Haoyong Ding, Ning Liu, Tao Jiang, Xianjun Sheng, Xiangyan Liu
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Wideband High Gain and Low RCS Fabry–Perot Antenna Using the Single Layer Partially Reflective Surface
This letter presents a novel wideband high gain and low radar cross section reduction (RCS) Fabry–Perot (FP) antenna using a single layer partially reflective surface (PRS). Different from the traditional PRS unit, the proposed PRS unit can broaden the gain bandwidth and reduce the in-band RCS. The designed PRS distributes the radiated waves in-phase through the positive phase gradient compensation and weakens the reflection of the incident waves through the phase cancellation. Compared to the previous wideband low RCS FP antennas, we first achieved the 3 dB gain bandwidth covering the 10 dB impedance bandwidth. Both the simulation and measured results verify the performance of the proposed FP antenna. The results show that the proposed FP antenna has a 10 dB impedance bandwidth of 8.6–11.8 GHz (31.4%) and an RCS reduction bandwidth of 7.9–14.0 GHz (55.7%) under the normal incidence. The 3 dB gain bandwidth and the maximum realized gain are 8.3–12.0 GHz (36.5%) and 16.3 dBi.
期刊介绍:
Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas.
- RF, Microwave, and Millimeter Waves
- Antennas and Propagation
- Submillimeter-Wave and Infrared Technology
- Optical Engineering
All papers are subject to peer review before publication