其次，利用递推最小二乘法对随机海浪扰动力和扰动力矩进行建模。
Secondly, the least square method by recursion is carried on modeling for the disturbing force and moment of random sea.
应用安全池思想研究随机海浪中倾斜船舶大幅横摇运动及倾覆概率问题。
Large amplitude rolling motion and survival probability of biased ships are investigated using safe basin theory.
应用随机振动理论，对浮动式钻井装置在随机海浪作用下的动力响应进行了分析。
The vibration responses of floating drilling vessels in random sea waves are studied in this paper by using the theory of random vibrations.
本文应用非线性谱分析法，对铰接装油塔在随机海浪作用下的非线性动力响应进行了分析。
The nonlinear dynamic response of an articulated loading tower under the action of random sea waves is carried out by means of nonlinear spectral analysis.
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。
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.
三维随机海浪的模拟对于研究海浪的本质特征以及海浪对船舶结构物的作用等问题有重要意义。
The simulation of 3-d random waves plays an important role in studying the intrinsic characteristic of wave and its impacts on the ships.
通过引入成型滤波器，采用EKF，提高了状态估计的精度，实现对随机海浪扰动力和力矩的估计。
By using the forming filter and EKF, the precision of states estimation is increased and a effective estimation of stochastic sea interference is performed.
提出一种根据随机海浪频谱来实时模拟随机海浪的方法，它可以用于研究动力定位船舶及其控制系统在不同海况时的性能。
Provides a way to simulate waves in real-time according to random-wave-spectrum. It can be used to study the performances of dynamic positioning ship and control system under different waves.
介绍了能量等分法建立随机海浪模型的方法，并利用所建立的海浪模型对未减摇船舶横摇运动和安装减摇鳍后船舶横摇运动进行了预报。
The rolling motion of an unstabilized ship and a stabilized ship equipped with fin stabilizers has been predicted by use of a random wave model.
为了研究随机海浪中船舶航行安全域的构造及生存概率的预报方法，考虑阻尼和复原力矩的非线性及海浪的随机性，建立随机横浪中船舶运动的随机非线性微分方程。
The random nonlinear differential equation of the rolling motion of ships in random beam waves is established considering the nonlinear damping, nonlinear restoring moment, and the random waves.
鉴于此，介绍了风速单参数海浪谱，并提出了对波高及周期统计的模糊分级统计方法，在此基础上给出了全面分析海洋环境载荷不确定性的模糊随机海浪谱及载荷谱的制作方法。
The authors introduce a wind speed single parameter sea wave spectrum, present the fuzzy grading statistic method of wave height and period, and thereby give the method for making the f…
根据平稳随机过程理论，利用白噪声驱动成形滤波器，获得海浪的干扰模型，并得到了令人满意的仿真结果。
Using white noise to drive shaping filter, the interference model of wave is acquired on the basis of stable stochastic process theory, and the simulation results are satisfactory.
海浪等随机载荷的作用可能使立管产生腐蚀疲劳破坏。
They may subject to corrosion fatigue damage owing to the effect of random load imposed upon by sea waves, etc.
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。
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.
在海洋学中，利用谱以随机过程来描述海浪是进行海浪研究的主要途径之一。
In oceanography, using spectral analysis as a random process to describe the waves is one of the main study.
在海浪模拟中，通过对两种常用网格化模型(基于随机采样点的网格化和基于固定采样点的网格化)的实验分析，给出了一种视点相关的海浪网格模型。
In ocean wave simulation, a view-dependent ocean wave mesh model is given by experiment analysis for two common mesh models, which are based on random sample points and based on fixed sample points.
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。
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.
尽管这一控制系统是专为产生模拟海浪而设计的，但其控制方案也可直接用于其他测试技术领域，以产生“随机”信号。
Although the system is specially designed for simulated ocean wave generation, the control scheme can also be directly applied to generating random signals in many other fields of test engineering.
尽管这一控制系统是专为产生模拟海浪而设计的，但其控制方案也可直接用于其他测试技术领域，以产生“随机”信号。
Although the system is specially designed for simulated ocean wave generation, the control scheme can also be directly applied to generating random signals in many other fields of test engineering.
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