毫米波介质透镜天线是一种高方向性的口径天线。
Millimeter-wave dielectric lens antenna is a kind of aperture antenna with high directivity.
主要分析了介质透镜天线和卡塞格伦天线在毫米波探测系统中的使用。
Mainly analyzing the using of dielectric lens antenna and cassegrain antenna in MMW detection system.
通过改进型的透镜设计，补偿了传统COBRA透镜天线的相位误差。
The improved COBRA lens horn compensated phase error with a modified COBRA lens.
本论文应用红外热成像技术，对毫米波介质透镜天线的焦斑焦距进行了测量。
By infrared thermal imaging techniques in this thesis, the focal spot size and focal length of this dielectric lens antenna are measured.
在圆柱面上进行一维菲涅尔区相位修正结构设计，可以构成一类新型的点源馈电透镜天线。
The one-dimensional Fresnel zone phase correcting principle can be applied in a cylindrical surface to constructed a new type of point source feeding lens antenna.
龙伯透镜天线是一种球形的分层介质透镜天线，其主要特点是能够把入射波聚焦到球表面一点。
Luneberg lens antenna is a spherical layered medium lens antenna, and its main feature is its capability of focusing the incident wave to a point on the spherical surface.
本文采用将高斯波束法，射线追迹和矢量衍射积分相结合的方法来分析单波束的点聚焦透镜天线。
We adopted Gaussian beam, ray tracing and vector diffraction integration together to analyze single beam spot-focusing lens antenna.
应用高功率微波大气传输机理和等离子体物理理论，提出了一种新概念天线等离子体有源透镜天线。
Applying the mechanics of the propagation of high power microwave in atmosphere and the theory of plasma physics, a sort of new conception antenna-active lens antenna based on plasma is put forward.
本文的主要任务是针对提高毫米波无源成像系统的分辨率和减小成像时间而设计一个多波束透镜天线。
Main task of this dissertation is designing a multi-beam lens antenna to both improve the resolution and reduce the imaging time of the passive millimeter-wave imaging system.
依据归纳法并结合作者的工作提出了开展此项研究在理想透镜天线、相移器、平衡器、耦合器等应用。
According to induction and the work of authors, the potential applications in perfect lens antenna, phase-shifting line, balancer and coupler were given.
最后，通过仿真研究了加地板的半球透镜天线形式，在不降低增益的情况下相比全球透镜而言减小了天线的纵向尺寸并且安装方便。
Finally, the kind of hemisphere lens with metal ground is studied through numerical simulation. As compared to the whole sphere lens, it is easy to install and the size of antenna is reduced.
最后，通过仿真研究了加地板的半球透镜天线形式，在不降低增益的情况下相比全球透镜而言减小了天线的纵向尺寸并且安装方便。
Finally, the kind of hemisphere lens with metal ground is studied through numerical simulation. As compared to the whole sphere lens, it is easy to install and the size of antenna is reduced.
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