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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Beamforming (redirect from Antenna 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
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
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
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
MIMO radar (section The concept of virtual array)
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
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
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
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