The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.
建立了再入机动弹道数学模型，给出了气动力系数为速度、迎角、高度的函数拟合式，进行了最佳再入机动弹道设计和仿真计算。
If you were a marketing manager, return to the job with a new Angle of attack that can help make the company more competitive.
如果你是个市场拓展经理，带着新的行销理念重回以前的岗位可能有助于提升公司的竞争力。
Her seat slides forward and back on tracks in the center of the cockpit, which increases the OARS 'Angle of attack as they enter the water — making each stroke longer and more efficient.
她的座椅下面有个轨道，因此座椅可以前后滑动，这样在桨入水时可以增大它们的迎角，使每一次划船时桨在水中停留的时间更长，从而更有效率。
A type of statistical analysis used to study high-energy physics and stock market fluctuations could yield a new Angle of attack in the fight against the virus that causes AIDS.
一种统计方法主要用于研究高能物理和股市波动，现在有可能在人类对抗艾滋病的战役中开辟新的战场。
Angle of attack and nose shape of bodies are key factors that asymmetric vortex occurs over slender bodies.
迎角、旋成体的外形，尤其是头部的几何形状是细长前体出现非对称涡的关键因素。
Angle of ATTACK, the Angle of the wing chord in relation to the free stream airflow as it moves forward through the air.
迎角，机翼翼弦在空气中向前运动时与自由气流之间的夹角。
For this Angle of attack the corresponding velocity distribution is constant for the second segment.
这个迎角相应速度分布是固定的第二部分。
Dynamic aerodynamics characteristic is one of very important parameters of modern maneuverable aircraft to be scaled at high Angle of attack and high speed.
高速大迎角动态气动特性是衡量新一代高机动飞行器性能的重要参数之一。
The effect of initial attack angle and pitching angular velocity on the selection of release angle is remarkable.
得到标枪的初始攻角和俯仰角速度对出手角度选择的影响较显著。
The aerodynamic drag of different models at zero angle of attack in the experiment is calculated using the simplified procedure.
在零攻角实验时不同模型的空气动力阻力是采用简化方法来计算的；
The extended linearization of nonlinear systems is used to design flight control systems at high angle of attack.
利用非线性系统的扩展线性化方法设计具有大迎角的非线性飞行控制系统。
This paper introduces two methods to get the virtual sensor signal of angle of attack and sideslip angle: Nonlinear Observer method and INS/GPS method.
本文介绍了两种方法来得到迎角和侧滑角的虚拟传感器信号：非线性观测器方法和利用INS／GPS系统数据估计迎角和侧滑角方法。
Numerical solutions agree with supersonic linearized potential flow theory as a special case when the mean angle of attack tends to zero and with piston theory in hypersonic case.
作为平均迎角趋于零的特殊情况，本文的数值结果与超声速线化的位流理论是一致的，在高超声速情况与活塞理论一致。
The torsion reduces the effectual attack angle of the elastic sweep wing.
有效迎角的减小又使得弹性机翼的有效气动力载荷减小。
In the condition of gust, in order to restrain additional load and improve the comfort of passenger, the state of Angle of attack is acquired.
在阵风条件下，为了抑制飞机的附加载荷并改善乘坐品质，需要得到飞机的迎角状态。
Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.
基于扇翼机的飞行原理，提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率，进而实现垂直升降的方法。
In ocean engineering realm, fluid drags are computed by Morison equation with drag coefficient defined by a function of Renold number and attack Angle.
在海洋工程领域，计算软管流体阻力采用莫里逊公式，其中阻力系数是双参数迎角和雷诺数的函数。
This kinetic model can be used in ballistic calculation of projectile with large angle of attack and also in the design of some smart munitions(e. g. target sensitivity projectile).
此动力学模型可用于弹丸大攻角飞行时的弹道计算及某些灵巧弹药（如末敏弹）的设计。
This paper presents a dynamic inversion control method for high Angle - of - attack flight.
提出了一种飞机大仰角飞行的动态逆模糊集成控制方法。
Based on traditional bracing system of wind tunnel testing, a system of hanging brace of large Angle of attack was designed, which can reduce frame interference.
基于传统的风洞试验支撑系统，设计了能减小支架干扰的大攻角张线式支撑系统。
In the experiment for measuring bullet attitude, this measurement system can accomplish real-time measuring small bullet Angle of attack and velocity parameter.
在实际弹丸飞行姿态测试试验中，该测试系统可以较好的完成实时测试小弹丸攻角和速度参数的任务。
While for small clearance, there appear repulsion phenomena, and the variation of coefficients with attack Angle is nonlinear.
当物体离壁面很近时，出现排斥现象，水动力系数随攻角的变化呈非线性特征。
For the aircraft with moderate swept wing, the main reasons of causing wing rock are the variations of roll damping moment with the Angle of attack and the sideslip Angle.
对具有中等后掠角机翼的飞机，产生机翼摇晃的主要原因是滚转阻尼力矩随迎角和侧滑角的变化。
On the reasonable assumption of match AOA (Angle of attack) flight, the mathematics simulation model of the reentry flight of a spaceship is formulated in this paper.
在配平迎角飞行的合理假设下，建立了描述载人飞船再入飞行段弹道的数学仿真模型。
The influence of the instantaneous angle of attack and ST on the performance of propulsion is investigated.
探讨了水翼瞬时攻角、及柔度对摆动水翼推进性能的影响。
In flight, the Angle of attack can only be adjusted to a small degree, as the wing is highly pliable and subject to collapse.
在飞行时，当伞翼变的极度容易折湾及崩溃时，攻角只能被调整至一个非常小的角度。
Complex wave structures of supersonic inlet at different Angle of attack and spinning velocity related to high speed spinning and critical status were achieved.
得到了高速旋转工况下对应于不同来流攻角和旋转角速度，临界工况时，超声速进气道内外流场复杂的波系结构。
Complex wave structures of supersonic inlet at different Angle of attack and spinning velocity related to high speed spinning and critical status were achieved.
得到了高速旋转工况下对应于不同来流攻角和旋转角速度，临界工况时，超声速进气道内外流场复杂的波系结构。
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