飞行速度

将偏差控制与基于飞机总能量控制的解耦理论结合在一起，实现了对飞行速度和飞行高度的无稳差控制。

An error control method was adopted to eliminate the stable error of airspeed and altitude when decoupling control through total energy control principle .

数值仿真结果表明：当飞行速度在不稳定区域，最优控制律能使系统很快收敛到零。

Especially , the numerically simulation shows that the mean airspeed in unstable regime , the optimal control input feedback on the airfoil system can make the system convergent to zero in short time .

贼鸥是飞行速度很快的黑色鸟类，尾部长而分叉。

Jaegers are swift black birds with long forked tails .

如果飞行速度超过每秒11公里，宇宙飞船将摆脱地球的引力。

If a spacecraft travels faster than 11 km a second , it escapes the earth 's gravitational pull .

通过地空导弹攻击ARM载机仿真模型的构建，得出两种不同ARM平均飞行速度下垂直最佳区域和水平最佳区域剖面图。

The sectional views of the vertical and horizontal best-firing regions under two different speeds of ARM assaulting are obtained through the simulation model .

利用驻定相位原理，推导双站SAR在航迹平行、飞行速度相同时回波信号的二维频域表达式；

A derivation of a point response in doppler domain is presented based on principle of stationary phase when the velocity is the same .

结果表明：非烧蚀钝锥模型头身部红外辐射远大于尾迹红外辐射，在相同飞行速度和环境压力条件下，模型A产生的红外辐射比模型B产生的红外辐射强。

The results show that the IR radiation of model is stronger than the IR radiation of wake , and the IR radiation of model A is stronger than model B at the same test conditions .

这组控制规律通过解耦控制飞机的飞行速度（V）、滚转角（φ）、航迹角（γ）和偏航角（φw），使飞机能够精确地跟踪期望的三维突防航迹。

This control law could guarantee aircraft accurately capturing desired 3-dimension penetration trajectory by decoupling control the flight velocity ( V ) , bank angle (φ), path angle (γ) and yaw angle (ψ w ) .

仿真结果表明：距离向速度误差是影响SAR定位精度的主要因素，定位精度还与斜视角和飞行速度有关。

Finally it makes the simulation . The simulation results show that the range motion error is the most fact affecting the SAR geolocation accuracy , which also related to the squint angle and the velocity .

从下面看去真的是非常灿烂的景象，“我现在在10000英尺的高度，飞行速度是每小时25米。”Couch经历了一次天空之旅。

Gorgeous views of all the bottom , " I 'm at 10000 feet , 25 m / h , " Couch had a tour guide to the skies .

的极超音速X-43A条飞行速度更快，但X-51A的飞行时间。

The hypersonic X-43A flew faster , but the X-51A flew longer .

为提高捷联惯导系统（SINS）长时间工作的导航精度，分析了SINS的姿态角、飞行速度和定位三类基本误差，以及系统误差的表示方法。

To improve the navigation accuracy of strapdown inertial navigation system ( SINS ) in long time flying , the three general errors of attitude , velocity and station and system error were analyzed in this paper .

针对小弹丸飞行速度高的特点，结合线阵CCD相机采集图像原理，基于计算机编程技术和图像处理技术，开发了数据采集和处理软件；

The software for data acquisition and processing is developed according to principle of acquisition image with Linear CCD camera . It is developed based on computer programming techniques and image processing techniques in accordance with features of flying small bullet with high speed .

导弹被设计在它的100+公里交战射程维持M4.0的一个飞行速度。

The missile is designed to sustain a speed of M4.0 over its100 + km engagement range .

球模型飞行速度为4.8～5.7km／s，靶压10～80mmHg。

The model 's flight velocity is 4.8 ~ 5.7km / s , and the chamber 's pressure is 10 ~ 80mmHg .

罗班表示，在飞机下降的8分钟里乘客们可能不知道发生了什么事，他们可能直到飞机撞山前一刻才意识到这一悲剧，此时这架空客A320的飞行速度为700千米/时（435英里/时）。

Mr Robin said the passengers were probably not aware of what was going on during the eight-minute descent until shortly before the impact , at which point the Airbus A320 was travelling at 700kph ( 435mph ) .

测量误差约为5%，模型飞行速度5.0～5.5km／s，靶压10～80mmHg。

The error of measurement is about 5 % . The model 's flight velocity is 5.0 ~ 5.5km / s , and the chamber 's pressure is 10 ~ 80mmHg .

对等离子体的飞行速度进行了理论模拟，但由于我们的实验是在3Pa气压下做的，而理论模拟是在真空环境中，所以理论值与实验值符合的不是很好。

However , because the ambient pressure in our experiment is 3 Pa , the calculation corresponds vacuum , therefore the calculated value of velocity is not fit very well with that of experiment .

U8E最高飞行速度一小时150公里，续飞时间四个小时，航程150公里（从操作员）和负载40公斤（88磅）。

The U8E has a top speed of150 kilometers an hour , endurance of four hours , range ( from operator ) of150 kilometers and a payload of40 kg ( 88 pounds ) .

针对空间目标飞行速度快、轨道高度高、真假目标伴随运行等的特点，空间探测相控阵雷达（SSPA）应该具有作用距离远、测量精度高的特点，并具有相应的多目标识别能力。

Targets in space are characterized by fast flying velocity , high orbit and usually traveling with false targets . Accordingly , a Space Surveillance Phased Array ( SSPA ) radar should have a far instrumentation range , high measurement precision and the ability to identify multiple targets .

这家飞机的飞行速度是那架的两倍。

This airplane flies two times as fast as that one .

计算了熔滴的飞行速度和对工件表面的冲击力。

The droplet flying velocity and its impact force are calculated .

此外，彗星的飞行速度更快，体积也更小。

Comets are also smaller , and move a lot faster .

基于六天幕靶弹丸弹道末端飞行速度的测试

The Velocity Measurement of Projectile in End-Trajectory with Six-Sky-Screen System

低速弹飞行速度识别的一种方法

A new method of flight velocity recognition of low-velocity projectile

冲压式舵机自振参数随飞行速度变化规律的仿真

Simulation on Ram-air Rudder Vibration Parameters Change With Flight Speed

它飞行速度缓慢，在无风环境下时速只有70千米。

It will fly slowly , only at about70kph in windless conditions .

其工作状态直接影响飞机的飞行速度、战术性能的发挥及飞行安全。

Its working state affects the flight velocity , tactics performance and flight security .

再入初始飞行速度与弹道倾角；

Initial reentry velocity and trajectory inclination angle ;

另外，由于片梭质量小，可以提高飞行速度。

Also , because the mass is low , the speed can be increased .