ship-swing meaning in English

振浪

Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame , compensation conditions are deduced through studying the effects of ship - swing . the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis , then gives the computer function scheme . servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle
针对三轴轴系既非甲板坐标系又非大地坐标系的特点，既研究了船摇对正交三轴雷达系统的影响，推导实现船摇不变性的补偿条件，又研究了将目标在大地坐标系中的线速度和线加速度滤波值折算到各轴对应的角速度和角加速度值的计算关系，并作出了计算机功能框图。