Antenna Aperture
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Subjects > Electronics (Search) > Antenna (Search for Antenna)
aperture: 1. In a directional antenna (Search), the portion of a plane surface very near the antenna normal to the direction of maximum radiant intensity (Search), through which the major part of the radiation (Search for radiation) passes. (188) 2. In an acoustic device that launches a sound wave, the passageway, determined by the size of a hole in the inelastic material and the wavelength (Search for wavelength). [After 2196]
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