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。
And the effect of longitudinal location, size, as well as combination forms of fin on the longitudinal motion of SWATH ship are studied.
并研究了鳍的位置、尺度、组合形式对SWATH船纵向运动性能的影响。
Then the pose of longitudinal motion is estimated by linear Kalman filter. Finally, an optimal control rule is constructed by LQG performance index.
其次，利用线性卡尔曼滤波器对其纵向运动姿态进行估计，依据LQG性能指标构造了最优控制规律。
Aircraft longitudinal dynamic response of the system with and without LEX is analyzed by solving the state equation of aircraft longitudinal motion.
通过求解全机纵向运动状态方程，分析了全机模型带与不带机翼边条时纵向动态响应问题。
The conversion region, which transfers the energy of the transversal motion into longitudinal motion, is an important part of a cyclotron wave converter.
能量转换区是回旋波整流器的一个重要组成部分，它把电子的横向能量转化为纵向能量。
In this paper, the longitudinal motion and control system for "101" hydrofoil experimental craft based on the longitudinal motion equations are discussed.
本文讨论了“101”水翼试验艇的纵向运动及其控制，给出了纵向运动方程。
This paper deals with the problems of longitudinal motion stability of SW ATH ships moving in still water and of the motion control of SWATH ships in waves.
本文讨论了SWATH船静水中纵向运动稳定性和其在波浪上纵向运动消减的最优控制问题。
Working principle of speed change box sliding table is the longitudinal motion on the bed. Because the lead screw drive, couple with the function of gear box.
变速箱式滑台工作原理是滑板在床身上做纵向运动，因其丝杠传动，再加上变速箱的作用。
Firstly, the original nonlinear model of the aircraft longitudinal motion is linearized to a three-order decoupling system via the input-output feedback technique.
首先，对飞机纵向运动的非线性模型进行输入输出反馈线性化，将其等效为一个三阶线性系统，并同时实现了解耦。
The obtained results are employed to analyze longitudinal motion of an aircraft made in China. The analysis shows that this model is proper and the method is effective.
最后对国产某飞机的纵向短周期运动系统的分析说明本文的模型是合适的，方法是有效的。
In this paper, based on the theories of stochastic control, we make a study of multivariable stochastic control methods of hydrofoil and emphasize on the analysis of longitudinal motion of it.
基于随机控制理论，针对全浸式水翼艇的多变量随机控制方法进行探讨，并着重分析水翼艇的纵向运动姿态的随机最优控制。
But in the SWATH ship longitudinal motion and the high speed situation hangs swings the movement to affect it directly in the Marine movement posture, then affects the ship the movement stability.
但小水线面双体船的纵向运动和高速情况下的垂荡运动直接影响其在海上的运动姿态，进而影响船的运动稳定性。
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.
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。
There is no ideal way so far to represent the longitudinal and lateral motion mode of the small linear disturbance motion equation.
形象地表现线性小扰动运动方程的纵向和横航向典型运动模态，一直缺乏一种理想的方式。
Longitudinal displacement measures myocardial motion amplitudes in systole and visualizes the segmental velocity - time integrals.
纵向位移是测量收缩期心肌运动幅度，显现为心肌节段的速度-时间积分。
The chaotic motion problem for the Longitudinal vibration of a nonlinear viscoelastic pile subjected to an axial periodic force is investigated.
研究了轴向周期载荷作用下非线性粘弹性嵌岩桩纵向振动的混沌运动。
Setting accelerator sensors on related positions of knee joint, we collect a series of longitudinal sound waves which knee joint sending out in motion.
本文将加速度传感器置于膝关节的相关部位拾取到膝关节运动时发出的一系列纵向声波。
Mathematical expression of longitudinal transient deformation of tyre tread imprint under motion condition has been derived.
计算出运动状态下轮胎印迹纵向瞬时变形的数学表达式。
On analyzing the longitudinal plane motion equation and lateral plane motion equation in guided phase, the guidance logic for perpendicular impact task was devised.
通过分析导弹在导引段的纵向平面运动方程和侧向平面运动方程的特点，设计了实现垂直打击任务的制导逻辑。
Take longitudinal disturbed motion for example, the stability and the controllability of the gliding extended range projectile are investigated.
以纵向扰动运动为例，分析了滑翔增程弹的稳定性和操纵性。
In order to provide safety and obtain desired longitudinal vehicle motion, a robust sliding mode controller is designed to maintain the reference input wheel slip.
为了保证制动控制的安全性和获得期望的纵向运动，设计鲁棒滑模控制器来跟踪给定的参考滑移率输入。
The slipway in 431 ship-yard being a semi-submersible types of longitudinal slipway, launching motion process is different from the regular.
渤海造船厂的船台是一座半潜式纵向下水船台，下水运动过程与常规纵向下水过程不同。
In a liquid the motion of the particles may be neither purely transverse nor purely longitudinal but a combination of the two.
在液体中粒子运动可能既不完全横向的，也不完全是纵向的，而是两种运动形式的组合。
This paper is intended to analyze and predict five degrees motions with the longitudinal coupled motion and lateral coupled motion.
本文中就针对这五个自由度的运动按纵向耦合运动和横向耦合运动进行了研究和预报。
Afterthe action of the additional longitudinal magnetic field, the forces acting on the LMJand the motion behaviour are changed.
指出在外加磁场引入之后，改变了液流束的受力状态和运动行为。
In chapter 4, we solved the relativistic electron motion equation numerically to find the relation between the electron motion and the longitudinal component of the electric field.
在第四章中，通过对电子的相对论运动方程进行数值计算，研究了超强激光电场的纵向分量对电子运动产生的影响。
The 2-D nonlinear longitudinal wave in the isotropy solid medium studied in this paper is the finite amplitude wave, which thought about the nonlinear of the motion and medium.
本文研究了各向同性固体介质中的二维非线性有限振幅纵波，采用有限元方法求解二维非线性纵波运动方程。
The 2-D nonlinear longitudinal wave in the isotropy solid medium studied in this paper is the finite amplitude wave, which thought about the nonlinear of the motion and medium.
本文研究了各向同性固体介质中的二维非线性有限振幅纵波，采用有限元方法求解二维非线性纵波运动方程。
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