抛物面天线的效率和增益完全取决于实现这些要求的程度。
Efficiency and gain of a parabolic antenna directly depend on the degree of accomplishing of these demands.
最后进行了碳纤维抛物面天线反射器的真空冷热交变试验。
Finally, a thermal cycling test completed in vacuum on a carbon fibre parabolic antenna reflector is also deseribed, and the results of the measure…
本文提出了大型抛物面天线结构风振响应分析的随机振动方法。
The random vibration method for the analysis of large parabolic antenna structure response to wind load is proposed in this paper.
接着求出口径上的电磁场,进而归纳出抛物面天线口径场的四大共同特征。
Next the electromagnetic field on aperture was found, and then proceeded to sum up five common features of aperture field of parabolic antenna.
因此,研究抛物面天线等高频天线之间的电磁耦合成为迫切需要解决的难题之一。
Therefore, it has been one of the difficult problems which are urgent to solve that the study of electromagnetic coupling between high-frequency antennas such as paraboloidal antennas.
这里介绍的一种自动折叠抛物面天线,可以进行快速架撤,满足雷达高机动要求。
In this paper, one kind of auto-folding paraboloid antenna is studied. It can be set up and folded quickly in order to satisfy the requirement of high maneuverability of radar.
分析了偏角馈入抛物面天线远旁瓣回波产生的机理,并经实验验证了远旁瓣回波的存在。
The generation of far side lobe echoes for offset parabolic antenna is analysed in this article, and the experiments have proved the existence of far side lobe echoes.
具体分析了大型园抛物面天线结构在随机风载和结构自身随机参数影响下的表面精度可靠性。
The analysis of the surface precision reliability of a large parabola antenna structure with random parameters, which is subjected to wind load, is presented.
随着近代微波通讯、卫星通讯以及航天技术的迅猛发展,抛物面天线扮演着日益重要的角色。
With the rapid development of modern microwave communication, satellite communications and space technology, parabolic antennas are playing a more and more important role.
但是,由于现代社会对通讯系统灵活机动的要求,传统的抛物面天线笨重、体积庞大的劣势已经日益显现。
However, according to the requirement of modern society for the flexibility of communication systems, parabolic antennas become get into trouble because of their traditional heavy, bulky structure.
本文首先分析了焦平面阵列馈源横向偏焦产生多波束的原理,并采用面电流法对偏焦抛物面天线方向图进行了编程计算。
Based on the principles that lateral offset-focus feed makes the antenna pattern deflect an angle, the multi-beam antenna can be used in passive imaging system.
为了处理某些固体产生的多尘环境,罗斯·蒙特5600还可以在其最有价值的属性-抛物面天线上配备PTFE保护盖。
To handle the dusty environment that some solids generate, the Rosemount 5600 can also be equipped with a PTFE protective cover around its most valuable attribute, the parabolic antenna.
结论显示:偏角馈入抛物面天线较中心馈入抛物面天线在抑制远旁瓣方面有优势,在做低仰角扫描时不会产生远旁瓣回波;
It is concluded that an offset feed parabolic antenna has the advantage in side lobe suppression over central feed parabolic antenna.
该文讨论了全息法测量天线面表面精度的基本原理和实现方法,这种测量方法对于测量各种大型抛物面天线具有普遍意义。
This paper describes the basic theory and method of holography which is used to measure the accuracy of the antennas surface.
本文对栅条式旋转抛物面天线的技术要求、基本结构、关键技术、制造工艺等问题作了详尽分析,提供了一些有实用价值的方法。
This paper analyzes technical requirements, basic structure, key technology, manufacturing process of grid strip revolution paraboloid antenna , and provides some valuable methods.
桑德日斯多姆高层大气科学研究所(SondrestromUpper Atmospheric ResearchFacility)拥有一个32米宽的雷达抛物面天线反射镜(radar dish),它可以检测到从海拔60公里至600公里的传导性并有助于详细说明尖端的电路结构。
The Sondrestrom Upper Atmospheric Research Facility has a 32-metre-wide radar dish. It measures conductivity from an altitude of 60km to600km and has helped define the cusp's circuitry.
桑德日斯多姆高层大气科学研究所(SondrestromUpper Atmospheric ResearchFacility)拥有一个32米宽的雷达抛物面天线反射镜(radar dish),它可以检测到从海拔60公里至600公里的传导性并有助于详细说明尖端的电路结构。
The Sondrestrom Upper Atmospheric Research Facility has a 32-metre-wide radar dish. It measures conductivity from an altitude of 60km to600km and has helped define the cusp's circuitry.
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