By analyzing the spectrum of the random ocean wave and of the force of the ship, the ocean wave model and the ship movement model are erected.
在分析随机海浪的波能谱和船舶的受力情况的基础上，建立随机海浪模型和船舶运动模型。
Based on the linearization method presented by authors, the force spectrum on horizontal cylinder by diagonal wave and current is established.
本文根据作者提出的线性化方法，对于斜向波浪和水流作用下水平杆件上的拖曳力做了线性化。
The wave form and the spectrum of impact force as well as the variation in sound exposure level (SEL) at a fixed point were measured which representing the relative changes of the ringing noise.
对一些板和梁进行了撞击试验，测量了撞击力随时间变化的波形及其频谱。
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