[天线]A novel wideband circularly polarized patch antenna based on L-probe and slot-coupling techniques

[table=100%][tr][td]A novel wideband circularly polarized patch antenna based on L-probe and slot-coupling techniques xn}BB}s{t  
Lau, K.L.   Luk, K.M.   GbU@BN+_  
Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China [FQ\I-GNC  
This paper appears in: Antennas and Propagation Society International Symposium, 2003. IEEE  +f4W"t  
Publication Date: 22-27 June 2003 59Sw+iZj  
Volume: 3 D&hqV)d4R  
On page(s): 878 - 881 vol.3 M,:Bl}  
Number of Pages: 4 vol.(x+867+1294+1103+973) ;K:8#XuV  
ISSN: *Zd84wRSj  
ISBN: 0-7803-7846-6 }gf}eH  
INSPEC Accession Number:7883788 /-0' Qa+*  
Digital Object Identifier: 10.1109/APS.2003.1220050 f"&Xr!b.h  
Current Version Published: 2003-08-18 u@%|kc`  
[/td][/tr][tr][td][/td][/tr][tr][td][/td][/tr][tr][td][/td][/tr][tr][td]Abstract pw'wWZE'  
The design and measurements of a wideband patch antenna with circular polarization are presented. For the proposed antenna, an L-probe and a coupling aperture are utilized to feed the patch orthogonally. The distance between the patch and the ground plane is 0.1 free space wavelength at 18 GHz. The patch is supported by plastic posts in the air. A Wilkinson power combiner is connected to the feeds to generate circular polarization. The antenna possesses a 14 dB return loss bandwidth of 35% .. :46h+?   
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