At first the ballistic model of rocket projectile vertical launch is established, then it researches lift-to-drag ratio and influence of the angle of flight path on the firing range. 首先建立了火箭弹垂直发射的弹道模型,然后研究了升阻比、弹道倾角等参数的变化对火箭弹射程的影响,并分别对这两种情况进行了仿真。
Game controls: control the direction of the mouse, mobile rocket issued mouse adjustable angle of flight. 游戏操作:鼠标控制方向,火箭发出后移动鼠标可调整飞行角度。
One ornithologist had devised a formula to compute the ratio of domestic to pure-strain wild turkey in an individual bird by comparing the angle of flight at takeoff and the rate of acceleration. 有个鸟类学家设计了一种计算公式,对家养火鸡和纯种野火鸡进行起飞角度和加速度的比较。
The Viewing Angle of Portfolio Theory: Empirical Research for Influence Factor to Capital Flight in China 资产组合理论视角:我国资本外逃影响因素的实证研究
The same considerations apply to the correct banking angle of a plane when it makes a turn in level flight. 当水平飞行的飞机转弯时,同样应有一定的倾斜,倾斜角的大小可按与上面相同的考虑来决定。
Instead, they had their eyes glued to the cockpit instrument panel, which showed key information such as airspeed, altitude, angle of flight, and fuel and oxygen supply. 相反,他们粘在驾驶舱仪表板,这表明,如空速,高度,飞行角度的关键信息,以及燃料和氧气供应他们的眼睛。
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。
It is very important to study high angle of attack flight and control laws that can enhance grapple ability of new supersonic fighter under the condition of post-stall supermaneuver. 研究大迎角飞行以及大迎角控制律,是提高新一代超音速战斗机过失速超机动格斗能力的重要方面。
By means of neural network controller, simulation based on high angle maneuver is given which shows the potential of this kind of neural network as nonlinear adaptive controller in flight control. 仿真结果显示了神经网络作为非线性自适应控制单元在飞行控制方面所具有的潜在能力。
Whether the distribution of blade induced velocities along the radius can be assumed to be independent of the blade pitch angle of rotors in blade element theory, even for vertical flight; 叶素理论(即使在处理垂直飞行问题时)中沿半径的诱导速度分布能否认为独立于桨叶安装角分布;
The results showed that the calculated depth of base, top width and spiral angle of flight at the start and end of the melting zone for extruder screw were in or close to the ranges recommended in literatures 结果表明,计算所得熔融段起、末端的螺槽深度、螺纹顶宽度和螺纹升角均位于或接近文献中所建议的最佳取值范围
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。
A method of fuzzy control for high angle-of-attack flight 一种飞机大仰角飞行的模糊控制方法
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。
Based on this, the method that determine the AOA indirectly by measuring the pitch angle and estimating flight track angle is proposed. The problem of measurement of AOA in stall speed flight test of Y-7 aircraft is solved. 本文针对这一事实提出了用直接测定姿态角加计算航迹角间接确定飞机迎角的方法,解决了Y&7飞机失速试飞中的迎角测量问题。
High angle of attack wind tunnel test techniques is necessary for development of high-maneuverability flight vehicles. 大迎角风洞试验技术是先进高机动飞行器研制必需的关键技术。
The integrated flight/ thrust control system with constant angle of attack can significantly improve the aircraft maneuverability. It will enable the flight path to respond to the change of attitude speedily and accurately. 迎角恒定的飞行/推力综合控制能明显地改善飞机机动能力,使飞行轨迹对姿态有快速精确响应。
In this paper, from the angle of the development of the flight mechanics software system of tactical missiles, the design idea is presented. 从战术弹飞行力学软件系统的设计开发角度,提出了软件系统的设计指导思想。
Analysis and Simulation of Large Pitch Angle Oscillation of a R. P. V. in a Flight Test 无人机试飞中俯仰角大幅度振荡问题的分析与模拟
To meet the needs of the intersection accuracy and images automatic matching, and based on the fact that angle of view of current aerial digital camera is small in flight direction, the paper discusses the necessity and significance of photogrammetry based on high overlap images and Multi-Baseline. 根据交会精度与影像匹配自动化的需要,与当今航空数码相机沿航线方向视场角偏小的事实,阐述了大重叠、多基线摄影测量的必要性及其现实意义;
Making an example of a high-gain CAS ( Control Augmentation System), this paper deals with the design of main parameters of a CAS and the rela-tion between these parameters and an aircraft flight character, from the angle of flight mechanics. 本文从飞行力学的角度出发,着重以高增益控制增稳系统为主来讨论控制增稳系统的主要参数的设计及其同飞行品质的关系问题。
Measuring the attack angle of insect wings in free-flight 昆虫自由飞行时翅膀攻角的光学测量
According to the flight law of the towing plane, the fin deflection angle and amplification coefficient of particle-system trajectory of carrier rocket are designed, in order to realizing flight steadily of the carrier rocker. 再根据载机的飞行规律,对运载器质点系轨道的舵偏规律及其放大系数进行了设计计算,实现运载器稳定牵引飞行。
Use of optimum estimation to calculation angle of attack measurement error from flight test data 用最优估计法从飞行试验数据估计飞机迎角及测量误差
Influence of the dislocation angle and deviation angle of penetration on the initiating probability and instantaneity of A-A projectiles in flight 对空射击失调角和贯穿偏角对起爆概率和瞬发度的影响
Standing on the angle of the carrier, due to the complexity of the aviation industry it will also look at the Air Transport breach of contract. In fact, flight delays can also cause the company cost burden. 同时也将站在承运人的角度去看待航空运输合同的违约,由于航空业的复杂性,航班延误其实对于承运人来说也会造成公司成本负担。
Also based on the assumption of zero angle of attack, establish the missile simple flight attitude of the calibration model, and contrast the precision of the models through simulation. 同样基于忽略攻角假设,建立了弹箭简易飞行姿态标定模型,并通过仿真对比两种模型精度。
From the take-off angle and friction factor of the ground, movement of legs during flight phase and the impact when landing, stability of robot is analyzed. 从起跳过程角度和摩擦力的影响,腾空阶段收腿的作用和落地后震荡情况等因素分析机器人的稳定性。
Following conclusions were obtained. In a situation that the flight of rocket filled with small liquid mass is stable, because the attack angle and the excited amplitude to liquid within container are small, so the influences of liquid sloshing to rocket flight ballistics are also small. 结果表明,对腔内所充液体量较小的飞行稳定飞行器,其飞行攻角小腔内液体的激励幅值小,因而液体晃动对飞行器弹道的影响也较小。
The ballistic flight used gliding flight is a way to increase the range of rocket, but because of the constraint conditions included the flight Mach number, running time of engines and the angle of emission, make the ballistic characteristics of ballistic flight become very complex. 采用滑翔弹道飞行是一种增加火箭弹射程的方法,但由于受到飞行马赫数、发动机工作时间和发射角度等条件的约束,使得滑翔弹道的弹道特性变得很复杂。