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{{Wiktionary|harmonic}} |
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{{Commonscat|Harmonics}} |
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'''[[Harmonic]]''' usually refers to the frequency components of a time-varying signal, such as a musical note. |
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== Adjective == |
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'''[[Harmonic]]''' is originally an [[adjective]] relating to the combination of musical notes to create [[chord]]s.<ref name="Macmillan">From "harmonic" of the Macmillan English Dictionary, 2002, Macmillan Education, ISBN 0333966694</ref> |
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== Noun == |
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'''[[Harmonic]]''', later, becomes a noun meaning a soft high note played on a [[stringed instrument]] by not pressing the string all the way down,<ref name="Macmillan" /> and now, also {{Citation needed span|text = usually refers to the frequency components of a time-varying signal|date=May 2013}}, such as a [[musical note]]. |
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== Mathematics, science and engineering == |
== Mathematics, science and engineering == |
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* [[Simple harmonic motion]], a concept in classical mechanics |
* [[Simple harmonic motion]], a concept in classical mechanics |
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* [[Distortion#Harmonic distortion|Harmonic distortion]], a measurement of signal distortion |
* [[Distortion#Harmonic distortion|Harmonic distortion]], a measurement of signal distortion |
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* [[Harmonics (electrical power)]] |
* [[Harmonics (electrical power)]] |
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* [[harmonic series |
* [[harmonic series (mathematics)]], a divergent infinite series |
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* [[Harmonic tremor]], a rhythmic earthquake which may indicate volcanic activity |
* [[Harmonic tremor]], a rhythmic earthquake which may indicate volcanic activity |
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* [[Inharmonicity]], the degree of overtones' departure from integral multiples of the fundamental frequency |
* [[Inharmonicity]], the degree of overtones' departure from integral multiples of the fundamental frequency |
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* [[Overtone]], any resonant frequency higher than the fundamental frequency |
* [[Overtone]], any resonant frequency higher than the fundamental frequency |
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== Companies == |
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* [[Harmonic, Inc.]][http://www.harmonicinc.com/] |
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* [[Harmonic Drive AG]], also known as "[[Harmonic Drive System GmbH]]" [http://www.harmonicdrive.de/english/the-company/the-company] |
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== Other uses == |
== Other uses == |
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* [[Harmonic Convergence]], a New Age astrological term |
* [[Harmonic Convergence]], a New Age astrological term |
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* "Harmonics", the twelfth movement of Mike Oldfield's ''[[Tubular Bells 2003]]'' album |
* "Harmonics", the twelfth movement of Mike Oldfield's ''[[Tubular Bells 2003]]'' album |
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* [[Harmonic drive]], a gear also known as "[[Strain Wave Gearing]]" |
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== References == |
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<references /> |
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{{Disambig}} |
{{Disambig}} |
Revision as of 12:37, 8 May 2013
Harmonic usually refers to the frequency components of a time-varying signal, such as a musical note.
Mathematics, science and engineering
- Harmonic (mathematics), a number of concepts in mathematics
- Harmonic analysis, representing signals by superposition of basic waves
- Harmonic oscillator, a concept in classical mechanics
- Simple harmonic motion, a concept in classical mechanics
- Harmonic distortion, a measurement of signal distortion
- Harmonics (electrical power)
- harmonic series (mathematics), a divergent infinite series
- Harmonic tremor, a rhythmic earthquake which may indicate volcanic activity
Music
- Artificial harmonic, a string instrument playing technique
- Enharmonic, a "spelling" issue in music
- Guitar harmonics, a guitar playing technique
- Scale of harmonics, a musical scale based on harmonic nodes of a string
- The Harmonics, a rock a cappella group from Stanford University
- Harmony, the musical use of simultaneous pitches, or chords
- Inharmonicity, the degree of overtones' departure from integral multiples of the fundamental frequency
- Overtone, any resonant frequency higher than the fundamental frequency
Other uses
- Harmonic (color), a relationship between three colors
- Harmonic Convergence, a New Age astrological term
- "Harmonics", the twelfth movement of Mike Oldfield's Tubular Bells 2003 album