| Bispectrum and asymmetry of wave shape |
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| 作者姓名： | Ding Pingxing Kong Yazhen Sun Fu |
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| 作者单位： | Ding Pingxing; Kong Yazhen; and Sun Fu (State Key Laboratory Of Estuarine and ￣al R￣h，Institute of EStuarine and ￣al R￣h，East China NOrmalUniversity. Shanghai 2(XX |
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| 基金项目： | This project was supported by the Excellent Talent Foundation across the Century of State Educational Commission. |
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| 摘 要： | Ｂｉｓｐｅｃｔｒｕｍａｎｄａｓｙｍｍｅｔｒｙｏｆｗａｖｅｓｈａｐｅ￥ＤｉｎｇＰｉｎｇｘｉｎｇ；ＫｏｎｇＹａｚｈｅｎ；ａｎｄＳｕｎＦｕ（ＳｔａｔｅＫｅｙＬａｂｏｒａｔｏｒｙＯｆＥｓｔｕａｒｉｎｅａｎｄ￣ａｌＲ￣ｈ，ＩｎｓｔｉｔｕｔｅｏｆＥＳｔｕａｒｉｎ...
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| 关 键 词： | Bispecrum wave shape asymmetry nonlinear |
| 收稿时间： | 1995/10/23 0:00:00 |
| 修稿时间： | 1996/5/17 0:00:00 |
Bispectrum and asymmetry of wave shape |
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| Ding Pingxing,Kong Yazhen,Sun Fu.Bispectrum and asymmetry of wave shape[J].Acta Oceanologica Sinica,1996,15(3):297-305. |
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| Authors: | Ding Pingxing Kong Yazhen and Sun Fu |
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| Institution: | 1.State Key Laboratory Of Estuarine and Coastal Research, Institute of EStuarine and Coastal Research, East China Normal University, Shanghai 200062, China2.Laboratory of Physical Oceanography, Ocean University of Qingdao, Qingdao 266003, China |
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| Abstract: | on the definition and concept introduced in this paper, the theoretical expareion of surface slope bispectrum for two-dimensional waves is derived. Furthermore,the skewness of surface elevation distribution and that of surface slope distribution are respectively employed to define the up-down and front-back asymmetry of a wavee hape so that the relations between bispectrum and skewness are proposed. Through these relations, the updownand 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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| Keywords: | Bispecrum wave shape asymmetry nonlinear |
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