A NOVEL ULTRA-WIDE BAND ANTENNA WITH REDUCED RADAR CROSS SECTION

A novel printed dual circular ring monopole antenna with low radar cross section (RCS) for ultra-wide band (UWB) application is proposed. The proposed antenna is designed to realize RCS reduction. The two circular rings are connected by several metallic via holes to improve the radiation characteristics of the proposed antenna. Its UWB-related characteristics are simulated and experimentally verifled. The RCS performance of the proposed antenna under difierent loads is studied and compared with that of a commonly used circular- disc monopole antenna. The results show that the proposed antenna has good radiation performances and lower RCS than the reference antenna. The proposed antenna serves as a good candidate in the design of UWB antenna with the requirement of RCS control.

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