Design and analysis of TEM horn antennas for ultra-wideband technology

TEM horn antennas for ultra wideband (UWB) system applications are proposed in which offer unique advantages by their own structure characters. To realize ultra wideband and high gain operations, some antennas are designed and compared in this paper. By optimization, two classes of antennas can both realize the same radial character, get a satisfied gain and the bandwidth is enough for practical operation. As the UWB antenna, the group delay time is considered specially. The simulation results and analyses at 1-18 GHz frequency band of the TEM horn antenna are presented.

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