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Antenna ApertureAntenna Aperture
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Subjects > Electronics > Antenna
aperture: 1. In a directional antenna , the portion of a plane surface very near the antenna normal to the direction of maximum radiant intensity , through which the major part of the 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 . [After 2196]
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