The Angle of attack, pitch Angle and velocity at shifted point for typical trajectory were calculated.
给出了两种控制方法的导引律,计算了典型弹道的攻角、俯仰角和交班点速度等参数。
A sliding mode observer is designed to estimate the Angle of attack and flight path Angle for a hypersonic vehicle.
对一个高超声速飞行器设计了滑动模态观测器来估计攻角和航迹倾角。
When confronted momentarily with an ascending air current, the paraglider climbs since the Angle of attack has increased.
当我们遇到暂时性上升空气时,飞行伞会随著攻角增加而上升。
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。
When the Angle of attack is small or more than Angle of attack of buffeting, the shock control bump has little effect on the dynamics of airfoil.
而当迎角较小或超过抖振迎角后该激波控制鼓包不会对基本翼型的气动性能产生较大影响。
DMC-PID bunches control technology in the Angle of attack automatic control system during unpowered flying automatic landing period is introduced.
介绍了将DMC - PID串级控制技术应用到无人机无动力飞行时的自动着陆阶段迎角自动控制系统。
When the Angle of attack is small or when it is larger than the buffet onset Angle, the shock control bump has little effect on the dynamics of the airfoil.
而当迎角较小或超过抖振迎角后该激波控制鼓包不会对基本翼型的气动性能产生较大影响。
By using CFD software flow characteristics of S-shaped inlet are analyzed. Furthermore, the effect of fuselage on the inlet by means of the Angle of attack is given.
利用计算流体力学(CFD)方法分析了S形进气道的内流特性及机身对S形进气道性能的影响。
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。
The aerodynamic characteristics of the free wing are investigated in this paper. The wind tunnel test results shows that the control of the angle of attack of the fre…
通过风洞试验,对带升降副翼控制的自由翼气动特性也进行了实验研究,验证了位于自由翼后缘的升降副翼可有效地控制自由翼相对气流的平衡迎角。
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。
A new high accuracy intelligent instrument for measuring the Angle of attack between wheel and rail by means of infrared ray and MCS-51 serial single-chip microcomputer is presented.
本文提出一种利用红外线光源及MCS - 51系列单片微机的新型高精度智能轮轨冲角测试仪。
Another nonlinear inversion controller was designed for the slow variables. It allows the pilot to control the slow dynamics, the Angle of attack, side-slip Angle and the velocity bank Angle.
对慢变量进行非线性逆控制器的设计可使飞行员控制飞机慢动力学,即迎角、侧滑角和速度矢量滚转角。
The results show that the performance of optimized fan is improved by lowering the energy loss which caused by the secondary flow vortex, the volute tongue, the wake-jet and the angle of attack.
研究结果表明:通过优化有效降低了因二次流漩涡、风机蜗舌结构、尾流-射流和正冲角等造成的能量损失,提高了离心通风机性能。
There are two shedding modes along the slender axes when the angle of attack is very high. The Karman vortex shedding region is located in afterbody while the nose vortices region is near the apex.
在迎角很大时细长旋成体背部流场沿轴向通常有两个截然不同的区域,其中卡门涡脱落区域位于后体,而头涡区域靠近旋成体头部。
Rotor wake effects are modeled in the form of a correction applied to the angle of attack along the blades. This correction is obtained by computing the local induced downwash with free wake analysis.
旋翼尾流的作用通过自由尾流分析来求解局部的诱导下洗速度以修正翼型攻角。
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。
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。
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。
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.
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。
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。
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 velocity distributions previously shown were for a single Angle of attack.
先前的速度分布列分别为单一迎角。
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。
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。
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