| Hilbert Transferin Applied to Separation of Waves |
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| 作者姓名： | 孙鹤泉 王永学 彭静萍 |
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| 作者单位： | State Key Laboratory of Coastal and Offshore Engineering，Dalian University of Technology，State Key Laboratory of Coastal and Offshore Engineering，Dalian University of Technology，State Key Laboratory of Coastal and Offshore Engineering，Dalian University of Technology Dalian 116024，China，Dalian 116024，China，Dalian 116024，China |
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| 摘 要： | The analytical method (AM) for separation of composite waves is presented based on the Hilbert transform. It is ap-plicable to both regular and irregular trains of waves. The wave data series measured with two wave gauges in the experi-ments are separated into two series of incident and reflected waves. Then, the reflection coefficient can be easily ob-tained. The arrival of reflected waves can also be detected for improveraent of the accuracy of the reflection coefficient. The reflection performance of the physical model can be estimated exactly without calculation of wave height and phase difference. Numerical samples developed to test the method are proved to be accurate. Physical experiments are conduct-ed and compared with Goda s method and satisfactory results are obtained.
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Hilbert Transferin Applied to Separation of Waves |
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| SUN Hequan,WANG Yongxue and PENG Jingping
State Key Laboratory of Coastal and Offshore Engineering,Dallan University of Technology,Dallan ,China.Hilbert Transferin Applied to Separation of Waves[J].China Ocean Engineering,2002(2). |
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| Authors: | SUN Hequan WANG Yongxue and PENG Jingping
State Key Laboratory of Coastal and Offshore Engineering Dallan University of Technology Dallan China |
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| Institution: | SUN Hequan,WANG Yongxue and PENG Jingping
State Key Laboratory of Coastal and Offshore Engineering,Dallan University of Technology,Dallan 116024,China |
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| Abstract: | The analytical method (AM) for separation of composite waves is presented based on the Hilbert transform. It is ap-plicable to both regular and irregular trains of waves. The wave data series measured with two wave gauges in the experi-ments are separated into two series of incident and reflected waves. Then, the reflection coefficient can be easily ob-tained. The arrival of reflected waves can also be detected for improveraent of the accuracy of the reflection coefficient. The reflection performance of the physical model can be estimated exactly without calculation of wave height and phase difference. Numerical samples developed to test the method are proved to be accurate. Physical experiments are conduct-ed and compared with Goda s method and satisfactory results are obtained. |
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| Keywords: | reflection coefficient Hilbert transform fast Fourier transform separation of waves |
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