Complicated mathematical relations exist between beam direction angle and mechanical angle of the antenna pedestal in Cassegrain antenna system discussed in this paper. 文中介绍的卡塞格伦天线系统中,波束指向角度和天线座机械角度有着复杂的数学关系。
Cassegrain antenna is a kind of dual-reflector antenna, with characteristics of high-gain, narrow-beam, suppressed side lobes and agility in designing. 卡塞格伦天线是一种双反射面天线,其特点是高增益、锐波束、低旁瓣、设计灵活。
Effect of structural distortions all over the Cassegrain antenna system on its electrical performance 卡塞格伦天线结构全系统变形对电性能的影响
Study on and Analysis of the Relations between Beam Direction and Mechanical Angle of the Antenna Pedestal in Cassegrain Antenna 卡塞格伦天线系统中波束指向角度和天线座机械角度关系的研究与分析
The Adjustment Method of Optimal Match for Modified Cassegrain Antenna 修正型卡塞格伦天线最佳匹配调整方法
Loads distort every component of the structure of the Cassegrain antenna system. 载荷使卡塞格伦天线结构的每个部分发生变形。
Drawback of Cassegrain antenna system based on space optical communication 基于空间光通信卡塞格伦天线弊端的探讨
3-D Contour Technique for Curved Surfaces in FDTD Method and Its Applications to Cassegrain Antenna System 时域有限差分法的三维曲面共形技术及其应用于卡塞格伦天线系统
Research on Inverse Cassegrain Antenna with Polarization-Rotation at Millimeter Wavelengths 毫米波极化正交变换倒置卡塞格伦天线研究
A few problems of designing shaped subreflector Cassegrain antenna 副面修正卡塞格伦天线设计中的几个问题
This economical reformation has evident effect, and is technically feasible so that it is easy for a large number of microwave stations adopting classical Cassegrain antenna to improve communication quality and get instant results. 这种改造在经济上是价廉的,在效果上是显见的,在技术上是可行的.对现行大量采用经典卡氏天线的微波站的通讯质量的提高容易收到立竿见影的效果。
The Design of Low-Sidelobe Cassegrain Antenna Using Resistive Hyperboloid 用有一定电阻的双曲面设计低旁瓣卡塞格伦天线
To improve the wide-angle scanning properties of the satellite antenna, we concentrate on the shaping of the main reflector of the Side-Fed Offset Cassegrain ( SFOC) antenna by the method of the ray tracing and the idea of the optimization. 为改善星载天线的宽角扫描特性,采用射线追踪的方法,通过优化的思想对侧馈偏置卡塞格伦(SFOC)天线的主反射面进行了面赋形设计。
Near Field 'Distribution of a 2-D Cassegrain Antenna System 二维卡塞格伦天线系统的近场分布
Effects of random surface errors on radiation characteristics of the side-fed offset cassegrain antenna 表面误差对侧馈偏置卡塞格伦天线辐射场的影响
The design and analysis of a low sidelobe Cassegrain antenna using resistive hyperboloid are presented in detail. The surface resistivity of hyperboloid can be expressed in terms of the target low sidelobe aperture distribution. 本文用沿径向有阶梯变化的表面电阻的双曲面来设计低旁瓣卡塞格伦天线,给出了双曲面表面电阻值与所需的低旁瓣口径场分布理论值的关系式。
Abstract In this paper, it is proposed, on the basis of author's previous theory and practice work, to reform the classical Cassegrain antenna which is widely used in microwave relay station in our country. 本文在作者已经获取的理论与实践成果基础上,提出对我国微波中继站现行广泛应用的经典卡塞格伦天线进行技术改造的意见。
Millimeter-waves inverse Cassegrain antenna with polarization-rotation, efficient wide scan angle, light weight and small size, which is used in modern radar systems, is studied in this paper. 本文旨在研究毫米波极化正交变换倒置卡塞格伦天线,它主要应用于小尺寸轻质量的广角扫描雷达系统中。
In this dissertation, the operation principle and the relations of geometrical parameters of a standard Cassegrain antenna are analyzed by using the geometrical optics method; 本文采用几何光学法,说明标准卡塞格伦天线的工作原理,分析其几何参数关系;
The Optimum Design of 8mm lower Sidelobe Cassegrain Antenna 八毫米低副瓣卡氏天线的优化设计
A microstrip array antenna is designed and manufactured to work as the feed of the Cassegrain antenna system. 研制了一个用作卡塞格伦天线系统的馈源的微带天线阵。
A fast scanning mm-wave monopulse antenna was realized by using Cassegrain antenna with twist-reflector, four horn feed and waveguide hybrid-ring sum and difference network. 采用极化扭转式卡氏天线、四喇叭馈源和波导混合环式和差网络实现了8mm波快速扫描单脉冲天线。
The present backfire Cassegrain antenna has an aperture of 11.7 λ and operates at Ka-band. The antenna can be used in conical scan with-3d B of cross over. 现介绍的背射馈源卡氏天线其口径为11.7λ,工作于Ka波段,通过组合馈源的偏置实现了-3dB波束交叉的圆锥扫描。
Medium mirror is applied for high-reflective film at Cassegrain optical antenna. Cassegrain antenna efficiency is analyzed with primary and secondary mirror size changing, and a new type Cassegrain antenna is put forward, which can solve the secondary mirror blocking waste. 采用周期性介质作高反射膜应用在卡塞格伦光学天线上,分析了主、次镜的大小对效率的影响,提出了解决次镜遮挡损耗的一种新型结构卡塞格伦光学天线。
Because paraboloid antenna can be seen as the base of Cassegrain antenna, the structure, basic principle and main analysis method of paraboloid antenna is elaborated. A paraboloid antenna was then designed and simulated with software GRASP. 由于抛物面天线可视为卡塞格伦天线的基础,因此本文先介绍了抛物面天线的结构、基本原理和主要的分析方法,完成了一个抛物面天线的设计,并用GRASP仿真软件对其进行仿真分析。
According to the comparative analysis of structures and the image quality of the optical antennas, the Cassegrain antenna has been chosen to be applied in the design of this optical antenna system. 2. 通过对各种常见光学天线的结构、成像质量进行对比分析,本论文确定在该光学天线系统的设计中采用卡塞格伦天线。
Mainly analyzing the using of dielectric lens antenna and cassegrain antenna in MMW detection system. 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。
The side-fed offset Cassegrain ( SFOC) antenna that has an outstanding scanning performance and suits to be mounted on satellites is studied, and its structural parameters are designed in detail. 以一种扫描性能优异,且适合于卫星平台上安装的天线系统&侧馈偏置卡塞格伦(SFOC)天线为研究对象,对其结构参数进行了详细的设计。