• Thumbnail for Antenna array
    An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves...
    26 KB (3,416 words) - 21:45, 30 March 2025
  • Thumbnail for Phased array
    In antenna theory, a phased array usually means an electronically scanned array, a computer-controlled array of antennas which creates a beam of radio...
    46 KB (5,289 words) - 17:08, 30 April 2025
  • Thumbnail for Collinear antenna array
    telecommunications, a collinear antenna array (sometimes spelled colinear antenna array) is an array of dipole or quarter-wave antennas mounted in such a manner...
    4 KB (431 words) - 00:41, 28 February 2024
  • Thumbnail for Reflective array antenna
    In telecommunications and radar, a reflective array antenna is a class of directive antennas in which multiple driven elements are mounted in front of...
    14 KB (1,633 words) - 23:54, 15 September 2024
  • Thumbnail for Circularly disposed antenna array
    disposed antenna array (CDAA), sometimes referred to as a circularly disposed dipole array (CDDA) or a wullenweber, is a large circular antenna array used...
    12 KB (1,744 words) - 10:22, 1 February 2025
  • Thumbnail for Log-periodic antenna
    A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over...
    14 KB (1,599 words) - 17:40, 14 December 2024
  • Thumbnail for Yagi–Uda antenna
    Yagi–Uda antenna, or simply Yagi antenna, is a directional antenna consisting of two or more parallel resonant antenna elements in an end-fire array; these...
    40 KB (5,054 words) - 14:19, 10 April 2025
  • Thumbnail for Slot antenna
    and the antenna consists of slots in the waveguide; this is called a slotted waveguide antenna. Multiple slots act as a directive array antenna and can...
    8 KB (992 words) - 23:22, 5 August 2024
  • Thumbnail for Microstrip antenna
    microstrip antennas consist of multiple patches in a two-dimensional array. The antenna is usually connected to the transmitter or receiver through foil microstrip...
    12 KB (1,509 words) - 16:39, 17 March 2025
  • Thumbnail for Digital antenna array
    Digital antenna array (DAA) is a smart antenna with multi channels digital beamforming, usually by using fast Fourier transform (FFT). The development...
    11 KB (1,381 words) - 00:38, 25 April 2025
  • Thumbnail for Antenna (radio)
    monopole antennas Array antennas Loop antennas Parabolic antenna Traveling wave antennas Log-periodic antenna Spiral antenna Horn antenna Adcock antenna Sector...
    83 KB (10,948 words) - 22:44, 29 April 2025
  • Thumbnail for Sensor array
    estimation performance. For example an array of radio antenna elements used for beamforming can increase antenna gain in the direction of the signal while...
    18 KB (2,823 words) - 16:20, 9 January 2024
  • Thumbnail for Active electronically scanned array
    active electronically scanned array (AESA) is a type of phased array antenna, which is a computer-controlled antenna array in which the beam of radio waves...
    45 KB (5,355 words) - 21:20, 21 April 2025
  • Smart antennas (also known as adaptive array antennas, digital antenna arrays, multiple antennas and, recently, MIMO) are antenna arrays with smart signal...
    8 KB (894 words) - 22:10, 28 April 2024
  • Thumbnail for Passive electronically scanned array
    A passive electronically scanned array (PESA), also known as passive phased array, is an antenna in which the beam of radio waves can be electronically...
    7 KB (815 words) - 06:13, 22 April 2025
  • Radiation efficiency (category Antennas (radio))
    to be confused with antenna efficiency, which applies to aperture antennas such as a parabolic reflector or phased array, or antenna/aperture illumination...
    9 KB (1,256 words) - 01:49, 16 December 2024
  • Thumbnail for Curtain array
    Curtain arrays are a class of large multielement directional radio transmitting wire antennas, used in the short-wave radio bands. They constitute a type...
    21 KB (2,417 words) - 12:02, 21 December 2024
  • Thumbnail for Directivity
    Directivity (redirect from Array Factor)
    }}.\end{aligned}}} In an antenna array the directivity is a complicated calculation in the general case. For a linear array the directivity will always...
    19 KB (2,877 words) - 01:35, 22 November 2024
  • Thumbnail for Transient Array Radio Telescope
    antenna array, RF Front End, radio Hub and basestation. The antenna array consists of 24 antennas arranged on four identical 'tiles' with 6 antennas each...
    10 KB (1,091 words) - 11:18, 26 April 2025
  • Thumbnail for Patch antenna
    Multiple patch antennas on the same substrate (see image) called microstrip antennas, can be used to make high gain array antennas, and phased arrays in which...
    3 KB (323 words) - 18:18, 3 November 2024
  • Thumbnail for Beamforming
    technique used in sensor arrays for directional signal transmission or reception. This is achieved by combining elements in an antenna array in such a way that...
    22 KB (3,019 words) - 00:41, 25 April 2025
  • Thumbnail for Moxon antenna
    The Moxon antenna or Moxon rectangle is a simple and mechanically rugged two-element parasitic array, single-frequency antenna. It takes its name from...
    6 KB (652 words) - 18:59, 28 April 2025
  • Driven and parasitic elements (category Antennas (radio))
    In an antenna array made of multiple conductive elements (typically metal rods), a driven element or active element (also called driven radiator or active...
    9 KB (1,093 words) - 04:44, 30 December 2024
  • Thumbnail for Dipole antenna
    low-gain antennas, dipoles are also employed as driven elements in more complex antenna designs such as the Yagi antenna and driven arrays. Dipole antennas (or...
    89 KB (12,468 words) - 04:04, 14 April 2025
  • The combined antenna then operates tolerably well on at least twice as many frequencies as a simple antenna. Array antennas Array antennas are made out...
    114 KB (15,035 words) - 10:46, 4 May 2025
  • Thumbnail for Array processing
    dimensional array geometries. Array structure can be defined as a set of sensors that are spatially separated, e.g. radio antenna and seismic arrays. The sensors...
    36 KB (5,733 words) - 12:52, 31 December 2024
  • Thumbnail for MIMO radar
    multiple-outputs (antennas), similar to MIMO techniques used to increase the capacity of a radio link. MIMO radar is an advanced type of phased array radar employing...
    7 KB (1,010 words) - 21:09, 6 January 2024
  • Thumbnail for Adcock antenna
    The Adcock antenna is an antenna array consisting of four equidistant vertical elements which can be used to transmit or receive directional radio waves...
    8 KB (744 words) - 15:00, 29 September 2023
  • Thumbnail for Direction finding
    of all U-boats sunk during the war. Modern systems often used phased array antennas to allow rapid beamforming for highly accurate results, and are part...
    73 KB (10,458 words) - 20:04, 4 May 2025
  • Thumbnail for DRDO AEW&CS
    for integration with the Indian-designed antenna. In June 2010, it was reported that the Active Array Antenna Unit (AAAU), developed by DRDO's Centre for...
    34 KB (3,601 words) - 21:14, 25 April 2025