In this paper, the non-linear differential equations of aircraft motion are simplified by the condition of steady spin.
按稳定尾旋的条件对飞机运动方程组作了简化。
A new efficient real - time flight path reconstruction method of the longitudinal aircraft motion is presented in this paper.
提出一种有效的实时纵向飞行轨迹重构的新方法。
To increase the accuracy of mid-range conflict detection, designing a more ac-curate probabilistic model of aircraft motion is necessary.
为了提高中程飞行冲突探测的精确性，有必要为飞机运动建立一个更精确的概率模型。
The model of the cocktail that is the mainly part of the carrier air wake, and the aircraft motion model in the changing wind field were built.
舰尾流是舰载飞机着舰误差的主要来源之一，雄鸡尾流是舰尾流的主要组成部分。
Finally, three forms of agility maneuvers arerealized by three nonlinear decoupling control forms of aircraft motion and the results aresatisfying.
最后用飞机非线性运动的三种解耦运动模式实现了三种形式的敏捷性机动，结果是满意的。
Drag hinders the forward motion of the aircraft.
作用于空中的阻力阻碍飞机向前运动。
An aircraft, especially a balloon or dirigible, deriving its lift from the buoyancy of surrounding air rather than from aerodynamic motion.
浮空器从周围空气的浮力而不是从空气动力获得提升力的航空器，特指气球或飞船。
The disadvantages of normal aircraft to realize flight path control can be overcome by using direct force control, and some new motion modes can be created.
采用直接力控制可弥补常规飞机在轨迹操纵方面的不足，并产生某些新的运动模式。
Within each of the three freedoms of motion, an aircraft has two others.
三个运动自由度中，每一个都有两个相反的动作。
But an aircraft has three freedoms of motion, it can be made to climb or dive.
但是以及飞机由三个运动自由度，它可以爬升或者俯冲。
Aircraft trailing edge devices, including devices with non-parallel motion paths, and associated methods.
飞行器后缘设备，含运动路径非平行的设备，和有关方法。
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 disadvantages of normal aircraft in flight path control can be overcome by using direct force control, and some new motion modes can be realized.
采用直接力控制可弥补常规飞机在轨迹操纵方面的不足，并产生某些新的运动模式。
To get high accuracy of the identification of aerodynamic parameters, based on the motion equation of an aircraft, a fast algorithm for flight data compatibility check is presented in this paper.
为了提高气动参数辨识的精度，根据飞机运动方程，给出了测量中的系统偏差、尺度因子误差和随机噪声描述，并提出了一种飞行数据相容性检验的快速算法。
The motion drive hydraulic system of aircraft tractor is introduced briefly, and the content of testing in the hydraulic system is presented.
在简要介绍飞机牵引车行走驱动液压系统的基础上，说明了液压系统测试的内容与状态。
Fast image matching is an important method for aircraft navigation and motion analysis.
快速影像匹配是进行影像时间序列分析与飞行器导航的重要方法。
Using the model the unsteady aerodynamics of one aircraft in pitching-rolling motion is identified.
应用该模型对某飞机模型做俯仰滚转耦合运动的非定常气动力进行了辨识。
The periodical motion of aircraft rotating structures will cause a periodically modulated radar return signal.
飞机旋转部件的周期运动会对雷达信号的回波产生一个周期性的调制。
The fast-extension motion of the nose gear of the carrier-based aircraft is studied.
研究了舰载机前起落架的突伸运动。
The paper makes use of the six dimensional linearized equations of motion to analyse the dynamic stability of the steady level turning flight of an unmanned aircraft.
本文利用线化六自由度运动方程的状态空间式，对某无人机大过载定水平盘旋的稳定性进行分析。
The mechanism of spin motion and the function of various control surfaces are explored during the aircraft entry into and recovery from, a spin.
探讨其运动机理以及各操纵面在尾旋进入和改出中的作用。
A movable control surface, usually attached to the horizontal stabilizer of an aircraft, that is used to produce motion up or down.
升降舵一个可动控制台，通常安装在飞机的尾翼上，用来操纵飞机。
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 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。
The aim at alignment accuracy and time and the complicated environment made the carrier aircraft in-motion alignment difficulty.
舰载机惯导系统对对准精度、对准时间的要求及其所处的复杂环境使得舰载机的动基座对准问题变得比较困难。
I would like to ask you what to sit into the aircraft and what a person high in the high wheat fields back and forth in a circular motion…
请问你成坐的是什么飞机能够在一人多高的高度在麦田来回转圈…
I would like to ask you what to sit into the aircraft and what a person high in the high wheat fields back and forth in a circular motion…
请问你成坐的是什么飞机能够在一人多高的高度在麦田来回转圈…
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