Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 61, Issue 3, Pages 1479-1484Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2012.2231922
Keywords
Metamaterial absorber (MA); radar cross section (RCS); waveguide slot antenna
Funding
- Postdoctoral Foundation of China [20100481497]
- National Natural Science Foundation of China [61271100]
- Natural Science Foundation of Shanxi Province, China [2010JZ010]
- Natural Science Basic Research of Shanxi Province, China [SJ08-ZT06, 2010JM8003]
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This communication investigates the application of metamaterial absorber (MA) to waveguide slot antenna to reduce its radar cross section (RCS). A novel ultra-thin MA is presented, and its absorbing characteristics and mechanism are analyzed. The PEC ground plane of waveguide slot antenna is covered by this MA. As compared with the slot antenna with a PEC ground plane, the simulation and experiment results demonstrate that the monostatic and bistatic RCS of waveguide slot antenna are reduced significantly, and the performance of antenna is preserved simultaneously.
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