bn:03138527n
Noun Concept
Categories: Antennas (radio), Optical quantities
EN
beam diameter  beam width  beamwidth  Beamwidth of antenna  Half-power beamwidth
EN
The beam diameter or beam width of an electromagnetic beam is the diameter along any specified line that is perpendicular to the beam axis and intersects it. Wikipedia
Definitions
Sources
EN
The beam diameter or beam width of an electromagnetic beam is the diameter along any specified line that is perpendicular to the beam axis and intersects it. Wikipedia
How wide a beam is Wikidata