先前的速度分布列分别为单一迎角。
The velocity distributions previously shown were for a single Angle of attack.
这个迎角相应速度分布是固定的第二部分。
For this Angle of attack the corresponding velocity distribution is constant for the second segment.
标枪的气动阻力、升力随迎角增加而增加。
The aerodynamic drag and lift of javelin increase with angle of attack.
通常的尾翼必须处于负迎角，而鸭式尾翼则为正迎角。
The conventional tail must be at a negative Angle of attack, and the canard tail at a positive Angle.
看到的依然是不断沿着速度预期在相应的环节设计迎角。
Note that still the velocity is constant along the desired segments at the corresponding design angles of attack.
有效迎角的减小又使得弹性机翼的有效气动力载荷减小。
The torsion reduces the effectual attack angle of the elastic sweep wing.
皮托静压探头、迎角叶片、排水管及厕所排水都是用电加温。
The pitot static probes, alpha vanes, drain mass, and toilet drains use electric heaters.
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。
Angle of ATTACK, the Angle of the wing chord in relation to the free stream airflow as it moves forward through the air.
同时还研究了迎角节点间隔和样条函数的次数对估计结果的影响。
The influence of nodal points interval of angle of attack and order of spline function on estimation results is also researched.
研究了在大迎角下，后掠翼对细长体绕流结构和气动力特性的影响。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
另一个潜在的优点，是飞机在跑道滑行时，机翼已经有一个较大的迎角。
Another potential advantage results from the fact that the plane is already tilted to a large Angle of attack as it rolls down the runway.
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。
Dynamic aerodynamics characteristic is one of very important parameters of modern maneuverable aircraft to be scaled at high Angle of attack and high speed.
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。
The extended linearization of nonlinear systems is used to design flight control systems at high angle of attack.
采用测压方法研究了矢量喷流对细长旋成体大迎角非对称流动的影响特性。
This paper studies the effect of vectoring jet on the transverse aerodynamic characteristics of a slender body.
试飞结果表明，JL8飞机具有良好的大迎角特性及低速和高速失速特性。
The results of flight test show that JL8 aircraft has very good characteristics of high Angle of attack, low speed and high speed stalls.
有侧滑时，尖侧缘的非圆截面机身头部在中等和大迎角下，可具有方向稳定性。
The fore-body with sharp section angle can produce direction stability at middle-higher angle of attack in the case of side-slip.
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 and nose shape of bodies are key factors that asymmetric vortex occurs over slender bodies.
迎角叶片，位于机身侧的可动小翼面。为失速警告系统传输飞机对气流的相对角度。
ALPHA VANE, a small moveable airfoil on the side of the fuselage transmitting airplane Angle relative to airstream for the stall warning system.
飞机或导弹在大迎角下飞行时会形成非对称涡，从而产生很大的侧滑力和偏航力矩。
When a fighter aircraft or missile flies at high angle of attack(AOA), asymmetric vortexes are produced from the forebody and induce strong side force and yawing moment.
在失速迎角后，尖顶襟翼对升力系数的提高有明显的效果，而对阻力系数的影响不大；
The apex flap deployment had a promising effect on the lift after stalling angle, but it had little effect on the drag.
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。
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。
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.
发现单纯改变涡襟翼的形式和参数能提高减阻效果，但不能改变小迎角下升力过小的现象。
It is found that the variation of planforms and geometrical parameters can effect only the drag reduction but little to the low lift in low angle of attack condition.
在跨声速风洞中研究了声激励对于可压缩流中细长旋成体大迎角流动非对称性的影响效果。
The effect of acoustic excitation on the flow asymmetry over a slender body in compressible flows was investigated in a transonic wind tunnel.
本文用微分方程定性理论来分析俯仰力矩曲线随迎角变化的“勺形”对飞机飞行稳定性的影响。
The theory of stability of differential equations is used to analyse the 'effect of reversal slope of pitch moment to the stability of aircraft.
根据飞机的动态特性，将飞机动态分为角速度快速动态与滚转角、迎角与侧滑角表示的慢动态。
In terms of the aircraft characteristics, the aircraft dynamics are divided into fast dynamics of Angle speeds and slow dynamics of roll Angle, Angle of attack and sideslip Angle.
实践表明利用静姿态角法阳参数辨识法相结合进行迎角空中校准，在一定范围内是切实可行的。
By practice, it is pointed out that the calibrating of AOA by using the parameter identification combined with the static pitch attitude is a practical method in certain extent.
实践表明利用静姿态角法阳参数辨识法相结合进行迎角空中校准，在一定范围内是切实可行的。
By practice, it is pointed out that the calibrating of AOA by using the parameter identification combined with the static pitch attitude is a practical method in certain extent.
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