In parafoil system equipments for measurement and control are normally settled on recovery.
翼伞系统的测量及操纵设备通常安装在回收物上,为了实现翼伞系统的精确控制归航,分析了回收物和伞体之间的相对运动情况。
Based on the characters of parafoil homing trajectory, Serret-Frenet frame was used to describe the shortest distance from the current position to the trimming trajectory.
基于翼伞系统归航轨迹的特点,采用Serret-Frenet坐标系表示距离“平衡”轨迹的偏差,得到线性时不变的误差运动方程。
In this paper, based on analysis of parafoil opening properties, two-dimensionalopening model of parafoil is presented, canopy radial equation of motion is established.
本文分析了冲压式翼伞开伞的特点,提出了一个展弦向二维开伞模型,建立了伞衣的径向运动方程。
Research on the Control Method of Parawing Posture of the Kite Generator;
风筝发电机翼伞姿态控制方法的研究
Numerical Simulation of Ram-Air Parachutes with Flap Deflection;
冲压式翼伞后缘下拉气动特性的数值研究
Position Prediction of Parafoil in Control Rope Pulling Course
翼伞空投操纵绳拉动过程中的位置解算
Along Broadway men picked their way in ulsters and umbrellas.
在百老汇大街上，人们都身穿长外套，手擎雨伞，小心翼翼地走路。
Impossibility of using the delta, para and surf if we are morphed.
当被变形后将不能使用滑翔翼，降落伞和冲浪板。
a small parachute or articulated flap to reduce the speed of an aircraft.
降低飞行器飞行速度的小降落伞或连接的副翼。
The Wind Tunnel Test Technique and Aerodynamic Characteristics Evaluation Research on Ram Air Parawings;
翼型伞风洞测力技术及工程估算方法研究
He sketched dozens of propeller-driven helicopters, parachutes, and ornithopters with flapping wings,
他设计了几十张靠螺旋桨驱动的直升机、降落伞和扑翼飞机草图，
Soaring birds and gliding wings were keys to the design of the first successful human-powered aircraft.
翱翔着的飞鸟和滑翔用的伞翼，是这架空前成功的人力飞机设计之关键。
To descend by means of a parachute.
跳伞，伞降用降落伞下降
parachute back pack
降落伞之后挂包、主伞包
parachute front pack
降落伞之前挂包、副伞包
The umbrella keeps the rains off the user.
雨伞使撑伞人免受雨淋。
To engage in the sport of skydiving.
参加延缓张伞跳伞运动.
To deliver by parachute.
伞投，空投用降落伞投放
A parachute, such as one for pilots or skydivers.
降落伞飞行员或跳伞者的降落伞
Resembling, containing, or composed of wings or alae.
翼状的，有翼的象翼或翼瓣的，包含翼的或翼瓣，由翼或翼瓣组成的
Having, forming, or of the nature of an umbel.
具有伞状花序的，形成伞状花序的，伞状花序的
