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20/08/1990
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Recent Actualizat
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Log Periodic Dipole Antenna: How Its Design Actually WorksA log periodic dipole antenna consists of dipole elements arranged along a boom, with each element increasing in length. The elements account for each part of the band. This is how a single antenna can be directional and cover a large range of frequencies. They have a sort of pattern to them. Each is longer than the adjacent one by a set ratio. Same spacing rule. With a change of frequency, the...0 Commentarii 0 Distribuiri 543 Views 0 previzualizareVă rugăm să vă autentificați pentru a vă dori, partaja și comenta!
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Why India Needs Better Anti-Drone AntennasAn anti-drone antenna is the radio-frequency front end of a counter-drone system, the component that receives a drone's control and video signals so the system can detect it, and radiates the jamming energy that severs the drone's link to its operator. India needs better ones because the country has to defend long, porous borders and dense critical infrastructure against cheap, fast-evolving...0 Commentarii 0 Distribuiri 1K Views 0 previzualizare
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