• Thumbnail for Directivity
    principle of reciprocity, the directivity of an antenna when receiving is equal to its directivity when transmitting. The directivity of an actual antenna can...
    19 KB (2,877 words) - 01:35, 22 November 2024
  • directive in Wiktionary, the free dictionary. Directive may refer to: Directive (European Union), a legislative act of the European Union Directive (programming)...
    576 bytes (108 words) - 16:04, 22 September 2022
  • maximum directivity of an antenna [aperture] to its standard directivity." It is synonymous with normalized directivity. Standard [reference] directivity is...
    5 KB (793 words) - 19:27, 5 October 2023
  • Thumbnail for Hannibal Directive
    The Hannibal Directive (Hebrew: נוהל חניבעל, romanized: Nóhal Khanibaál), also translated as Hannibal Procedure or Hannibal Protocol, is the name of a...
    67 KB (7,935 words) - 16:22, 11 May 2025
  • Thumbnail for Horn loudspeaker
    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...
    41 KB (4,518 words) - 02:06, 1 March 2025
  • Spike directivity is a vector that quantifies changes in transient charge density during action potential propagation. The digital-like uniformity of...
    1 KB (135 words) - 01:39, 19 July 2023
  • Resale Rights Directive (2001) Information Society Directive (2001) Electronic Commerce Directive 2000 (2000) Conditional Access Directive (1998) Database...
    1 KB (154 words) - 13:06, 28 December 2020
  • An airworthiness directive (commonly abbreviated as AD) is a notification to owners and operators of certified aircraft that a known safety deficiency...
    6 KB (518 words) - 04:28, 23 July 2024
  • Directive 8020 is an upcoming interactive drama and survival horror video game developed and published by Supermassive Games. It is the first game of...
    22 KB (1,534 words) - 16:44, 15 May 2025
  • keep directivity constant in the formula, and has nothing to do with propagation in vacuum. Directivity of transmitting antenna - the directivity of transmitting...
    13 KB (2,032 words) - 14:49, 29 November 2024
  • Thumbnail for Directional sound
    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...
    5 KB (653 words) - 03:49, 30 January 2025
  • 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...
    251 bytes (63 words) - 20:21, 27 December 2017
  • Thumbnail for Effective radiated power
    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...
    23 KB (3,327 words) - 07:46, 12 May 2025
  • Thumbnail for Power dividers and directional couplers
    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 ) = −...
    49 KB (7,280 words) - 05:35, 19 May 2025
  • Thumbnail for Omnidirectional antenna
    gain (G) is defined as antenna efficiency (e) multiplied by antenna directivity (D) which is expressed mathematically as: G = e D {\displaystyle G=eD}...
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  • In computer programming, a directive or pragma (from "pragmatic") is a language construct that specifies how a compiler (or other translator) should process...
    12 KB (1,433 words) - 22:22, 15 May 2025
  • illumination efficiency, which relates the maximum directivity of an antenna/aperture to its standard directivity. Radiation efficiency is defined as "The ratio...
    9 KB (1,256 words) - 01:49, 16 December 2024
  • Thumbnail for Radiation pattern
    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...
    15 KB (2,169 words) - 08:29, 5 January 2025
  • Thumbnail for Loudspeaker
    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...
    90 KB (12,505 words) - 02:52, 20 May 2025
  • An include directive instructs a text file processor to replace the directive text with the content of a specified file. The act of including may be logical...
    16 KB (1,965 words) - 20:24, 14 May 2025
  • Trump administration, as of December 2020, comprises six Space Policy Directives and an announced "National Space Strategy" (issued March 28, 2018), representing...
    16 KB (1,499 words) - 17:53, 6 March 2025
  • Genelec Oy is a manufacturer of active loudspeaker systems based in Iisalmi, Finland. It designs and produces products for professional studio recording...
    26 KB (1,308 words) - 21:13, 3 August 2024
  • Thumbnail for Advance healthcare directive
    An advance healthcare directive, also known as living will, personal directive, advance directive, medical directive or advance decision, is a document...
    51 KB (6,229 words) - 17:11, 10 May 2025
  • 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...
    1 KB (88 words) - 10:24, 21 April 2022
  • steering and directivity Control using DSP was pioneered in the early 1990s by Duran Audio who launched a technology called DDC (Digital Directivity Control)...
    7 KB (823 words) - 18:37, 15 December 2024
  • Thumbnail for General Data Protection Regulation
    regulations for international business. It supersedes the Data Protection Directive 95/46/EC and, among other things, simplifies the terminology. The European...
    126 KB (13,101 words) - 16:31, 10 May 2025
  • 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...
    30 KB (4,231 words) - 19:13, 28 February 2025
  • 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...
    11 KB (628 words) - 21:31, 22 October 2024
  • Thumbnail for Sidelobes
    distribution, as provided in the two examples above, gives the maximum possible directivity for a given aperture size, but it also produces the maximum sidelobe...
    7 KB (741 words) - 09:55, 8 March 2024
  • Thumbnail for Directional 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...
    13 KB (1,590 words) - 00:26, 28 April 2025