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IEVref:712-02-33ID:
Language:enStatus: Standard
Term: beamwidth, <of an antenna>
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Definition: in a specified plane containing the direction of maximum radiation or the axis of symmetry of a beam or a radiation lobe, angle between two directions (corresponding, for example, to a given fraction of the maximum radiation or to the first minimums) on both sides of this direction or axis

Note 1 to entry: The most generally used fraction is half-power beamwidth.

Note 2 to entry: The term "beamwidth" has different meanings in optical fibre communication (see IEV 731-01-35) and the field of ultrasonics (see IEV 802-01-20).


Publication date:2021-04
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Replaces:712-02-33:1992-04
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