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。

The product of X-band couple circular polarization feed is researched in order to exploit the oversea market.

介绍的X波段收发共用双圆极化馈源是为了拓展海外市场新研制开发的产品。

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。

The optical properties of circular polarization filters made of cholesteric liquid crystal thin films are investigated.

研究了胆甾相液晶薄膜滤光器的光学性质，给出了这种薄膜的制作技术。

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。

Circular polarization microstrip antenna has many excellent properties, which in wireless applications play an important role to play.

圆极化微带天线具有很多优良的特性，因而在无线应用中扮演着十分重要的角色。

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。

In the methods, single feed, more feed and several patches consisting circular polarization are used to feed the antenna and improve the impendent or ar bands.

这些方法分别采用单点馈电，多点馈电或多元组合实现圆极化，均有效拓展了圆极化天线的阻抗匹配带宽和圆极化轴比带宽。

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。

Circular polarization is one of microwave equipment with broad application. its the mostly function is switch linearly - polarized wave into circular polarized wave.

圆极化器是应用广泛的微波器件之一，其主要功能是将线极化波转换成圆极化波。

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。

This paper proves representatives of E and H to radiation field producing by low-velocity uniform Circular motion charge in vacuum and then discusses various states of polarization to radiation field.

推证出了真空中带电粒子做低速匀速圆周运动时辐射波的E、H表示式，并讨论了辐射波的各种偏振状态。

Zero drift caused by differential polarization loss can be eliminated, while caused by differential direction loss and magnetic circular dichroism loss can not be eliminated.

结果表明，偏振差损的影响可以消除，而方向和磁圆二向色性差损无法通过改变磁场和失谐频率消除。

In the case of the te mode (the polarization direction along to the slit), the transmission characteristics are the same as that of the single sub-wavelength metallic circular hole.

而TE模式下(太赫兹波偏振方向平行于狭缝)，太赫兹波段金属亚波长狭缝的透射规律与单个金属亚波长圆孔相同。

Such a non-circular shape will alter the birefringence property of the fiber and influence the polarization behavior of the laser.

这种非圆形结构会改变光纤双折射特性，从而影响输出激光的偏振特性。