| Ding Pingxing,Kong Yazhen,Sun Fu. 1996. Bispectrum and asymmetry of wave shape. Acta Oceanologica Sinica, (3):297－305 |
| Bispectrum and asymmetry of wave shape |
| Bispectrum and asymmetry of wave shape |
| Received:October 23, 1995 Revised:May 17, 1996 |
| DOI： |
| Key words:Bispecrum wave shape asymmetry nonlinear |
| 中文关键词: Bispecrum wave shape asymmetry nonlinear |
| 基金项目:This project was supported by the Excellent Talent Foundation across the Century of State Educational Commission. |
| Author Name | Affiliation | | Ding Pingxing | State Key Laboratory Of Estuarine and Coastal Research, Institute of EStuarine and Coastal Research, East China Normal University, Shanghai 200062, China | | Kong Yazhen | State Key Laboratory Of Estuarine and Coastal Research, Institute of EStuarine and Coastal Research, East China Normal University, Shanghai 200062, China | | Sun Fu | Laboratory of Physical Oceanography, Ocean University of Qingdao, Qingdao 266003, China |
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| Abstract: |
| Based on the definition and concept introduced in this paper,the theoretical expression of surface slope bispectrum for two-dimensional random waves is derived.Furthermore,the skewness of surface elevation distribution and that of surface she distribution are respectively employed to define the up-down and front-back asymmetry of a waves hape so that the relations between bispectrum and skewness are proposed.Through these relations,the updown end front-back asymmetry of the wave shape can be quantitatively determined by means of the bispectral analyses of observed wave data. |
| 中文摘要: |
| Based on the definition and concept introduced in this paper,the theoretical expression of surface slope bispectrum for two-dimensional random waves is derived.Furthermore,the skewness of surface elevation distribution and that of surface she distribution are respectively employed to define the up-down and front-back asymmetry of a waves hape so that the relations between bispectrum and skewness are proposed.Through these relations,the updown end front-back asymmetry of the wave shape can be quantitatively determined by means of the bispectral analyses of observed wave data. |
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