Superposition of guided surface waves on lossy media
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United States of America Patent
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Feb 13, 2018
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Sep 9, 2015
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Sep 11, 2014
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Abstract
Disclosed are various embodiments for superposition of guided surface wave launched along the surface of a lossy medium such as, e.g., a terrestrial medium by exciting a guided surface waveguide probe. In one example, among others, a system includes an array of guided surface waveguide probes configured to launch guided surface waves along a surface of a lossy conducting medium and an array control system configured to control operation of waveguide probes in the array via one or more feed networks. The array control circuit can control operation of the guided surface waveguide probes to maintain a predefined radiation pattern produced by the guided surface waves. In another example, a method includes providing voltage excitation to first and second guided surface waveguide probes to launch guided surface waves with the voltage excitation provided to the second guided surface waveguide probe delayed by a defined phase delay.
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