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A new method for separation of 2D incident and reflected waves by the Morlet wavelet transform

✍ Scribed by Yuxiang Ma; Guohai Dong; Xiaozhou Ma; Gang Wang

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 670 KB
Volume: 57
Category: Article
ISSN: 0378-3839
DOI: 10.1016/j.coastaleng.2010.01.002

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✦ Synopsis

A new method based on the Morlet wavelet transform for separating a 2D wave field into incident and reflected waves is proposed in this paper. The principle of this method, first, is derived for constant depths. Then, using the linear shoaling theory, the method is extended to an arbitrary sloping bathymetry. Owing to the time-frequency characteristic of wavelet transform, the present method can separate waves in the real time domain and is not confined by the stationary assumption of waves. The efficiency and accuracy of this method are demonstrated using numerical simulated data.

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