Volume 39 Issue 10
Oct.  2013
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Zhang Yongfang, Miao Jungang, Jiang Jingshanet al. Design of a novel curved wall profile multi-step feed horn[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(10): 1286-1291. (in Chinese)
Citation: Zhang Yongfang, Miao Jungang, Jiang Jingshanet al. Design of a novel curved wall profile multi-step feed horn[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(10): 1286-1291. (in Chinese)

Design of a novel curved wall profile multi-step feed horn

  • Received Date: 28 Nov 2012
  • Publish Date: 30 Oct 2013
  • A novel multi-step feed horn with a curved inner wall was introduced. The curve profile of its inner wall is composed of the sine profile and the Gaussian profile. This feed horn can be easily manufactured due to its simplified structure, and its radiation performance can be improved by optimizing the inner wall curve profile. A multi-step horn with an optimized inner wall curve profile was designed in the spectrum between 75 GHz and 110 GHz. The optimized feed horn has excellent electrical performance and beam symmetry characteristics, with voltage standing wave ratio (VSWR) less than 1.1 at the established waveband, a bandwidth ratio of about 1.5:1. In addition, the measured radiation pattern of the designed feed horn is in good consistency with calculation results.

     

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