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- Title
Frequency Invariant Beam Steering for Short-Pulse Systems with a Rotman Lens.
- Authors
Lambrecht, Andreas; Laskowski, Piotr; Beer, Stefan; Zwick, Thomas
- Abstract
A promising approach for beam steering of high-voltage transient signals for HPEM-systems (High Power Electro Magnetic) is presented. The inherent capability of the Rotman lens to provide true time delays is used to develop a prototype beam steering device for an antielectronics HPEM system in the frequency range from 350MHz to 5 GHz. Results of analytical calculations, simulations, and measurements from a hardware prototype are presented. The detailed mechanical setup of the Rotman lens is presented. Additionally the output pulses are investigated when inputting a Gaussian-like transient signal. Then time domain measures of quality (full width at half maximum, ringing, delay spread, maximum of transfer function) are investigated for these output transients, and the simulation and measurement results are compared. A concluding analysis of the realizable time domain array pattern shows the radiated pulse form.
- Subjects
BEAMFORMING equipment; ELECTROMAGNETIC devices; TIME delay systems; RADIO frequency; PROTOTYPES
- Publication
International Journal of Antennas & Propagation, 2010, Vol 2010, p1
- ISSN
1687-5869
- Publication type
Article
- DOI
10.1155/2010/849458