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本文分析了在8114号台风的影响下石臼所海区波浪特征的变化,采用了两种分析方法:(1)统计方法;(2)谱分析方法。结果表明:(a)在台风的影响下,尽管在观测区域内风速风向变化不大,但波浪特征在不断随时间发生变化;(b)用两种方法得到的分析结果比较一致;(c)由谱分析方法计算的结果一般都大于由统计方法得到的计算结果;(d)谱峰周期和谱的重心坐标对应的周期比较稳定。
This paper analyzes the changes of the wave characteristics in the seawall of Shijiuhai under the influence of Typhoon 8114, and adopts two kinds of analysis methods: (1) statistical method and (2) spectral analysis method. The results show that: (a) under the influence of typhoon, the characteristics of wave constantly change over time despite the small change of wind speed and direction in the observation area; (b) the analysis results obtained by the two methods are consistent; (c) The results calculated by the spectral analysis method are generally larger than those obtained by the statistical method. (D) The period corresponding to the spectral peak period and the barycentric coordinate of the spectrum is relatively stable.