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Array Gain

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  • Array gain — In MIMO communication systems, array gain means a power gain of transmitted signals that is achieved by using multiple antennas at transmitter and/or receiver. It can be simply called power gain …   Wikipedia

  • array — A system of transmitting or receiving aerials made up of two or more identical aerials to give a greatly multiplied gain in desired direction. The aerials may be arranged in the direction of transmission (alignment array or endon array) or… …   Aviation dictionary

  • Diversity gain — In wireless communications, diversity gain is the increase in signal to interference ratio due to some diversity scheme, or how much the transmission power can be reduced when a diversity scheme is introduced, without a performance loss.… …   Wikipedia

  • Dot gain — (also known as Tonal Value Increase) is a phenomenon in offset lithography and some other forms of printing which causes printed material to look darker than intended. It is caused by halftone dots growing in area between the original printing… …   Wikipedia

  • Phased array — This article is about general theory and electromagnetic phased array. For the ultrasonic and medical imaging application, see phased array ultrasonics. In wave theory, a phased array is a group of antennas in which the relative phases of the… …   Wikipedia

  • Collinear antenna array — An antenna mast with four colinear directional arrays. In telecommunications, a collinear (or co linear) antenna array is an array of dipole antennas mounted in such a manner that the corresponding elements of each antenna are parallel and… …   Wikipedia

  • Line array — The term line array means a speaker system that is made up of a varying number of vertically arranged units which give the effect of a single sound source with the same dimensions as the total of the unit of which is made up, the performance of… …   Wikipedia

  • Line array — Sommaire 1 Définition 2 Principes acoustiques 3 Avantage de ce type de systèmes 4 Inconvénients du système …   Wikipédia en Français

  • Redundant Array of Inexpensive Disks — RAID (informatique) Pour les articles homonymes, voir Raid. En informatique, le mot RAID désigne une technologie permettant de stocker des données sur de multiples disques durs afin d améliorer, en fonction du type de RAID choisi, la tolérance… …   Wikipédia en Français

  • Redundant Array of Inexpensive Disks (RAID) — RAID (informatique) Pour les articles homonymes, voir Raid. En informatique, le mot RAID désigne une technologie permettant de stocker des données sur de multiples disques durs afin d améliorer, en fonction du type de RAID choisi, la tolérance… …   Wikipédia en Français

  • SNP array — In molecular biology and bioinformatics, a SNP array is a type of DNA microarray which is used to detect polymorphisms within a population. A single nucleotide polymorphism (SNP), a variation at a single site in DNA, is the most frequent type of… …   Wikipedia

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