principle of reciprocity, the directivity of an antenna when receiving is equal to its directivity when transmitting. The directivity of an actual antenna can...

directive in Wiktionary, the free dictionary. Directive may refer to: Directive (European Union), a legislative act of the European Union Directive (programming)...

maximum directivity of an antenna [aperture] to its standard directivity." It is synonymous with normalized directivity. Standard [reference] directivity is...

Spike directivity is a vector that quantifies changes in transient charge density during action potential propagation. The digital-like uniformity of...

Database Directive (1996) Copyright Duration Directive (1993) Satellite and Cable Directive (1993) Rental Directive (1992) Computer Programs Directive (1991)...

the Radial horn HCD offers a constant directivity on one plane, to be specific a progressive constant directivity on the plane along the horn mouth major...

Directive 8020 is an upcoming interactive drama and survival horror video game developed and published by Supermassive Games. It is the first game of...

The Hannibal Directive (Hebrew: נוהל חניבעל, romanized: Nóhal Khanibaál), also translated as Hannibal Procedure or Hannibal Protocol, is the name of a...

An airworthiness directive (commonly abbreviated as AD) is a notification to owners and operators of certified aircraft that a known safety deficiency...

keep directivity constant in the formula, and has nothing to do with propagation in vacuum. Directivity of transmitting antenna - the directivity of transmitting...

gain (G) is defined as antenna efficiency (e) multiplied by antenna directivity (D) which is expressed mathematically as: G = e D {\displaystyle G=eD}...

speaker would be non-directional. The directivity for various source sizes and shapes is given in. The directivity is shown to be a function only of the...

Seveso Directive may refer to: Directive 82/501/EC, Seveso Directive I (1982) Directive 96/82/EC, Seveso Directive II (1996) Directive 2012/18/EU, Seveso...

couplers will have the best isolation. Directivity is directly related to isolation. It is defined as: Directivity: D 3 , 4 = − 10 log ⁡ ( P 4 P 3 ) = −...

as antenna gain (in a given direction) as compared with the maximum directivity of a half-wave dipole antenna, it creates a mathematically virtual effective...

In computer programming, a directive or pragma (from "pragmatic") is a language construct that specifies how a compiler (or other translator) should process...

Genelec Oy is a manufacturer of active loudspeaker systems based in Iisalmi, Finland. It designs and produces products for professional studio recording...

illumination efficiency, which relates the maximum directivity of an antenna/aperture to its standard directivity. Radiation efficiency is defined as "The ratio...

side lobe level should be minimum, it is necessary to have the maximum directivity. Antenna modeling E-plane and H-plane Constantine A. Balanis: "Antenna...

the directivity of a complex shape, based on modeling combinations of point sources, is usually not possible, but in the far field, the directivity of...

Trump administration, as of December 2020, comprises six Space Policy Directives and an announced "National Space Strategy" (issued March 28, 2018), representing...

An advance healthcare directive, also known as living will, personal directive, advance directive, medical directive or advance decision, is a document...

regulations for international business. It supersedes the Data Protection Directive 95/46/EC and, among other things, simplifies the terminology. The European...

universe of Star Trek, the Prime Directive (also known as "Starfleet General Order 1", and the "non-interference directive") is a guiding principle of Starfleet...

Relative directivity factor (RDF) is a figure of merit for radio receiving antennas. It is the antenna gain in the forward direction divided by the gain...

steering and directivity Control using DSP was pioneered in the early 1990s by Duran Audio who launched a technology called DDC (Digital Directivity Control)...

files into a web page on a web server (see below), using its #include directive. This could commonly be a common piece of code throughout a site, such...

concerned with the directive gain, or simply directivity which does not include the effect of antenna (in)efficiency. The directive gain of an antenna...

antenna when used as a receiving antenna. As a consequence of their directivity, directional antennas also send less (and receive less) signal from directions...

The Restriction of Hazardous Substances Directive 2002/95/EC (RoHS 1), short for Directive on the restriction of the use of certain hazardous substances...