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Design of a Ka‐Band Microstrip Antenna Array with Sharped‐Beam Pattern and High Gain
Author(s) -
Wu Yiwei,
Zhu Qi
Publication year - 2013
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.27873
Subject(s) - microstrip antenna , antenna gain , antenna (radio) , ka band , optics , antenna array , microstrip , physics , patch antenna , microwave , azimuth , antenna factor , materials science , electrical engineering , engineering , telecommunications
A Ka‐band microstrip array antenna is presented in this article. It operates at 35.1 GHz and can realize sharped‐beam pattern and high gain. The antenna array consisting of 14 ×8 elements is fabricated on Rogers RT5880 substrate with 0.254‐mm thickness. It is center‐fed by a coax probe, and the symmetrical feed network is two‐stage cascaded with unequal amplitudes and the same phase. The total size of the array is 110 ×67 mm 2 . The simulated and test results show that the antenna array has a gain of 25 dB, the 3 dB beamwidths in azimuth, and elevation plane are less than 6° and 10° respectively, the sub lobe suppression is −18 dB. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2517–2520, 2013
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