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Two novel power recycling schemes for enhancing the radiation efficiency of leaky-wave antennas are proposed and demonstrated both theoretically and experimentally. The first scheme enhances the radiation efficiency of a single leaky-wave antenna by feeding the energy remaining at the output of the antenna back into its input terminal via a rat-race hybrid coupler. In this manner, the power associated...
This paper presented the application of the CRLH transmission line as a TD line applicable in squint-free beam-scanning phased-arrays. The CRLH TD exhibits attractive characteristics such as continuous and variable delay, no power consumption, no switching time, broadband matching, planar and cost-effective fabrication.
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