系留气球

To stability analysis of the tethered balloon, A three dimensional nonlinear mathematical model of tethered aerostat was assembled.

摘 要：为研究系留气球稳定性，建立了系留气球的三维非线性动力学模型。

The composition and function of tethered aerostat system is introduced on the basis of analyzing the overall requirements of tethered aerostat system –bome radar.

系留气球是一种应用广泛的空中平台，本文在讨论搭载雷达系留气球系统总体需求的基础上，介绍系留气球系统的组成和功能，总结系统总体设计中涉及到的关键技术，并对关键技术的解决措施进行分析。

Tethered aerostat borne radar system is an integrated information system,in which the tethered aerostat is the carrying platform and the radar is the mission system.

系留气球载雷达系统是以系留气球为搭载平台，以雷达为任务系统的一种综合信息系统，在军事和民用领域有着广阔的应用前景。

Tethered aerostat doesn't have dynamic devices, and it suspends on the upper space by buoyan -cy and cable' pull.

系留气球不具有动力装置，靠浮力和缆绳的拉力作用悬浮于高空中。

This paper first analyses the stress acting on the cable by means of tiny segment analytical methods, establishes cable's stress equation, and finds out the relation between the tethered aerostat's position and its stress acting by cable; then, based on the momentum and moment of momentum theorem, the longitudinal nonlinear dynamic equation is established; Finally a numerical simulation of dynamic responses of the balloon and cable to gust are carried out.

本文首先通过微段分析法对缆绳进行受力分析，建立缆绳的受力方程，找出了系留气球在空中的位置同系留气球所受缆绳拉力的关系；然后根据动量和动量矩定理建立了球体的纵向非线性运动方程；最后通过数值仿真计算，对系留气球的纵向动态响应特性进行了分析。

This paper introduces emphatically the technology of oversea tethered balloon-borne surveillance radar system, its developmental status and applications,differends units of this system.

一、引言系统均是采用的系留气球。进入80年代以来，随着军事技术、战术理论以及常规武器现代化的发展，各国均十分重视发展本国的远程监视雷达系统。

An elongated tethered balloon or blimp with cables or net suspended from it to deter low-flying enemy planes.

有悬浮的为了阻止敌人的低空飞机的电缆或网的拉长的系留气球。注意，注意力集中

This paper introduces the global positioning system,analyzes the characteristics of GPS signal,puts forward a kind of new floating GPS jamming means,gives out the realization theory of captive balloon -borne GPS jamming system.

介绍了全球定位系统，分析了GPS信号的特点，提出了一种新的浮空GPS干扰手段，给出了系留气球载GPS干扰系统的实现原理。

In this paper, the structure characteristics of atmospheric boundary layer have been studied over Lanzhou in winter by combining numerical simulation method with analysis of the data which was observed by sounding balloon during the collaborative project "Study on air pollution and countermeasure in Lanzhou" supported by Gansu Government and Chinese Academy of Sciences.

本文利用甘肃省政府和中国科学院的科技合作项目"兰州市大气污染及对策研究"所获得的系留气球探空资料，并且结合数值模拟方法，对兰州市冬季大气边界层温度场特征进行了对比分析，结果表明：在没有特殊天气过程的典型冬季代表性时段，山谷城市兰州逆温边界层结构无论白天或夜间都存在，而且经常出现多层逆温和白天的脱地逆温情况，只有当冷空气过境时，逆温现象才减弱或消失；与观测结果相比较可以看出，数值模拟结果基本上反应了温度场的主要特征。

Some balloonists talked of using captive ', ballons from ships.

一些气球飞行家曾提到在舰上使用系留气球的问题。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失