Scientists have found a way to make GPS remarkably accurate in city "urban canyons," where navigation has long gone wrong.
My morning commute follows the same route almost every day, so I never thought I needed Google Maps to guide me. I assumed I ...
Abstract: In this paper, a groove gap waveguide (GGW) low-pass filter is proposed for the first time. Gap waveguide technology represents an interesting alternative as a low-loss, cost-effective, high ...
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