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1·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。

2·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。

3·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。

4·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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。