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What (who) is signature generator - definition
WIKIMEDIA DISAMBIGUATION PAGE
Signature (mathematics); Signature (album)
Metric signature
MATHEMATICAL CONCEPT
Signature change; Signature (physics); Euclidean signature; +---; -+++; Lorentz signature; Mostly Plus; Mostly Minus; Signature of the metric
In mathematics, the signature of a metric tensor g (or equivalently, a real quadratic form thought of as a real symmetric bilinear form on a finite-dimensional vector space) is the number (counted with multiplicity) of positive, negative and zero eigenvalues of the real symmetric matrix of the metric tensor with respect to a basis. In relativistic physics, the v represents the time or virtual dimension, and the p for the space and physical dimension.
Electric generator
![Hydroelectric power station at [[Gabčíkovo Dam]], [[Slovakia]]](https://commons.wikimedia.org/wiki/Special:FilePath/DSCN1028.JPG?width=200 "Hydroelectric power station at [[Gabčíkovo Dam]], [[Slovakia]]")
![Protesters at [[Occupy Wall Street]] using bicycles connected to a motor and one-way diode to charge batteries for their electronics<ref>[http://cityroom.blogs.nytimes.com/2011/10/30/with-generators-gone-wall-street-protesters-try-bicycle-power/ With Generators Gone, Wall Street Protesters Try Bicycle Power], Colin Moynihan, ''New York Times'', 30 October 2011; accessed 2 November 2011</ref>](https://commons.wikimedia.org/wiki/Special:FilePath/Day 47 Occupy Wall Street November 2 2011 Shankbone 15.JPG?width=200 "Protesters at [[Occupy Wall Street]] using bicycles connected to a motor and one-way diode to charge batteries for their electronics<ref>[http://cityroom.blogs.nytimes.com/2011/10/30/with-generators-gone-wall-street-protesters-try-bicycle-power/ With Generators Gone, Wall Street Protesters Try Bicycle Power], Colin Moynihan, ''New York Times'', 30 October 2011; accessed 2 November 2011</ref>")
![The [[Faraday disk]] was the first electric generator. The horseshoe-shaped magnet ''(A)'' created a magnetic field through the disk ''(D)''. When the disk was turned, this induced an electric current radially outward from the center toward the rim. The current flowed out through the sliding spring contact ''m'', through the external circuit, and back into the center of the disk through the axle.](https://commons.wikimedia.org/wiki/Special:FilePath/Faraday disk generator.jpg?width=200 "The [[Faraday disk]] was the first electric generator. The horseshoe-shaped magnet ''(A)'' created a magnetic field through the disk ''(D)''. When the disk was turned, this induced an electric current radially outward from the center toward the rim. The current flowed out through the sliding spring contact ''m'', through the external circuit, and back into the center of the disk through the axle.")
![alternating current generator]], c. 1900.](https://commons.wikimedia.org/wiki/Special:FilePath/Ferranti two-phase generator set (Rankin Kennedy, Electrical Installations, Vol III, 1903).jpg?width=200 "alternating current generator]], c. 1900.")
![Early [[Ganz]] Generator in [[Zwevegem]], [[West Flanders]], [[Belgium]]](https://commons.wikimedia.org/wiki/Special:FilePath/Generator-20071117.jpg?width=200 "Early [[Ganz]] Generator in [[Zwevegem]], [[West Flanders]], [[Belgium]]")
![The [[Athlone Power Station]] in [[Cape Town]], [[South Africa]]](https://commons.wikimedia.org/wiki/Special:FilePath/Greater Cape Town 12.02.2007 16-41-31.2007 16-41-33.JPG?width=200 "The [[Athlone Power Station]] in [[Cape Town]], [[South Africa]]")
![commutator]] needed for high power applications.](https://commons.wikimedia.org/wiki/Special:FilePath/High-Current Copper-Brush Commutated Dynamo.jpg?width=200 "commutator]] needed for high power applications.")
![kVA]] direct-driven power station AC alternator, with a separate belt-driven exciter generator.](https://commons.wikimedia.org/wiki/Special:FilePath/Murray Alternator with Belt-Driven Exciter.jpg?width=200 "kVA]] direct-driven power station AC alternator, with a separate belt-driven exciter generator.")
![[[Hippolyte Pixii]]'s dynamo. The commutator is located on the shaft below the spinning magnet.](https://commons.wikimedia.org/wiki/Special:FilePath/Wechselstromerzeuger Crop LevelAdj.jpg?width=200 "[[Hippolyte Pixii]]'s dynamo. The commutator is located on the shaft below the spinning magnet.")
DEVICE THAT CONVERTS OTHER ENERGY TO ELECTRICAL ENERGY
Generator (device); Electrical generators; Power unit; Electricity generator; Direct-current generator; Emergency vehicle generator; Energy generator; Electric generators; Turbine generator (TG); AC generator; Tachogenerator; Electric power generator; Electrical Generator; Electrical generator; DC Generator; Turbine generator; Energy generation; DC generator; Generator (electricity)
In electricity generation, a generatorAlso called electric generator, electrical generator, and electromagnetic generator. is a device that converts motive power (mechanical energy) into electric power for use in an external circuit.
time signature
![String Quartet No. 2 in F major]], showing a multiple time signature](https://commons.wikimedia.org/wiki/Special:FilePath/Tchaikovsky String Quartet in F excerpt.png?width=200 "String Quartet No. 2 in F major]], showing a multiple time signature")
SPECIFICATION OF BEATS IN A MUSICAL BAR OR MEASURE
Common time; 4/4 time; Meter signature; Time signatures; Time-signature; 4/4 beat; Time (music); 6/8 Time; Irregular time signatures; Irregular time signature; Odd time signature; Odd time signatures; Unusual time signature; Unusual time signatures; Waltz time; Time Signature; Additive meter; Eight to the bar; Eight to the Bar; 6/8 time; Complex time signature; Complex meter; Commontime; 13/8; Three-quarter time; 𝄴; Common-time; Usual time signature; Mixed meter; Asymmetric time signatures; Irrational time signature; Irrational meter; Non-dyadic time signature; Non-dyadic meter; Odd meter; 4/4 music; 5/4 music; 7/4 music; 11/4 music
(time signatures)
The time signature of a piece of music consists of two numbers written at the beginning that show how many beats there are in each bar.
N-COUNT
Wikipedia
Signature (disambiguation)
A signature is a hand-written, possibly stylized, version of someone's name, which may be used to confirm the person's identity. The writer of a signature is a signatory or signer.
Signature or signatory may also refer to:
