The nonlinear motion equations of the systems are derived and the journal orbits are determined as aPProximate solution of those equations.
推导出了系统的非线性运动方程，所求方程的近似周期解即为轴心轨迹。
Considering the nonlinear factors resulting from considering the changing of transient body wetted surface, the nonlinear motion equations are built and solved in time domain.
考虑瞬时物面变化引起的各种非线性因素，在时域内建立浮体的非线性运动方程并求解。
The nonlinear equations of motion of planing boats of arbitrary sections in regular waves are established by ordinary strip method and solved by step-by-step method at first.
首先，根据普通切片法，对具有任意横剖面形状的快艇，建立规则波中的非线性运动方程并步进求解。
Here, the action of SSSC is taken into account in rotor motion equations of power system and an adaptive nonlinear variable parameter control method for SSSC is proposed.
文章在电力系统转子运动方程中计及了SSSC的作用，提出了SSSC的自适应变参数非线性控制方法。
The nonlinear coning motion equations in body coordinates on the force moment coefficients of low speed spinning rocket were obtained based on the dynamics equations.
根据滚转火箭弹的动力学方程，给出了在弹体坐标系下无控低速滚转火箭弹在被动飞行段的锥形运动方程组。
By use of accelerator theory in FEL studies, single particle, nonlinear equations of motion with corresponding non-self-consistent computer code is established.
本文利用自由电子激光的加速器理论，建立了单粒子非线性运动方程及其非自洽数值模拟模型。
A nonlinear three order vessel maneuvering mathematical model was used to establish the motion differential equations of mooring systems subjected to current.
以三阶非线性操纵运动微分方程为基础导出了系泊系统运动响应的数学模型，得到了静态分岔方程。
Based on the wave theory, a set of differential equations of nonlinear motion due to the seismic sh wave is established.
按波动理论，建立土—结构—流体相互作用体系的非线性运动方程组。
The nonlinear equations of motion with two internal moving-mass actuators are provided, and the influence to the system of moving masses' motion with respect to the vehicle's shell is described.
建立了带有两个可移动滑块的导弹系统非线性运动模型，分析了滑块与弹壳的相对运动关系对系统运动产生的耦合影响。
First, time replaced by altitude and dynamic pressure as the independent variable of nonlinear equations of motion, which make the trajectory shape correlative to dynamic pressure constrains.
首先，将基于时间历程的质点动力学方程转化为基于高度剖面的质点动力学方程，同时利用动压代替速度，使轨迹形状直接和动压约束相关。
To research the trajectory design method for terminal area energy management(TAEM) of reusable launch vehicle(RLV), the method basing on nonlinear equations of motion is designed.
为了研究重复使用运载器末端能量管理段的下滑轨迹线设计，给出了基于高度和动压的质点动力学的设计方法。
To research the trajectory design method for terminal area energy management(TAEM) of reusable launch vehicle(RLV), the method basing on nonlinear equations of motion is designed.
为了研究重复使用运载器末端能量管理段的下滑轨迹线设计，给出了基于高度和动压的质点动力学的设计方法。
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