The power spectral density of ship's motion is calculated based on ocean wave energy spectrum and the movement spectrums of the ship's random motion are calculated and created.

根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。

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The power spectral density of ship's motion is calculated based on ocean wave energy spectrum, and the movement spectrums of the ship's random motion are calculated and created.

根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。

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The results are compared with that by regular wave analysis. Different types of wave spectrum are used during calculation, also the influence of wave energy directional spread is considered.

文中比较了采用不同的海浪谱的变形情况，同时还分析了波浪能量方向分布对缓坡上在水流作用下波谱浅水变形的影响。

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