1)  Stratospheric airship
平流层飞艇
1.
Recent development plan and research progress of stratospheric airship in USA are analyzed in this paper.
分析了美国近期平流层飞艇的发展计划和研制进展。
2.
This paper described and analyzed the characteristics of stratospheric airship,presented stratospheric airship s six-degree-of-freedom nonlinear dynamic model,and gained the state-space expression by linearizing the nonlinear model.
文中描述分析了平流层飞艇的特点,建立了飞艇的六自由度数学模型,并对其进行了线性化,获得了状态空间表达式,对得到的线性系统进行了特性分析,并将纵向运动划分为三个模态。
3.
Firstly,the kinematics model and dynamics model of the stratospheric airship are built utilizing mechanical theory,as well as propeller s model,rudder s model and aerodynamic force model.
首先,利用力学原理,建立了平流层飞艇动力学模型和运动学模型、螺旋桨推力模型、舵模型和气动力模型;其次,以水平直飞为基础运动,分析了飞艇速度和角速度状态对发动机转速输入和舵偏角输入的响应,从而得到近似的线性传递函数模型结构;第三,应用最小二乘递推算法对模型参数进行了辨识。
2)  Stratosphere airship
平流层飞艇
1.
Stratosphere airship has received a heightened research focus for its potential applications in telecommunication,space observation,military surveillance,and so on.
平流层飞艇依靠艇载自主光伏发电系统摄取太阳辐射能来达到长期自主飞行和悬停,可应用于无线通信、空间观测和军事侦察等领域,成为当前各国研究的热点之一。
2.
Stratosphere airships can be utilized as platforms for telecommunications,space observation,atmosphere measure and military surveillance.
本文主要结合平流层的环境特点对平流层飞艇动力推进系统的组成和概念进行初步分析,并对飞艇在升空、浮空、回收过程中的飞行控制策略进行探讨,同时简要分析了控制系统的组成、控制难点和飞艇应急控制问题。
3.
Based on the concept of aperture synthesis sparse antenna,the imaging radar on the stratosphere airship for the earth observation is investigated.
基于稀疏综合孔径天线概念,研究了平流层飞艇载对地观测成像雷达系统中的重要问题。
3)  stratospheric airships
平流层飞艇
1.
As a new communication and observation platform,stratospheric airships draw more and more attention of the world.
平流层飞艇作为一种新型的通信和观测等应用平台受到世界各国越来越多的重视,定点保持模式是平流层飞艇的飞行任务中很重要的一环。
4)  stratospheric platform airship
平流层飞艇平台
5)  advection
平流
1.
The result shown that the cold(warm)advection and convergence(divergence)in the velocity data were interrelated with the formation,maintenance,and disappearance of the snow-fall.
结果表明:速度资料中的冷(暖)平流和辐合(散)与降雪的形成、维持和消散关系密切。
2.
The contribution of the tidal flat and tidal currents advection to the generation and growth of M4 tidal component isanalyzed by using a numerical modelling in a ideal semi-enclosed rectanglular bay.
通过半封闭矩形理想海湾的潮波运动数值模拟，分析了潮滩及平流效应对M4分潮的生成和增长的影响。
6)  stratosphere
平流层
1.
Longitudinal aerodynamic modeling and design of state observer for stratosphere verifying airship;
平流层验证飞艇纵向动力学建模及其状态观测器设计
2.
Temporal and spatial features of atmospheric methane and its relation to ozone variation in the stratosphere;
平流层CH_4的时空变化特征及其与O_3的关系
3.
Space-time feature analysis of temperature variations in the stratosphere;
平流层各层温度变化的时空特征分析
参考词条
补充资料：充气飞艇
分子式：
CAS号：

性质：用胶布制成的充气艇。供在沙漠沼泽地带、山区等低空运输用，以解决上述地区无法行车的困难。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。