出典:Wiktionary
出典:『Wiktionary』 (2015/04/20 04:41 UTC 版)
beamforming (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/24 01:41 UTC 版)
Beamforming is a signal processing technique used in sensor arrays for directional signal transmission or reception. This is achieved by combining elements in the array in such a way that signals at particular angle experience constructive interference and while others experience destructive interference. Beamforming can be used at both the transmit and receiver side to achieve spatial selectivity. The improvement compared with an omnidirectional reception/transmission is known as the receive/transmit gain (or loss).
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