FIELD: radar ranging and radio navigation.
SUBSTANCE: radar antenna comprises at least one emitter operating in specified working frequency band, frequency selection devices arranged before emitters in one plane with band pass characteristics allowing to pass electromagnetic radiation in working frequency band, and outside this band strip is reflect. At that, emitters with dimensions substantially less than operating wavelength are placed on conducting plane inside through holes, proportional to emitters, dielectric sheet of specified thickness attached by inner side to conducting plane.
EFFECT: reduced scattering cross-section of the antenna in its working frequency band.
1 cl, 9 dwg
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