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High gain Fermi antenna array for radar‐aided radiotherapy system
Author(s) -
Salmani Zeeshan,
Gu Changzhan,
Li Changzhi,
Zhang Hualiang
Publication year - 2012
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.26871
Subject(s) - antenna (radio) , electronic engineering , radar , antenna array , engineering , computer science , electrical engineering , physics , acoustics , telecommunications
This article presents the design of Fermi antenna array with improved gain for radar respiration measurement. A six‐element Fermi antenna array working at 5.8 GHz is optimally designed and integrated with the respiration radar system. Specifically, to easily feed the antenna array as well as reduce the total size of the array system, a feeding network based on 0‐degree phase shifters is used along with suitable impedance transformers. The whole system is proposed to function as a radar sensor for respiration rate measurement, which is known as a promising noncontact and noninvasive approach for lung cancer radiotherapy. The measurement results verify the improved performance of the proposed system for radar respiration measurement in motion‐adaptive lung cancer radiotherapy. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1649–1654, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26871