[天线]2004-Wideband 2 × 2 sequentially rotated patch antenna array with a series feed.

ABSTRACT: A new wideband 2  2 patch antenna array operating at wN2QK6Oc  
5.8 GHz with an out-of-line series feed is presented. Input impedance M4d47<'*~  
bandwidth and axial ratio bandwidth are shown to be significantly increased {U84 _Pi  
for this new array, which employs a sequential rotation of series- Zr-U&9.`  
fed, circularly polarised, aperture-coupled radiating elements. The =&},;VOh  
array also maximises the available space on the feed substrate for microwave i,|0@Vy  
circuitry. A VSWR 2:1 bandwidth of 22.8% and a 3-dB axial (I@rLvZr{  
ratio of 17.5% are confirmed by full-wave simulation and experimental gl]E_%tH  
measurement. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol #Jna6  
Lett 40: 292–294, 2004; Published online in Wiley InterScience (www. eYC^4g%l(  
interscience.wiley.com). DOI 10.1002/mop.11356 @c~)W8  
Key words: microstrip pa .. J7v|vjI  
NHl|x4Zpw  

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