Directivity
noun ·Rare ·Advanced level
Definitions
- 1 A measure of the performance of an antenna compared to an isotropic antenna; the ratio of the maximum value of radiation intensity to the average radiation intensity. countable, uncountable
- 2 the property of a microphone or antenna of being more sensitive in one direction than in another wordnet
- 3 Anisotropy in the propagation of earthquake waves in the direction of rupture. countable, uncountable
- 4 the quality of being directive wordnet
- 5 Directionality countable, rare, uncountable
"1991, COSPAR. Plenary Meeting, Jean-Louis Fellous, COSPAR., Global change and relevant space observations: proceedings of Symposium 1 of the COSPAR twenty-eighth Plenary Meeting held in The Hague, the Netherlands, 25 June-6 July 1990, Pergamon For higher degrees, the spatial integration tends to produce a cancellation and a rapid loss of visibility, although less rapidly for velocity measurement than for luminosity measurement, on account of the directivity of the velocity vector."
Synonyms
All synonymsExample
More examples"1991, COSPAR. Plenary Meeting, Jean-Louis Fellous, COSPAR., Global change and relevant space observations: proceedings of Symposium 1 of the COSPAR twenty-eighth Plenary Meeting held in The Hague, the Netherlands, 25 June-6 July 1990, Pergamon For higher degrees, the spatial integration tends to produce a cancellation and a rapid loss of visibility, although less rapidly for velocity measurement than for luminosity measurement, on account of the directivity of the velocity vector."
Etymology
From directive + -ity.