Design of Gregorian Reflector for Imaging

机译：成像用格里高利反射镜的设计

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A Gregorian Dual Reflector configuration is proposed to scan an area ranging from -1.2° to 1.2°. The proposed configuration consists of a paraboloidal main reflector, elliptical sub-reflector operating at Ku-Band and sharing common feed point. Imaging arrangement is obtained by translation, rotation and focal length adjustment of the feed. An attractive feature of the imaging arrangement is that they are capable to scan one beam electronically and generate multi beam coverage in a limited field of view. As an application, a 0.6m diameter main reflector with a cluster of WR-51 waveguides is utilized to get an H.P.B.W of 1.8°.

机译：建议使用Gregorian Dual Reflector配置来扫描-1.2°至1.2°的区域。拟议的配置由抛物面主反射器，椭圆形副反射器组成，它们在Ku-Band波段工作并共享共同的馈电点。通过进料的平移，旋转和焦距调节获得成像安排。成像装置的一个吸引人的特征是它们能够在有限的视野内电子扫描一个光束并产生多光束覆盖。作为一种应用，利用直径为0.6m的主反射器和WR-51波导簇来获得1.8°的H.P.B.W。

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来源
《2018 IEEE Indian Conference on Antennas and Propogation》|2018年|1-3|共3页
会议地点 Hyderabad(IN)
作者
Venkata Reddy Kandregula; Venkateswara Rao Tumati; Padali Susmitha;
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作者单位

E.C.E, Sir C. R. R College of Engineering (Affiliated to), Andhra University, Visakhapatnam, India;

E.C.E, Sir C. R. R College of Engineering (Affiliated to), Andhra University, Visakhapatnam, India;

E.C.E, Sir C. R. R. College of Engineering (Affiliated to), Andhra University, Eluru, India;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Phased arrays; Imaging; Microwave antenna arrays; Reflector antennas; Antenna feeds; Gain;

机译：相控阵;成像;微波天线阵;反射天线;天线馈源;增益;;

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1. Optimum design of a Gregorian-corrected spherical-reflector antenna [J] . Phillips C.J.E., Clarricoats P.J.B. Electrical Engineers, Proceedings of the Institution of . 1970,第4期

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2. A Bifocal Ellipsoidal Gregorian Reflector System for THz Imaging Applications [J] . Garcia-Pino A., Llombart N., Gonzalez-Valdes B., Antennas and Propagation, IEEE Transactions on . 2012,第9期

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3. Parallel-Shaping Technique for a Ring-Focus Reflector Antenna: A multiband Gregorian ring-focus reflector antenna for the Satcom flyaway terminal [J] . Gupta Ramesh Chandra, Sagi Sravan Kumar, Mahajan Milind B. IEEE Antennas & Propagation Magazine . 2019,第5期

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4. Design of Gregorian Reflector for Imaging [C] . Venkata Reddy Kandregula, Venkateswara Rao Tumati, Padali Susmitha IEEE Indian Conference on Antennas and Propogation . 2018

机译：用于成像的Gregorian反射器的设计
5. Geometrical optics design of a compact range Gregorian subreflector system by the principle of the central ray. [D] . Clerici, Giancarlo. 1988

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6. A Low-Cost Active Reflector for Interferometric Monitoring Based on Sentinel-1 SAR Images [O] . Guido Luzi, Pedro F. Espín-López, Fermín Mira Pérez, 2021

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7. Diffraction and Pattern Perturbation Effects in Offset Gregorian Reflector Antennas with Wideband Feeds [O] . Villiers, Dirk I. L. de, Ivashina, Marianna 2015

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8. Design and Analysis of an Axisymmetric Phased Array Fed Gregorian Reflector System for Limited Scanning. [R] . Fenn, A. J., Jordan, J. W. 2016

机译：用于有限扫描的轴对称相控阵Gregorian反射系统的设计与分析。

Design of Gregorian Reflector for Imaging

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