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Volume 27 Issue 1
Jan.  2001
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Journal of Beijing University of Aeronautics and Astronautics  > 2001  >  27(1): 12-15.
CHENG Zhen, Lü Shan-wei, JIANG Xin-faet al. Sum-Difference Unified Design of Monopulse Ring-Focus Antenna[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(1): 12-15. (in Chinese)
Citation: CHENG Zhen, Lü Shan-wei, JIANG Xin-faet al. Sum-Difference Unified Design of Monopulse Ring-Focus Antenna[J]. Journal of Beijing University of Aeronautics and Astronautics, 2001, 27(1): 12-15. (in Chinese)
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Sum-Difference Unified Design of Monopulse Ring-Focus Antenna

  • 1.

    Beijing University of Aeronautics and Astronautics, Dept. of Electronic Engineering

  • 2. Beijing Institute of Radio Measurement

  • Received Date: 25 Aug 1999
  • Publish Date: 31 Jan 2001
    Abstract
  • The relatively poor performance of difference channel of a monopulse ring-focus antenna is accounted for, suitable aperture distribution functions are recommended, formulae of feed difference pattern needed are presented and sum-difference unified design method is put forward. To testify the theoretical method, the authors take a 3.5m C-band monopulse shaped ring-focus antenna with dual-polarization as an example. By using the presented method, the gain difference between the sum channel and the different channel is reduced from 6.5dB to 4.2dB , and the separation angle of the apexes of the different pattern of the antenna from 1.9° to 1.4°. Therefore, the normalized slope of difference pattern arrives at 1.4 with a particular monopulse feed.

     

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  • [1] 程 臻,吕善伟,姜新发. 变极化单脉冲环焦天线分析与实验 .电子学报,2000,28(9):31~33. [2] Duan D W. A generalized diffraction synthesis technique for high performance reflector antennas[J]. IEEE Trans AP, 1995,43(1):27~40. [3] 谢处方,邱文杰. 天线原理与设计[M].西安:西北电讯工程学院出版社,1985. [4] 熊继衮. 防空导弹制导雷达天馈系统与微波器件[M]. 北京:宇航出版社,1994. [5] Bayliss E T. Design of monopulse antenna difference patterns with low sidelobes[J]. The Bell System Tech J,1968(3):623~650. [6] 杨可忠,杨智友,章日荣. 现代天线新技术[M]. 北京:人民邮电出版社,1993.
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