Van Atta array
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A Van Atta array is a type of passive retrodirective phased array antenna which redirects (rather than reflects) a signal back in the direction from which it came. It was first described by L. C. van Atta in his 1959 patent.[1]
The signal can be modulated by the redirecting host for purposes such as radio-frequency identification and traffic control (radar target echo enhancement).[2]
A 2023 paper describes the extension of the van Atta antenna principle to underwater acoustic communication.[3]
References
[edit | edit source]- ^ US patent 2908002, Lester C. van Atta, "Electromagnetic Reflector", published Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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See also
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