尾翼

Firstly, this paper analyzes the forces acting on hydrobomb's body and empennage respectively. Then the mathematical model of hydrobomb's trajectory in seawater is discussed. Secondly, the simulation program is completed with Matlab.

分析了空投水雷水下无动力运动过程中雷体和尾翼的受力情况，并在运动受力分析的基础上给出了研究其水下散布的数学基础－水下无动力运动弹道仿真数模。

Extensions at the front and rear wings broaden the Imperator by 70mm and give the car a more aggressive look.

扩展的前翼和尾翼扩大皇帝的70毫米，使汽车更积极的期待。

The linear aerodynamic forces of airship hull were calculated in terms of Munk airship theory. The linear aerodynamic forces of airship hull were calculated by Allen viscous cross flow theory. The fins linear aerodynamic forces were calculated by approach of panel method.

根据势流理论对飞艇艇身线性气动力进行分析计算，由于飞艇艇体是旋成体，故根据Allen的横流阻力理论对其所受的非线性气动力进行计算；尾翼的线性气动力采用有限基本解方法进行计算，非线性气动力用Polhamus-Lamar吸力比拟方法估算。

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The horizontal tail features a unique inverted stabilizer to achieve adequate negative lift for sustained high angle of attack climb attitudes.

水平尾翼的特点一个独特的倒置稳定达到足够的负面升降机持续的高攻角爬升的态度。

He was pinned by the tail of his own plane, his flight suit set afire, and lost all the fingers on one hand, but was rescued by another pilot who landed, pulled him free, and bundled him into his one-seater fighter.

他被他自己飞机的尾翼绊住了，飞行服着火了，失去了一只手的全部手指，但是被另一名着陆的飞行员所营救，将他解脱出来，并将他塞进了单座战斗机。

By the finite element method model, Natural frequency and vibration model of some project fin-stabilitde sabot-discarded penetrator during launching are calculated and analyzed.

利用建立的三维有限元模型，计算分析了30阶尾翼稳定脱壳穿甲弹的振动固有特性，得到了各阶振动的固有频率及响应振型。

The research achievement provides valuable theory and advanced engineering method for engineering design, manufacture, improve and accident analysis of fin-stabilited sabot-discarded penetrator, and it has higher practical value to improve quality and efficiency of design, and reduce design cost for fin-stabilited sabot-discarded penetrator.

本文研究成果能为尾翼稳定脱壳穿甲弹的设计分析、研制、改型和事故分析提供参考，这种计算分析方法对提高脱壳穿甲弹的设计质量和效率，降低设计成本，有较大的实用价值。

The geometrical parameters of the wing and tail planform and few geometrical parameters of fuselage which have more on the configuration are optimized and those constant parameters are given values according to the designer's experience or the optimizations of the parts.

在优化时，将整机外形几何参数分为优化变量和固定参量；主要优化对总体外形影响较大的机翼、尾翼的平面形状几何参数以及少数几个机身的几何参数；对于固定参量，根据经验或部件层次上的优化结果给出固定值。

This paper takes one low-speed-circumgyrate rocket with a empennage asa research object, set up a relevant reference frame, analyse the strength andmoment on the amended rocket, ratiocinate the sports equation with 6 DOF; analyse the factors which cause terminal windage between pratical trajectoryand fiducial trajectory, take certain rocket for example, make use of theemluator on the influence of estimating precision caused by measuredinformation, find the speed, the trajectory obliquity, the trajectory setoverand the coordinate are the sensitive factor arosing terminal windage of thetrajectory; introduce the developing status of detecting technique, and basedon the actuality, choose the radar in the ground as measure equipment; simplydesign and analyse the setting and inflame control of the impulse engine onthe amended rocket; design the amend method and validate its feasibility takingthe use of emluator.

本文以某型低速旋转尾翼火箭弹为研究对象，建立了相应的坐标系，详细的分析了作用在弹道修正弹上的力和力矩，由动量定理和动量矩定理推导出了在一般形式下的弹道修正弹的空间六自由度的运动方程；对引起弹道落点偏差的因素进行了分析，以某口径火箭弹为例仿真了可测信息量对估算精度的影响，发现速度大小、弹道倾角、弹道偏角和位置坐标是引起落点偏差的主要因素；对弹道探测技术发展现状作综合性阐述，并基于现状，选用地面火控雷达作为测量装置；对弹道修正弹上脉冲推力器的安装和点火控制方法进行了简要的设计与分析；设计了弹道修正弹指令修正的修正方法，通过数字仿真验证了方法的可行性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。