The array is of simple structure, low sidelobe level and circular polarization characteristics.
该天线结构简单，具有低旁瓣与圆极化特性。
The paper describes a kind of circular polarization feed, which is used for shaped beam antenna.
本文介绍了一种赋形波束天线用的圆极化馈源。
A new type of dual circular polarization ultra-wide-band 8 ports beam forming network is proposed in this paper.
提出了一种新型宽带8路双圆极化和差波束形成网络，推导了网络的基本原理并给出了设计实例。
In this paper, technologies of dual-band, circular polarization, high gain, broadband and wide-beam have been studied.
本文对微带天线双频、圆极化、高增益、宽频带和宽波束技术作了一定的研究。
Under certain axis ratio bandwidth, the circular polarization axis ratio of the optimized cross dipole antenna can reach 1.
在一定轴比带宽条件下，优化后的十字振子天线正交方向上圆极化轴比可以达到1。
A satellite antenna characterized by wide-beam, wide-bandwidth and microwave right-hand-circular polarization was designed.
设计了一种宽波束、宽带宽的右旋圆极化卫星天线。
One of the focuses on the research of the satellite navigation receiver antenna is that of circular polarization and broadband.
具有圆极化和宽频带特点的宽带导航接收天线成为近年卫星接收天线研究的热点之一。
The researchers next plan to measure circular polarization in other organisms, and to analyze circular polarized light reflected from Mars.
研究人员的下一步计划是在其它生命体中测量圆偏振，并且分析从火星上反射来的圆偏振光。
The test results demonstrate the circular polarization degree of output light of this optical circular polarization modulator is above 99.9%.
最后的光圆偏振度测试结果表明，本论文设计的调制器输出光的圆偏振度高达99.9%。
Firstly, the requirements of the parameter for the dual-band, common-caliber, wide beam-width and circular polarization antennas are presented.
首先，文中阐述了车载双频段、共口径、宽波束圆极化微带天线的设计要求。
The excitation network comprises hybrid elements so as to introduce a certain phase shift between the radiating elements allowing a dual circular polarization.
激励网络包括混合元件以在辐射元件之间引入某相移，以允许双圆极化。
The second research of the thesis is to design a double-patterns four-arm plane spiral antenna with the background of wideband circular polarization plane antenna's technology.
论文的第二个研究工作是以超宽带圆极化平面天线为研究背景，设计了一个双模四臂平面螺旋天线。
The second research of the thesis is to design a double-patterns four-arm plane spiral antenna with the background of wideband circular polarization plane antenna's technology.
论文的第二个研究工作是以超宽带圆极化平面天线为研究背景，设计了一个双模四臂平面螺旋天线。
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