CST – Computer Simulation Technology

Electrically Small Ultra Wideband Antenna for EMC Measurements in Vehicles Optimized by Electromagnetic Simulation
Ingo Schmidt, Martin Schwark, Robert Geise
IEEE Antennas and Propagation Society International Symposium, 2008. AP-S 2008.
July 2008
1 - 4
A monoconical antenna type has been selected and successfully optimized by a electromagnetic field simulation program. A real antenna was constructed with the parameters found by several simulated parameter sweeps. The comparison between simulation and real antenna shows a good agreement and the comparison between an antenna constructed with the optimal half opening angle derived from theory and the new design parameters revealed that an enormous reduction of size of the antenna is realizable while still having an acceptable matching antenna with a rather smooth frequencies response. For applications where size is one of the most important parameters, this design is to be preferred. A pre-version of these antennas has been successfully used for example in [6]. In future work the influence on receiving characteristic of the polarization of the incident wave should be investigated.

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