A near-isotropic circulary polarized antenna for space vehicles
Victor Galindo, K. Green
Abstract
Victor Galindo, K. Green
Abstract
The theoretical design and experimental test of a simple, lightweight, and reliable circularly polarized omnidirectional antenna is reported. The gain for one sense of circular polarization, compared with isotropic, is more than -3 dB over 99 percent of the far-zone sphere. Good agreement between theory and experiment has been obtained. The antenna consists of a ring of crossed slots on a short-circuited cylindrical waveguide that is excited by twoTE_{11}modes in phase and space quadrature.
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The theoretical design and experimental test of a simple, lightweight, and reliable circularly polarized omnidirectional antenna is reported. The gain for one sense of circular polarization, compared with isotropic, is more than -3 dB over 99 percent of the far-zone sphere. Good agreement between theory and experiment has been obtained. The antenna consists of a ring of crossed slots on a short-circuited cylindrical waveguide that is excited by twoTE_{11}modes in phase and space quadrature.
Key concepts: Isotropy, Omnidirectional antenna, Turnstile antenna, Polarization (electrochemistry), Physics, Antenna (radio), Quadrature (astronomy), Optics