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本文根据胶州湾的自记波浪记录,对波高超过有效波高的波群作了初步的统计分析。统计的内容包括波群的连长及其频率、波群的重复长度、波群出现的频率。波群中的最大波高等。并将统计值和理论值进行比较,说明实测统计值大于理论值,表明自然界波群长度比理论值长。文章还根据现场资料计算谱宽度ε,谱峰尖度Q,波群的平均连长j_1,并讨论了谱峰尖度Q与谱宽ε、平连长j_1之间的关系。
Based on the self-recorded wave records of Jiaozhou Bay, this paper makes a preliminary statistical analysis of the wave groups whose wave height exceeds the effective wave height. The statistical contents include the length of the wave group and its frequency, the length of the wave group, the frequency of the wave group. The largest wave in the wave group is higher. The statistical value is compared with the theoretical value, which shows that the measured statistic value is larger than the theoretical value, indicating that the natural wave group length is longer than the theoretical value. Based on the field data, the article also calculated the spectral width ε, the spectral peak intensity Q, the average continuous length of the wave group j_1, and discussed the relationship between the spectral peak intensity Q and the spectral width ε and the flat continuous length j_1.