A novel lens horn antenna is presented using a flat metamaterial lens based on the zero refraction principle of metamaterials. 根据异向介质零折射特性,设计出一种平板结构的异向介质,由该异向介质构成了一种新型的透镜喇叭天线。
Another antenna which is conical horn with a metal plate lens radiates linear polarized wave. 本文同时对加平行板的圆锥喇叭进行了研究,其特点是辐射线极化波。
The horn antenna, the microstrip transition and the dielectric arc lens are integrated into a single substrate, resulting in a very compact integrated planar antenna. 采用简单的微带馈电方法,而且喇叭天线,微带馈线以及圆弧介质都集成在同一介质基片上,构成了一个紧凑的具有较高集成度的平面天线。
Aiming at the deficiency of validity of catching targets in single beam spot-focusing lens antenna, applying to ballistic wake microwave interferometer, a multi-beam spot-focusing lens antenna is mainly considered to design in this paper to augment the range of catching and enhance probability of hitting the target. 本文的主要任务是针对弹道靶尾迹微波干涉仪里的单波束点聚焦天线的捕捉目标的有效性能的不足而考虑设计一个多波束点聚焦天线,以增大捕捉范围和提高中靶率。
When used in combination with a planar phase array antenna, the lens makes it possible for the single planar phased array antenna to achieve the capability of beam scanning for hemispherical coverage. 当这种透镜与平面相控阵天线组合使用时,则可使单个平面相控阵天线波束获得半球空域的扫描能力。
Based on geometrical optics theory, the operation principle of COBRA lens antenna was described and a conventional lens horn was designed. 运用几何光学理论解释了COBRA透镜天线的工作原理,设计了一种喇叭型的传统透镜天线。
In this thesis, a kind of wide-scan antenna based on homogeneous cylindrical dielectric lens is proposed here. 本论文提出了一种基于均匀介质柱透镜的大角度多波束扫描天线。
The ellipsoid lens antenna in this paper is different from lens antenna and rotating dish antenna, it has dual focus structure, can focus the energy from one focusing point to another focusing point. 本课题所研究的椭球天线不同于透镜天线、旋转抛物面天线等,它具有双焦点结构,能够将来自一点的能量聚焦于另一点。
Based on the design scheme of the base station antenna adopted, analyze and design the horn, reflector, lens, and achieve circularly polarized radiation beam with width of three requirements. 针对采用的基站天线设计方案,进行喇叭、反射板、透镜的具体分析设计,,以便实现辐射三种宽度的圆极化波束的要求。
The research on the interaction of electromagnetic wave with plasma and plasma photonic crystals, which is array composed of alternating thin plasma and dielectric material, may be have a practical value about plasma stealth, plasma antenna, plasma lens and microwave filters. 研究等离子体及其光子晶体的电磁特性对于利用等离子体实现隐身,开发等离子体天线、等离体透镜、微波滤波器等具有指导意义。