Quad Ridged Horn Antenna for UWB Applications

Provided by: EMW Publishing
Topic: Mobility
Format: PDF
In this paper, the authors describe a novel design of a dual-polarized ultra-wideband horn antenna. Based on a VSWR (Voltage Standing Wave Ratio) is greater than or equal to 2.6, the bandwidth of the designed UWB (Ultra WideBand) horn antenna is from 8-18GHz, most suitable for radar systems. A new coaxial line to quadruple-ridged waveguide transition and a new technique for tapering the flared section of the horn is introduced to improve the return loss and matching of the impedance, respectively. Results of simulation for VSWR, isolation, gain and radiation pattern of designed horn antenna are presented and discussed.

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