首先对船舶在波浪中的纵摇与升沉运动进行了研究。
Firstly, the heaving and pitching motions of ship in regular waves are discussed.
此方法亦可用于船舶横摇、纵摇、艏摇运动的预报。
This method can also be used in ship roll, pitch and heave prediction.
本文着重探讨渔船在风浪中如何减少纵摇和淹埋，打空车的问题。
The present article emphatically discusses the problem: while the fishing boat sails in waves how to reduce the pi-ching, submergence and racing.
纵摇对横摇的非线性影响除以上参数外，还与漂心的纵向位置有关。
The nonlinear effects of heave on ship roll are also dependent on the longitudinal center of floatation besides above factors.
主要介绍多层递阶预报原理及其首次在大型舰船纵摇运动预报中的应用实例。
This article mainly introduces the principle of the multi-level recursive prediction method and the first application example to the pitching movement prediction of a large-sized naval vessel.
舰船运动的阻尼和刚度非线性，导致舰船大幅运动时横摇和纵摇之间的耦合。
The nonlinear damping and stiffness of a ship motion result in the coupling between rolling and pitch in big amplitude.
船舶运动时的阻尼和刚度非线性，导致船舶大幅运动时横摇和纵摇之间的耦合。
The nonlinear damping and stiffness of a ship motion in the seas result in the coupling motion between rolling and pitch in big amplitude.
介绍了自回归时间序列分析法的建模预报原理，并给出了船舶纵摇运动预报应用实例。
This article mainly introduces the principle of the prediction for auto regression modeling and recommends the AR arithmetic of prediction for ship pitching motion in detail.
两个谐波响应的迭加，使横摇和纵摇运动响应显著增加，并且横摇运动不再左右对称。
Due to the superposition of two responses with different frequencies, the ship motion is increased and the rolling motion is not symmetrical.
最后，将广义预测控制引入到舵减纵摇的研究中，探讨了基于状态空间的广义预测控制算法。
Finally, the algorithm of predictive control based on state space is studied by introducing the generalized predictive control into the research of anti-pitching for ship.
针对分散布置的核船压水堆一回路的特点，分析了船舶纵摇和横摇对自然循环能力的不同影响。
In view of the characteristics of the separate arranged PWR primary loop in nuclear power ship, the different influences of pitching and rolling on natural circulation ability have been analyzed.
时间序列分析法亦可用于船舶纵摇、艏摇的时间序列预报，该方法在工程中具有很大的实用价值。
The time series analysis can also be used in ship pitching and heaving time series prediction. These indicate that the prediction method is valuable for engineering practice.
如果能够找到有效的减纵摇方法，对于舰载飞机起降、船舶的适居性和航行性等都是十分有意义的。
It is significant for the getting up and dropping of the ship-board aircraft, habitability and seagoing performance of ship that a effective method of anti-pitching can be found.
因此改变航速应视波浪情况，力求避免调整航速而带来纵摇周期与波浪周期接近出现的“共振”现象。
Swing should depend on wave. Avoid resonance arising from the cycle of vertical shake being near the cycle of wave because of adjusting speed.
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.
在航母横摇角、纵摇角以及升沉位移已知的条件下，通过并联机构的运动学分析可以求得驱动滑块的位移方程。
We can gain the displacement equation of the slide block if we know the roll angle and pitching angle and the vertical displacement of carrier.
采用STF方法计算船舶的纵摇和垂荡运动及船舶在不规则波中的统计特性，计算与试验相比较，结果令人满意。
The pitching and heaving motions of a catamaran are calculated with the STF method, as well as the statistic characteristics of motion in the irregular waves.
研究表明，在船舶高能搁浅动力学过程中，有相当部分的初动能转化为旋转形式的动能，包括纵摇、横摇和艏摇；
The research shows, in the process of hard grounding a considerable part of ship's initial kinetic energy turns into energy of revolving mode, which includes pitching, rolling and yawing.
令板面处的法向诱导速度与滑行板由纵摇和升沉运动所产生的法向速度相等，便得到求解未知压力分布的积分方程序。
By equating the normal induction velocity on the planing plate to its normal velocity of pitching and heaving motions, obtained the integral equations of the unknown pressure distribution.
本文主要根据模型试验研究的结果，介绍防溅条对高速排水量艇的阻力、横摇、纵摇、升沉、失速及回转性能等方面的影响。
Based on results of the model test, the influence of chine strips on resistance, rolling, pitching, heaving, loss of speed in wave and turning qualities of this form is discussed.
HMR30 0 0数字罗经模块由于其测量原理的限制，在某些特殊的应用场合，横摇和纵摇输出将可能出现较大的误差。
For the restriction of sense principle, in some special cases, the HMR3000 digital compass module has a great error in roll and pitch outputs.
加装减纵摇组合附体的单体复合船型是一种有效抑制船舶纵向运动的新船型，其减纵摇效果已经在千吨级以下船舶上得到验证。
The hybrid monohull with build-up stabilizing appendages is a new type of ship which can efficiently reduce its longitudinal motion, and the effect has been validated from the ships below one kiloton.
从高速水翼双体船受力分析的角度，提出了其静水中垂荡和纵摇运动的数学模型，其中对水翼所产生的升力进行了较为详尽的分析。
In this paper, by analyzing the forces on hydrofoil catamaran, the mathematical model of its heaving and pitching motion is proposed.
本文建立了在纵浪上航行船舶的非线性参数激励横摇运动方程，研究了当升沉固有频率接近横摇固有频率时船舶的稳定性。
A nonlinear parametric excitation equation is obtained for ships in longitudinal waves, and the dynamic stability is analyzed when the natural frequency of heave and roll are approximately equal.
本文建立了在纵浪上航行船舶的非线性参数激励横摇运动方程，研究了当升沉固有频率接近横摇固有频率时船舶的稳定性。
A nonlinear parametric excitation equation is obtained for ships in longitudinal waves, and the dynamic stability is analyzed when the natural frequency of heave and roll are approximately equal.
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