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Application of Bionics in Antenna Radar Cross Section Reduction

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4 Author(s)
Wen Jiang ; Nat. Lab. of Antennas & Microwave Technol., Xidian Univ., Xi''an, China ; Ying Liu ; Shuxi Gong ; Tao Hong

Bionics principle is applied to antenna radar cross section (RCS) reduction in this letter for the first time. To authenticate the method, a novel bionic ultrawideband (UWB) antenna is proposed by use of a model of insect tentacle. Its UWB-related radiation characteristics are simulated and experimentally verified. Monostatic RCS of an insect tentacle antenna (ITA) terminated with three different loads are studied and compared with that of a common printed circular-disc monopole antenna (PCDMA). The results show that compared to the reference antenna, the novel bionic antenna has lower RCS and favorable radiation performances. Hence, applying bionics principle to antenna RCS reduction is feasible, which will serve as a good candidate for the future design of antennas with a requirement of RCS control.

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Antennas and Wireless Propagation Letters, IEEE  (Volume:8 )