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  • Lobe switching — is a method used on early radar sets to improve tracking accuracy. It used two slightly separated antenna elements to send the beam slightly to either side of the midline of the antenna, switching between the two to find which one gave the… …   Wikipedia

  • Main lobe — A polar antenna radiation diagram. The radial distance from the center represents signal strength. The main lobe, or main beam, of an antenna radiation pattern is the lobe containing the maximum power. This is the lobe that exhibits the greatest… …   Wikipedia

  • Window function — For the term used in SQL statements, see Window function (SQL) In signal processing, a window function (also known as an apodization function or tapering function[1]) is a mathematical function that is zero valued outside of some chosen interval …   Wikipedia

  • Air traffic control radar beacon system — The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance radar monitoring and separation of air traffic. ATCRBS assists ATC radars by acquiring information about the aircraft being monitored,… …   Wikipedia

  • Fiber Bragg grating — A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the… …   Wikipedia

  • Kaiser window — The Kaiser window is a window function used for digital signal processing, and is defined by the formula [James F. Kaiser and Ronald W. Schafer, On the Use of the Io Sinh Window for Spectrum Analysis , IEEE Transactions on Acoustics, Speech and… …   Wikipedia

  • List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …   Wikipedia

  • Beamforming — is a signal processing technique used in sensor arrays for directional signal transmission or reception. This spatial selectivity is achieved by using adaptive or fixed receive/transmit beampattern. The improvement compared with an… …   Wikipedia

  • Airborne Surveillance Platform — Infobox Aviation name = Airborne Surveillance Platform caption = ASP Airavat during the tests in 1996The Airborne Surveillance Platform (ASP) is an Indian defense project, initiated by the Defence Research and Development Organization, which… …   Wikipedia

  • Rhinoplasty — For the album by Primus, see Rhinoplasty (album). Rhinoplasty Intervention Rhinoplasty: The lower lateral cartilage (greater alar cartilage) exposed for plastic modification via the left nostril …   Wikipedia

  • Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… …   Wikipedia

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