横摇，又称侧滚角，是指浸于水中的物体绕最长延伸方向或波浪入射方向的水平轴的旋转振荡运动；也指导航系统中用来标识目标的横向倾角，其值等于目标物体所在平面上，与艏艉线垂直的线与其在水平面的投影间的夹角。
At the same time,it gave frequency domain and time domain solutions of system equations about two motions on pure rolling and rolling coupled swaying of the ship.
对船舶作单纯横摇和耦合横荡的横摇两种运动情况分别给出了系统方程的频域解和时域解。
参考来源 - U型减摇水舱及试验摇摆台实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
具有一定精度的近似解析解有助于方便分析船舶非线性横摇运动及其稳定性。
An approximate analytical solution with comparative accuracy is helpful in investigating nonlinear rolling of ships and its stability.
姿态传感器能够改正或消除船载仪器由于船体的垂荡、横摇和纵摇引起的测量误差，大大提高测量精度。
It can enhance the measuring accuracy by correcting offset from heave, roll, and pitch of vessel.
本文在研究的过程中，创新性地把数据复合滤波技术引入到了船舶回转试验横摇角测试数据的处理过程中；
In the paper, the author innovatively applies compound filtering method to the processing of rolling angle data collected from ship turning tests.
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