Design and analysis of a tri-band notched UWB monopole antenna

摘要

A novel ultra-wideband (UWB) antenna with tri-band notched characteristics is proposed which based on complementary split ring resonator (CSRR) and slots structure. The tri-band notched characteristics are achieved by etching CSRR on radiating patch and slots on ground plane. The UWB antenna can work effectively in the frequency regions of 3.1GHz~12.4GHz and realized characteristic of band-notched in frequency bands of 4.1~4.9GHz, 6.9~7.1GHz (RADIO and TELEVISION) 9.3~10.4GHz (X band of Radar). The simulated results indicate that the presented antenna has good radiation, ultra-wideband characteristic and has a monopole-like radiation patterns in pass band.