directivity
nounEtymology From directive + -ity.
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Business, Electrical, Electrical engineering, Electricity, Electromagnetism, Energy, Engineering, Natural sciences, Physical sciences, Physics 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.
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Rare Directionality
- 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.
- First we renounced the directivity of the velocity measurement by using a hot point whose size is of order of the wire diameter [4]. Numerical simulations have shown that the probe then measures the velocity modulus [5].2012, Russell J. Donnelly, Katepalli R. Streenivasan, Flow at Ultra-High Reynolds and Rayleigh Numbers: A Status Report, Springer Science & Business Media, →ISBN, page 337:
1 more example
- 2014, Oris, Interaction of Information and Energy as the Primary Cause for origination of the Creative Activity of Self-Consciousness Focus and the Macrocosmos in whole, Ayfaar Foundation Inc. →ISBN That is, in order to begin to function synchronously in a new manifestation mode ( to drastically change the vector directivity of the Focus Dynamics), Formo- Creators of billions of particles must “die”:
- Related terms
- directability, dirigibility