Look up: modulation

1. Modulation
   The process of modifying a radio frequency by shifting its phase, frequency, or amplitude to carry information.
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2. Modulation
   The process by which some characteristic (i.e., amplitude, phase) of one wave (carrier wave) is varied in accordance with another wave (modulating or message signal).
   Found on http://www.zoo.co.uk/~z0001325/Glossary.
   
   
3. modulation
   [n] - a manner of speaking in which the loudness or pitch or tone of the voice is modified 2. [n] - (electronics) the transmission of a signal by using it to vary a carrier wave 3. [n] - the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
   Found on http://www.webdictionary.co.uk/definitio
   
   
4. modulation
   Originally a change of key in music. By analogy, the process of changing a radio transmission, the carrier, imposing a baseband signal on it by changing the carrier's amplitude - AM, or frequency - FM, or phase modulation or PSK - as in BPSK, QPSK, DQPSK and GMSK. Forms of analogue to digital conversion are called PCM, pulse code modulation, as in ADPCM.
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5. Modulation
   The control of one signal by another AC signal.
   Found on http://www.testing1212.co.uk/a.htm
   
   
6. Modulation
   The imposing of a signal on some type of transmission or storage medium, such as a radio carrier or magnetic tape. Impressing a signal onto a carrier frequency for transmission purposes. In video, a Modulator is a section within a VTR that changes the frequency of the video signal information coming...
   Found on http://www.encyclo.co.uk/local/20523
   
   
7. Modulation
   the fast oscillation of one or more operators or sound waves of a synthesized sound. Commonly used in FM synthesis to add some complexity and texture to a sound. Many MIDI controllers and keyboards provide a specific wheel or slider for controlling the modulation of an instrument sound (often referr...
   Found on http://www.traditionalmusic.co.uk/music%
   
   
8. Modulation
   movement from A section of music in one key to another key
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9. Modulation
   A coding method allowing controlled variation, with time, of any property of a wave for the purpose of transferring information.
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10. Modulation
    The process by which some characteristic of a higher frequency wave is varied in accordance with the amplitude of a lower frequency wave.
    Found on http://www.flowmeterdirectory.com/flowme
    
    
11. modulation
    variation in time of one or more given characteristics of an electromagnetic wave or of a direct current,brought about directly i.e.in facsimile telegraphy,or by means of an appropriate code,i.e.in alphabetic telegraphy,according to the contents of the document to be transmitted Category: News-sy...
    Found on http://www.mijnwoordenboek.nl/definition
    
    
12. modulation
    See neuromodulation.
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13. Modulation
    Mod`u·la'tion noun [ Latin modulatio : confer French modulation .] 1. The act of modulating, or the state of being modulated; as, the modulation of the voice. 2. Sound modulated; melody. [ R.] Thomson. ...
    Found on http://www.encyclo.co.uk/webster/M/87
    
    
14. modulation
    Synonym for neuromodulation ... Alteration in the effectiveness of voltage gated or ligand gated ion channels by changing the characteristics of current flow through the channels. The mechanism is thought to involve second messenger systems. ... (18 Nov 1997) ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
15. modulation
    noun the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
16. modulation
    noun (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier`s amplitude or frequency or phase
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
17. modulation
    (mod″u-la´shәn) the normal capacity of cell adaptability to its environment. antigenic modulation the alteration of antigenic determinants in a living cell surface membrane following interaction with antibody.
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18. Modulation
    • (n.) The act of modulating, or the state of being modulated; as, the modulation of the voice. • (n.) Sound modulated; melody. • (n.) A change of key, whether transient, or until the music becomes established in the new key; a shifting of the tonality of a piece, so that the harmonie...
    Found on http://thinkexist.com/dictionary/meaning
    
    
19. modulation
    in electronics, technique for impressing information (voice, music, picture, or data) on a radio-frequency carrier wave by varying one or more ... [5 related articles]
    Found on http://www.britannica.com/eb/a-z/m/107
    
    
20. modulation
    in music, the change from one key to another; also, the process by which this change is brought about. Modulation is a fundamental resource for ... [6 related articles]
    Found on http://www.britannica.com/eb/a-z/m/107
    
    
21. Modulation
    Modulation Changing the radio waves traveling between the reader and the transponder in ways that enable the transmission of information. Waves be changed in a variety of ways that can be picked up by the reader and turned into the ones and zeroes of binary code. Waves can be made higher or lower (...
    Found on http://www.wordinfo.info/words/index/inf
    
    
22. modulation
    Type: Term Pronunciation: mod′yū-lā′shŭn Definitions: 1. The functional and morphologic fluctuation of cells in response to changing environmental conditions. 2. Systematic variation in a characteristic (frequency, amplitude) of a sustained oscillation to code additional i...
    Found on http://www.medilexicon.com/medicaldictio
    
    
23. Modulation
    In music, modulation is the transition from one key to another. The simplest form is the change from a given key to one nearly related to it, namely, its fifth (dominant), fourth (subdominant), its relative minor, or the relative minor of its fifth. Modulation is generally resorted to in composition...
    Found on http://www.probertencyclopaedia.com/brow
    
    
24. Modulation
    [music] In music, modulation is most commonly the act or process of changing from one key (tonic, or tonal center) to another. This may or may not be accompanied by a change in key signature. Modulations articulate or create the structure or form of many pieces, as well as add interest. Trea...
    Found on http://en.wikipedia.org/wiki/Modulation_
    
    
25. Modulation
    In electronics and telecommunications, modulation is the process of varying one or more properties of a high-frequency periodic waveform, called the carrier signal, with a modulating signal which typically contains information to be transmitted. This is done in a similar fashion to a musician modul...
    Found on http://en.wikipedia.org/wiki/Modulation