Gain or GAIN may refer to:
Science and technology
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Gain (electronics)
In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal. It i ...
, an electronics and signal processing term
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Antenna gain
In electromagnetics, an antenna's gain is a key performance parameter which combines the antenna's directivity and radiation efficiency. The term ''power gain'' has been deprecated by IEEE. In a transmitting antenna, the gain describes h ...
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Gain (laser) In laser physics, gain or amplification is a process where the medium transfers part of its energy to the emitted electromagnetic radiation, resulting in an increase in optical power. This is the basic principle of all lasers.
Quantitatively, ''gai ...
, the amplification involved in laser emission
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Gain (projection screens)
Gain is a property of a projection screen, and is one of the specifications quoted by projection screen manufacturers.
Interpretation
The number that is typically measured is called the peak gain at zero degrees viewing axis, and represents the ...
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Information gain in decision trees
In information theory and machine learning, information gain is a synonym for ''Kullback–Leibler divergence''; the amount of information gained about a random variable or signal from observing another random variable. However, in the context of ...
, in mathematics and computer science
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GAIN domain
The GAIN domain (G-protein-coupled receptor (GPCR) autoproteolysis-inducing domain) is a protein domain found in a number of cell surface receptors, including adhesion-GPCRs
Adhesion G protein-coupled receptors (adhesion GPCRs) are a class of ...
, a protein domain
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Learning rate
In machine learning and statistics, the learning rate is a Hyperparameter (machine learning), tuning parameter in an Mathematical optimization, optimization algorithm that determines the step size at each iteration while moving toward a minimum of ...
, a tuning parameter in stochastic approximation methods, also known as gain
Health
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Primary and secondary gain
Primary gain and secondary gain, and more rarely tertiary gain, are terms used in medicine and psychology to describe the significant subconscious psychological motivators patients may have when presenting with symptoms. It is important to note t ...
, psychological mechanisms that may underlie an illness
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Global Appraisal of Individual Needs
The Global Appraisal of Individual Needs (GAIN) is a family of evidence-based instruments used to assist clinicians with diagnosis, placement, and treatment planning. The GAIN is used with both adolescents and adults in all kinds of treatment prog ...
, a set of psychological assessment instruments
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Global Alliance for Improved Nutrition
The Global Alliance for Improved Nutrition (GAIN) is a non-profit foundation based in Geneva, Switzerland. GAIN was developed at the UN 2002 Special Session of the General Assembly on Children. GAIN’s actions include improving the consumption ...
, a Swiss Foundation working in the field of malnutrition
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Generating Antibiotic Incentives Now, a piece of American legislation
People
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Gain (singer)
Son Ga-in (; born September 20, 1987), known mononymously as Gain, is a South Korean singer, actress and entertainer, best known as a member of the South Korean girl group Brown Eyed Girls. Having debuted with her home group earlier in 2006, G ...
, a South Korean entertainer
* Gain, anglicised form of Indian surname
Gayen
Gayen, sometimes anglicised as Gain, is a Bengali surname found in the Indian subcontinent, mainly in the Indian states of West Bengal, Odisha and Assam. In Bengali, the title ''Gayen'' (গায়েন) referred to anyone involved in the med ...
Other uses
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Gain (accounting)
In financial accounting (CON 8.4), a gain is when the market value of an asset exceeds the purchase price of that asset. The gain is unrealized until the asset is sold for cash, at which point it becomes a realized gain. This is an important distin ...
, the increase of net profit
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''Gain'' (novel), a novel by American author Richard Powers
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''Gain'' (EP), an album by Sadie
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Gain (detergent)
Procter & Gamble (P&G) is an American multinational consumer goods corporation with a portfolio of brands.
Brands with net sales of more than US$1 billion annually
As of 2015, the company stated it owned the following brands with net annual sales ...
, a brand of detergent
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GAIN Capital
GAIN Capital is a US-based provider of online trading services, headquartered in Bedminster, New Jersey, Bedminster, New Jersey. The company provides market access and trade execution services in forex, foreign exchange, Contract For Difference, c ...
, a US-based forex trading company
* Greater Avenues to Independence program, a precursor to the American
CalWORKs The California Work Opportunities and Responsibility to Kids (CalWORKs) program is the California welfare implementation of the federal welfare-to-work Temporary Assistance for Needy Families (TANF) program that provides cash aid and services to eli ...
welfare program
See also
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Gein (disambiguation)
Gein may refer to:
;People
*Ed Gein
Edward Theodore Gein (; August 27, 1906 – July 26, 1984), also known as the Butcher of Plainfield or the Plainfield Ghoul, was an American murderer and body snatcher. Gein's crimes, committed around hi ...
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Gayn (disambiguation) Gayn may refer to:
* Ghayn, an Arabic letter
* Gayn, a surname:
** Mark Gayn, American/Canadian journalist
See also
* Gayne
{{unreferenced, date=August 2011
An explosive booster is a sensitive explosive charge that acts as a bridge between a (r ...
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Gane
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Gian
Gian is a masculine Italian given name. It is a variant of Gianni and is likewise used as a diminutive of Giovanni, the Italian form of John.
In Italian, any name including Giovanni can be contracted to Gian, particularly in combination with ...
{{disambiguation