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modulation    音标拼音: [m,ɑdʒəl'eʃən]
n. 调音,调节,抑扬

调音,调节,抑扬

modulation
调变;调制


modulation
宽( 频 )带调频 WBFM

modulation
调变

modulation
n 1: a musical passage moving from one key to another [synonym:
{transition}, {modulation}]
2: (electronics) the transmission of a signal by using it to
vary a carrier wave; changing the carrier's amplitude or
frequency or phase
3: rise and fall of the voice pitch [synonym: {intonation},
{modulation}, {pitch contour}]
4: a manner of speaking in which the loudness or pitch or tone
of the voice is modified [synonym: {modulation}, {inflection}]
5: the act of modifying or adjusting according to due measure
and proportion (as with regard to artistic effect)

Modulation \Mod`u*la"tion\, n. [L. modulatio: cf. F.
modulation.]
1. The act of modulating, or the state of being modulated;
as, the modulation of the voice.
[1913 Webster]

2. Sound modulated; melody. [R.] --Thomson.
[1913 Webster]

3. (Mus.) 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 harmonies all center
upon a new keynote or tonic; the art of transition out of
the original key into one nearly related, and so on, it
may be, by successive changes, into a key quite remote.
There are also sudden and unprepared modulations.
[1913 Webster]

4. (Electronics) The alteration of hte amplitude, intensity,
frequency, or phase (of the carrier wave of a radio
signal) at intervals, so as to represent information to be
transmitted.
[WordNet 1.5]

124 Moby Thesaurus words for "modulation":
AM, FM, PM, abatement, about-face, accommodation, adaptation,
adjustment, allayment, alleviation, alteration, amelioration,
amplitude modulation, apostasy, arrangement, assuagement,
betterment, blunting, break, calming, change, change of heart,
changeableness, constructive change, continuity, conversion,
damping, deadening, defection, degeneration, degenerative change,
demulsion, deterioration, deviation, difference, diminution,
discontinuity, divergence, diversification, diversion, diversity,
double sideband, dulcification, dulling, easing, falling-off,
fitting, flip-flop, gradual change, harmonization, hushing,
improvement, inflection, instrumentation, intonation,
intonation pattern, leniency, lessening, letdown, letup,
lightening, loosening, lulling, melioration, mitigation,
modification, mollification, orchestration, overthrow,
pacification, palliation, phrasing, pitch, pitch accent,
preparation, qualification, quietening, quieting, radical change,
re-creation, realignment, redesign, reduction, reform, reformation,
relaxation, remaking, remission, renewal, reshaping, resolution,
restructuring, reversal, revival, revivification, revolution,
setting, shift, side frequency, sideband, slackening, softening,
solution, soothing, speech tune, subduement, sudden change,
suprasegmental, suspension, switch, tempering, tone, tone painting,
total change, tranquilization, transcription, transition, turn,
turnabout, upheaval, variation, variety, violent change,
worsening


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英文字典中文字典相关资料:


  • Signal modulation - Wikipedia
    Signal modulation techniques are fundamental methods used in wireless communication to encode information onto a carrier wave by varying its amplitude, frequency, or phase
  • Modulation | Definition, Types, Facts | Britannica
    Modulation, in electronics, technique for impressing information (voice, music, pictures, or data) on a radio-frequency carrier wave by varying one or more characteristics of the wave in accordance with the information signal
  • What is Modulation? - GeeksforGeeks
    There are three different types of demodulators for converting the AM (amplitude modulation), FM (frequency modulation), and PM (phase modulation) modulation schemes
  • Why Signals Are Modulated and Common Modulation Methods
    What is modulation? Modulation is the process of shifting a signal that needs to be transmitted to a higher-frequency carrier, achieving spectrum translation The transformation that converts an input signal into a waveform suitable for transmission over a channel is called modulation The original signal is called the modulating signal or baseband signal; the high-frequency waveform that
  • Modulation Techniques - PWM and Pulse Code Modulation
    Complete guide about different types of modulation techniques and their applications - PWM, Amplitude Modulation, Frequency Modulation, Phase Modulations
  • What is Modulation? Definition, Need of Modulation and Types of . . .
    Definition: Modulation, the process in which the carrier signal is varied according to the information bearing signal also called the modulating signal During modulation, some characteristics it can be amplitude, frequency, or phase is varied in accordance with the original information-bearing signal that has to be transmitted
  • Modulation - University of Illinois Urbana-Champaign
    C − ω mod AM methods The length of the phasor stays the same but there is an angular oscillation at the modulation frequency that is superimposed on the overall counterclockwise rotati
  • Principles of Communication - Modulation - Online Tutorials Library
    Such a process is simply called as Modulation Modulation is the process of changing the parameters of the carrier signal, in accordance with the instantaneous values of the modulating signal The baseband signals are incompatible for direct transmission
  • Modulation - an overview | ScienceDirect Topics
    This is known as modulation, which is defined as the process by which some characteristic (e g , amplitude, frequency, or phase) of a carrier wave is varied or modulated in accordance with the instantaneous value or samples of the information signal to be transmitted





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