use the corner of the L-curve as the compromise point to determine the optimal order of Cesaro mean so that the high frequency content can be suppressed instead of engineering judgement using the concept of a cutoff frequency. The fractional order of Cesaro mean has been derived and used to fulfill this purpose. From the examples shown, it is found that the wave form including maximum acceleration can be accurately predicted and that both the high frequency content and divergent results can be avoided by using the proposed regularization technique.
Relation: 14(5), pp.361-373
URI: http://ntour.ntou.edu.tw/handle/987654321/24374
Appears in Collections:[河海工程學系] 期刊論文

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