Research Article
A Novel Dual-Broadband Circularly Polarized Patch Antenna for Precise Satellite Navigation
Table 3
Comparisons between our design and previous antennas.
| Antenna | Reference [20] | Reference [21] | Reference [22] | This work |
| | 3 |
| 9.8 | 4.5 |
| 3 dB gain bandwidth | 45 MHz at L1 40 MHz at L2 | 50 MHz at L1 45 MHz at L2 | 35 MHz at L1 26 MHz at L2 | 65 MHz at L1 70 MHz at L2 |
| Peak polarization gain | 4.2 dBi at L1 −1 dBi at L2 | 3.5 dBi at L1 3.2 dBi at L2 | 3.1 dBi at L1 4.9 dBi at L2 | 3.98 dBi at L1 4.72 dBi at L2 |
| Impedance bandwidth (−10 dB) | 1.15 GHz–1.60 GHz | 1.1 GHz–1.7 GHz | 14 MHz at L1 16 MHz at L2 | 1.0 GHz–1.8 GHz |
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