A New Kind of Circular Polarization Leaky-Wave Antenna Based on Substrate Integrated Waveguide
Author(s) -
Chong Zhang,
Junhong Wang,
Meie Chen,
Zhan Zhang,
Zheng Li
Publication year - 2015
Publication title -
international journal of antennas and propagation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.282
H-Index - 37
eISSN - 1687-5877
pISSN - 1687-5869
DOI - 10.1155/2015/397960
Subject(s) - leaky wave antenna , polarization (electrochemistry) , circular polarization , optics , axial ratio , radiation , radiation pattern , antenna (radio) , physics , materials science , engineering , telecommunications , microstrip antenna , microstrip , chemistry
A new kind of circular polarization leaky-wave antenna with N-shaped slots cut in the upper side of substrate integrated waveguide (SIW) is investigated and presented. The radiation pattern and polarization axial ratio of the leaky-wave antenna are studied. The results show that the width of N-shaped slots has significant effect on the circular polarization property of the antenna. By properly choosing structural parameters, the SIW based leaky-wave antenna can realize circular polarization with excellent axial ratio in 8 GHz satellite band
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