Dual-band and dual-circularly polarized microstrip antenna with low elevation gain improvement for CNSS applications

Dual-band and dual-circularly polarized microstrip antenna with low elevation gain improvement for CNSS applications

ABSTRACT A dual band and dual circularly polarized (CP) microstrip antenna with low elevation gain improvement for China's Compass Navigation Satellite System (CNSS) is proposed in this letter. The nested structure patches fed by capacitive‐coupled discs to achieve the dual band performance. Th...

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Veröffentlicht in:Microwave and optical technology letters 2016-05, Vol.58 (5), p.1016-1022
Hauptverfasser: Yang, Xiaojie, Yuan, Jiade
Format: Artikel
Sprache:eng
Schlagworte:
Banded structure
CNSS
Design engineering
Design improvements
dual-band
dual-circularly polarized
Elevation
Gain
low elevation gain improvement
Microstrip antennas
Microwaves
Satellite navigation systems
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Zusammenfassung:ABSTRACT A dual band and dual circularly polarized (CP) microstrip antenna with low elevation gain improvement for China's Compass Navigation Satellite System (CNSS) is proposed in this letter. The nested structure patches fed by capacitive‐coupled discs to achieve the dual band performance. The dual CP performance is obtained by adopting a 3dB hybrid coupler. The key design is four copper sheets which are set up to improve the low elevation gain. Details of the proposed antenna design and results are presented and discussed. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:1016–1022, 2016
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.29729