Mo Fan, Lin Fu-min. A Design of a Novel Dual-band Circularly Polarized Satellite Navigation Antenna[J]. 2018, 35(2): 86-94.DOI: 10.12052/gdutxb.150074.
A Design of a Novel Dual-band Circularly Polarized Satellite Navigation Antenna
A novel patch antenna with a slotted surface and a radiation frame is presented. HFSS software simulation results show that both the impedance bandwidth and the axial ratio bandwidth are significantly increased compared with the normal sole patch antenna
and higher gain together with better dual-band characteristics can be obtained as well. Its dual bandwidth is able to cover frequency band L1 and L2 of four satellite systems including GPS/GLONASS/GALILEO/Compass. Therefore
in place of the dual patch antenna
it is particularly suitable for the use of handheld high precision navigation terminals. Furthermore
this novel patch antenna has the advantages of wider bandwidth
smaller size and lower cross-section over other dual-band circularly polarized patch antennas
which leads to a promising prospect.
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references
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