The ship motions have six degrees, if the motion of surge is ignored, it is believed pitch and heave motions are coupled, roll, sway and yaw motions are coupled. Because the lateral motion is more remarkable than longitudinal motion, and it is the main reason that governs the sink of vessels, it is most important to the study of seakeeping, it is studied and predict in this paper.
在船舶运动的六个自由度中，不考虑进退运动，可以认为纵摇和升沉是耦合的，横摇、横荡和摇艏是耦合的，由于横向运动较纵向运动显著，是决定船舶倾覆的主要因素，对整个耐波性的研究尤为重要，本文对其进行了研究和预报。
参考来源 - 船舶横向摇荡预报·2,447,543篇论文数据，部分数据来源于NoteExpress
That is able to make the longitudinal motion of airplane unstable.
这足以使飞机纵向运动发生不稳定而危及安全。
The effect of velocity on the longitudinal motion of SWATH ship in irregular waves is researched.
分析了航速对SWATH船在不规则波中迎浪纵向运动响应的影响规律。
Statistical characteristics of double scattering speckle field in longitudinal motion is studied in detail.
研究了慢纵向运动双散射散斑场的统计性质。
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