ZHANG Wenrui, SHAO Wenyuan, JI Yicai, et al., “Design of Pyramidal Horn with Arbitrary E/H Plane Half-Power Beamwidth,” Chinese Journal of Electronics, vol. 32, no. 4, pp. 703-709, 2023, doi: 10.23919/cje.2021.00.212
Citation:
ZHANG Wenrui, SHAO Wenyuan, JI Yicai, et al., “Design of Pyramidal Horn with Arbitrary E/H Plane Half-Power Beamwidth,” Chinese Journal of Electronics, vol. 32, no. 4, pp. 703-709, 2023, doi: 10.23919/cje.2021.00.212
ZHANG Wenrui, SHAO Wenyuan, JI Yicai, et al., “Design of Pyramidal Horn with Arbitrary E/H Plane Half-Power Beamwidth,” Chinese Journal of Electronics, vol. 32, no. 4, pp. 703-709, 2023, doi: 10.23919/cje.2021.00.212
Citation:
ZHANG Wenrui, SHAO Wenyuan, JI Yicai, et al., “Design of Pyramidal Horn with Arbitrary E/H Plane Half-Power Beamwidth,” Chinese Journal of Electronics, vol. 32, no. 4, pp. 703-709, 2023, doi: 10.23919/cje.2021.00.212
Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
2.
Key Laboratory of Electromagnetic Radiation and Sensing Technology, Chinese Academy of Sciences, Beijing 100190, China
3.
School of Electronic, Electrical, and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
Funds:
This work was supported by the National Key Research and Development Program of China (2018YFF01013004, 2017YFA0701004), the National Natural Science Foundation of China (61671432, 61731020, 61988102), and the Key-Area Research and Development Program of Guangdong Province (2019B010157001).
Wenrui ZHANG is a Ph.D. candidate of Aerospace Information Research Institute, Chinese Academy of Sciences. He received the B.S. degree in electronic information science and technology from University of Shandong. His research interests include antenna design and millimeter wave radar. (Email: zhangwenrui19@mails.ucas.ac.cn)
Wenyuan SHAO is a Ph.D. candidate of Aerospace Information Research Institute, Chinese Academy of Sciences. He received the B.E. degree in electronic information engineering from Beijing University of Technology. His research interests include millimeter wave imaging. (Email: shaowenyuan18@mails.ucas.ac.cn)
Yicai JI (corresponding author) is a Professor of Aerospace Information Research Institute, Chinese Academy of Sciences. His research interests include ultra-wideband radar, ultra-wideband antenna, and electromagnetic compatibility. (Email: ycji@mail.ie.ac.cn)
Chao LI is a Professor of Aerospace Information Research Institute, Chinese Academy of Sciences. His research interests include electromagnetic field theory and microwave technology, millimeter wave/terahertz imaging detection technology, and electromagnetic materials. (Email: cli@mail.ie.ac.cn)
Guan YANG is a Ph.D. candidate of Aerospace Information Research Institute, Chinese Academy of Sciences. He received the B.E. degree in electronic engineering from China University of Petroleum. His research interests include millimeter wave imaging. (Email: 12860404@qq.com)
Wei LU is working in Aerospace Information Research Institute, Chinese Academy of Sciences. His research interests include ultra-wideband radar and antenna. (Email: wlu@mail.ie.ac.cn)
Guangyou FANG is a Professor of Aerospace Information Research Institute, Chinese Academy of Sciences. He is a Member of the National 863 Project Expert Group, Member of the second and third phases of the National Lunar Exploration Project, and Member of the National Lunar Exploration Engineering Scientific Application Expert Committee. (Email: gyfang@mail.ie.ac.cn)
This paper proposes a novel design method for pyramid horns which are under the constraints of 3 dB beamwidth. It is based on the general radiation patterns of E/H planes derived from Huygens’ principle. Through interpolation and fitting techniques, the E/H plane’s maximum aperture error parameter of the pyramid horn is obtained as a function of the angle and aperture electrical size. Firstly, the aperture size of the E (or H) plane is calculated with the help of the optimal gain principle. Secondly, the constraint equation of another plane is derived. Finally, the intersection of constraint equation and interpolation function, which can be solved iteratively, contains all the solution information. The general radiation patterns neglect the influence of the Huygens element factor which makes the error bigger in large design beamwidth. In this paper, through theoretical analysis and simulation experiments, two correction formulas are employed to correct the Huygens element factor’s influence on the E/H planes. Simulation experiments and measurements show that the proposed method has a smaller design error in the range of 0–60 degrees half-power beamwidth.
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