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2. Smart antenna - Wikipedia

   en.wikipedia.org/wiki/Smart_antenna

   Smart antennas (also known as adaptive array antennas, digital antenna arrays, multiple antennas and, recently, MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signatures such as the direction of arrival (DOA) of the signal, and use them to calculate beamforming vectors which are used to track and locate the antenna beam on the mobile/target.

3. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   Composite antennas are made by combining one or more simple antenna(s) either with other simple antenna(s) or with some kind of a reflecting surface formed into a screen, or curtain, or curved dish. Usually only one of the component antennas is resonant on the design frequency, and in that typical case, the feedline connects only to the ...

4. Optical rectenna - Wikipedia

   en.wikipedia.org/wiki/Optical_rectenna

   Based on antenna theory, an optical antenna can absorb any wavelength of light efficiently provided that the size of the antenna is optimized for that specific wavelength. Ideally, antennas would be used to absorb light at wavelengths between 0.4 and 1.6 μm because these wavelengths have higher energy than far-infrared (longer wavelengths) and ...

5. 2025 Public Domain Day: Popeye, Tintin, more legendary ... - AOL

   www.aol.com/2025-public-domain-day-popeye...

   In 2025, the works unbound from copyright cap off the 1920s with literature, characters and more from 1929 entering the public domain.

6. Musco Lighting - Wikipedia

   en.wikipedia.org/wiki/Musco_Lighting

   The project led to the creation of Musco's Mirtran system, which featured lights that were aimed away from the track onto secondary, ground-level mirrors that bounced the light back onto the racing surface. The project earned Musco an IES Illumination Award for Outdoor Lighting Design by the Illuminating Engineering Society. [12]

7. From Santas to Swifties: Videos show fun Christmas ... - AOL

   www.aol.com/santas-swifties-videos-show-fun...

   This article originally appeared on USA TODAY: Videos show festive outdoor Christmas decorations, lights: Watch. Show comments. Advertisement. Advertisement. Holiday Shopping Guides.