Radio frequency filters can change which signals they block through a range of frequencies, using an origami-based structure to change their dimensions. Researchers at the Georgia Institute of Technology say that the tunable filters can be used in antenna systems that adapt to ambient conditions in real-time for electromagnetic cloaking systems that could be reconfigured on-the-fly to reflect or ...
This story continues at Shape-shifting antennae adapt in real time to cloak and block frequencies
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from Electronics Weekly https://www.electronicsweekly.com/market-sectors/military-aerospace-electronics/shape-shifting-antennae-adapt-real-time-cloak-block-frequencies-2018-12/
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