舰船运动的一种改进经典谱估计方法

Improved Classical Methods of Spectral Evaluation for Ship′s Motion

通过对经典谱估计各种方法的性能分析与比较 ,并结合实际加以改进 ,进而提出了针对舰船运动的切实可行的谱估计方法 ,通过仿真 ,获得了比较令人满意的结果。此方法在提高舰船运动建模及预报的精度等方面 ,具有一定的实用价值。

This paper deals with the investigation on the ship motion with the classicl methods for spectral evaluation.By analyzing and comparing the performance of various methods for the classical spectral evaluation,a feasible spectral evaluation method on the ship motion is suggested.The simulation tests give satisfied results which are of some practical value in improving the modeling of ship motion and the precision of prediction.