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在给定航空母舰主尺度及线型图的基础上，建立了不同浪向下船舶纵向运动的水动力模型，采用微分方程的最小二乘拟合法，将水动力模型化为一个仅随舰船的航向、航速变化，而与频率无关的控制模型，并对其幅相特性、能控能观性及稳定性加以验证，仿真结果表明了该控制模型是合理的
Based on the main scale and the line graph of a given aircraft carrier, a hydrodynamic model of longitudinal movement of ships under different waves is established. The least-squares fitting method of differential equation is used to model the hydrodynamic model into a hydrodynamic model Heading, speed change, and frequency-independent control model, and its amplitude and phase characteristics, controllable observability and stability to be verified, the simulation results show that the control model is reasonable