Investigation of characteristics of planar leaky-wave antenna arrays designed for broadside radiation
DOI:
https://doi.org/10.3103/S0735272713100014Keywords:
leaky-wave antenna array, broadside radiation, dielectric waveguide, diffraction grating, excitation device, comb striplineAbstract
The results of computer simulation and experimental investigations of new planar leaky-wave antenna arrays designed for microwave and EHF bands and for the mode of radiation normal to the aperture plane have been presented. These arrays comprise single-layer shielded dielectric waveguides and metal-strip periodic diffraction gratings. The specified antennas ensure the radiation efficiency of no less than 50% and the gain of about 28–30 dB within the 3–4% frequency band.
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