modulation

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mod·u·la·tion

 (mŏj′ə-lā′shən)
n.
1. The act or process of modulating.
2. The state of being modulated.
3. Music
a. A passing or transition from one key or tonality to another.
b. The result of such a transition.
4.
a. A change in stress, pitch, loudness, or tone of the voice; an inflection of the voice.
b. An instance of such a change or an inflection.
5. The harmonious use of language, as in poetry or prose.
6. Electronics The variation of a property of an electromagnetic wave or signal, such as its amplitude, frequency, or phase.

modulation

(ˌmɒdjʊˈleɪʃən)
n
1. the act of modulating or the condition of being modulated
2. (Music, other) music the transition from one key to another
3. (Phonetics & Phonology) grammar
a. another word for intonation1
b. the grammatical expression of modality
4. (Electrical Engineering) electrical engineering
a. the act or process of superimposing the amplitude, frequency, phase, etc, of a wave or signal onto another wave (the carrier wave) or signal or onto an electron beam. See also amplitude modulation, frequency modulation, phase modulation, velocity modulation
b. the variation of the modulated signal

mod•u•la•tion

(ˌmɒdʒ əˈleɪ ʃən, ˌmɒd yə-)

n.
1. the act of modulating.
2. the state of being modulated.
3. harmonic movement from one key to a related key.
4. the use of a particular distribution of stress or pitch in an utterance to show meaning, as the use of rising pitch on here in John is here?
[1350–1400; Middle English < Latin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.modulation - a musical passage moving from one key to anothermodulation - a musical passage moving from one key to another
musical passage, passage - a short section of a musical composition
2.modulation - (electronics) the transmission of a signal by using it to vary a carrier wavemodulation - (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase
electronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices
transmission - communication by means of transmitted signals
amplitude modulation, AM - modulation of the amplitude of the (radio) carrier wave
FM, frequency modulation - modulation of the frequency of the (radio) carrier wave
phase modulation, PM - modulation of the phase of the carrier wave
pulse modulation - modulation that imposes a signal on a train of pulses
3.modulation - rise and fall of the voice pitchmodulation - rise and fall of the voice pitch  
prosody, inflection - the patterns of stress and intonation in a language
intonation pattern - intonations characteristic of questions and requests and statements
droning, monotone, drone - an unchanging intonation
singsong - a regular and monotonous rising and falling intonation
4.modulation - a manner of speaking in which the loudness or pitch or tone of the voice is modifiedmodulation - a manner of speaking in which the loudness or pitch or tone of the voice is modified
manner of speaking, delivery, speech - your characteristic style or manner of expressing yourself orally; "his manner of speaking was quite abrupt"; "her speech was barren of southernisms"; "I detected a slight accent in his speech"
5.modulation - the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
revision, alteration - the act of revising or altering (involving reconsideration and modification); "it would require a drastic revision of his opinion"
Translations

modulation

[ˌmɒdjʊˈleɪʃən] N (Mus, Phys) → modulación f

modulation

[ˌmɒdʒʊˈleɪʃən] n
[sound, voice] → modulation f; [frequency] → modulation f
[activity, process] → modulation f

modulation

n (Mus, Rad) → Modulation f

modulation

[ˌmɒdjʊˈleɪʃn] nmodulazione f

mod·u·la·tion

n. modulación, acto de ajustar o adaptar tal como ocurre en la inflexión de la voz.
References in periodicals archive ?
For digital modulation types, eight samples are used to represent a symbol.
Digital modulation such as M-ary QAM is very much advantageous due to noise immunity and robustness to channel impairments (Haque et al., 2012).
(2) In the digital modulation, the transmission symbols are switched at fixed time intervals.
The report said Asia Pacific currently holds the largest market share of revenue due to the wide use of technologies such as Bluetooth and wireless services among consumers, and that digital modulation technology will lead to arbitrary wave signal generator growth in that region.
This information is further transmitted to GSM through digital modulation techniques.
The units can output min/max signals of 1.0mVpp to 10Vpp into 50ohms and provide analog and digital modulation functions that include AM, FM, PM, ASK, FSK, PSK, and PWM.
As compared to analog modulation, digital modulation schemes transform digital signals into waveform that are compatible with properties of the communications channel.
The latter features an ultra-low-latency H.264 codec technology and multi-level digital modulation for long-distance triax transport of 3Gbps 1080p video, plus intercom, teleprompter returns and other signals.
The MIMO-OFDM model is simulated for different digital modulation schemes (QPSK, 16-QAM) under Rayleigh channel with the help of MATLAB.
The dual-purpose CU-HD-1300FT offers both optical fiber connectivity and Hitachi Kokusai's advanced triax system, which features ultra-low-latency H.264 codec technology and multi-level digital modulation for long-distance triax transmission of high bit-rate signals.
Nine chapters are: introduction; signal and systems; the elements of digital communication system; mobile radio channels; elements of digital modulation; digital modulation/demodulation for mobile radio communication; other topics in digital mobile radio transmission; equipment and circuits for digital mobile radio; digital mobile radio communication systems.
The classification of digital modulation formats on fading channels is evaluated.

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