Analysis of a Leaky Traveling Wave Antenna (Preprint)
AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH SENSORS DIRECTORATE
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Several leaky traveling wave antennas using the first microstrip higher order mode were simulated with the Finite Difference Time Domain FDTD method. The leaky wave antennas investigated here differ from previous designs. The propagation constant of each antenna was extracted from the resulting guided field distribution for comparison with a transverse resonance approximation, measured far-field patterns, and other simulated antennas. Variations of geometry were explored to investigate the complex propagation constant and its effect on the far-field pattern and the bandwidth.
- Electrical and Electronic Equipment
- Theoretical Mathematics
- Radiofrequency Wave Propagation