amplitude - определение. Что такое amplitude
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Что (кто) такое amplitude - определение

PHYSICAL QUANTITY; (OF A PERIODIC VARIABLE) MEASURE OF ITS CHANGE OVER A SINGLE PERIOD (SUCH AS TIME OR SPATIAL PERIOD)
Pulse amplitude; Peak-to-peak; Amplitude (wave motion); Peak amplitude; Peak to peak; Peak value; Wave amplitude; Semi-amplitude; Amplitudes; RMS amplitude; Root mean square amplitude; Root mean square (RMS) amplitude; Root-mean-square amplitude; Amplitude (music); Peak-to-peak amplitude; True RMS voltmeter; Peak level; Peak–trough difference; Peak-trough difference; Peak-trough diff; Peak-trough diff.; Peak–trough diff.; Peak-trough differences; Peak-to-trough differences; Peak–trough differences
  •  [[Wave period]] (not an amplitude)
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amplitude         
(amplitudes)
In physics, the amplitude of a sound wave or electrical signal is its strength. (TECHNICAL)
N-VAR
amplitude         
¦ noun
1. Physics the maximum extent or magnitude of a vibration or other oscillating phenomenon, measured from the equilibrium position or average value.
2. breadth, range, or magnitude.
3. Astronomy the angular distance of a celestial object from the true east or west point of the horizon at rising or setting.
Origin
C16: from L. amplitudo, from amplus 'large, abundant'.
Amplitude         
·noun Of extent of means or resources.
II. Amplitude ·noun Of extent of capacity or intellectual powers.
III. Amplitude ·noun Largeness, in a figurative sense; breadth; abundance; fullness.
IV. Amplitude ·noun State of being ample; extent of surface or space; largeness of dimensions; size.
V. Amplitude ·noun The horizontal line which measures the distance to which a projectile is thrown; the range.
VI. Amplitude ·noun An angle upon which the value of some function depends;
- a term used more especially in connection with elliptic functions.
VII. Amplitude ·noun The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.
VIII. Amplitude ·noun The extent of a movement measured from the starting point or position of equilibrium;
- applied especially to vibratory movements.
IX. Amplitude ·noun The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.
amplitude         
n.
1.
Bulk, size, bulkiness, largeness, bigness, greatness, volume, capaciousness, width, breadth, extent, spaciousness, roominess, dimensions, mass.
2.
Range, reach, sweep, compass, extent, scope, swing.
3.
(Astron.) Angular distance (from the east or the west point), angular easting or westing.
Amplitude         
The amplitude of a periodic variable is a measure of its change in a single period (such as time or spatial period). The amplitude of a non-periodic signal is its magnitude compared with a reference value.
Amplitude versus offset         
  • Diagram showing how to construct an AVO [[Cross-plot]]
  • Diagram showing the mode conversions that occur when a P-wave reflects off an interface at non-normal incidence
TERM FOR REFERRING TO THE DEPENDENCY OF THE SEISMIC ATTRIBUTE, AMPLITUDE, WITH THE DISTANCE BETWEEN THE SOURCE AND RECEIVER
Amplitude Variation with Offset; Amplitude Versus Offset; Amplitude variation with offset
In geophysics and reflection seismology, amplitude versus offset (AVO) or amplitude variation with offset is the general term for referring to the dependency of the seismic attribute, amplitude, with the distance between the source and receiver (the offset). AVO analysis is a technique that geophysicists can execute on seismic data to determine a rock's fluid content, porosity, density or seismic velocity, shear wave information, fluid indicators (hydrocarbon indications).
Amplitude Modulation         
  • alt=Sonogram of an AM signal, showing the carrier and both sidebands vertically
  • alt=Diagrams of an AM signal, with formulas
  • alt=Graphs illustrating how signal intelligibility increases with modulation index, but only up to 100% using standard AM.
  • Illustration of amplitude modulation
IN AMPLITUDE MODULATION, THE AMPLITUDE (SIGNAL STRENGTH) OF THE CARRIER WAVE IS VARIED IN PROPORTION TO THE WAVEFORM BEING TRANSMITTED
Amplitude Modulation; Amplitude modulated; Double-sideband reduced carrier; Amplitude modulator; Amplitude-modulation detector; Amplitude-modulation radio; Amplitude-modulation; Amplitude Based; DSBAM; Clamp tube modulation; Heising modulation; Amplitude Modulated
<communications> (AM) A method of encoding data by varying the amplitude of a constant frequency carrier. Contrast Frequency Modulation. (2001-04-30)
Amplitude modulation         
  • alt=Sonogram of an AM signal, showing the carrier and both sidebands vertically
  • alt=Diagrams of an AM signal, with formulas
  • alt=Graphs illustrating how signal intelligibility increases with modulation index, but only up to 100% using standard AM.
  • Illustration of amplitude modulation
IN AMPLITUDE MODULATION, THE AMPLITUDE (SIGNAL STRENGTH) OF THE CARRIER WAVE IS VARIED IN PROPORTION TO THE WAVEFORM BEING TRANSMITTED
Amplitude Modulation; Amplitude modulated; Double-sideband reduced carrier; Amplitude modulator; Amplitude-modulation detector; Amplitude-modulation radio; Amplitude-modulation; Amplitude Based; DSBAM; Clamp tube modulation; Heising modulation; Amplitude Modulated
Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to that of the message signal, such as an audio signal.
Probability amplitude         
COMPLEX NUMBER WHOSE SQUARED ABSOLUTE VALUE IS A PROBABILITY
Born probability; Quantum amplitude; Transition amplitude; Complex probability amplitude; Complex-valued probability amplitude
In quantum mechanics, a probability amplitude is a complex number used for describing the behaviour of systems. The modulus squared of this quantity represents a probability density.
amplitude modulation         
  • alt=Sonogram of an AM signal, showing the carrier and both sidebands vertically
  • alt=Diagrams of an AM signal, with formulas
  • alt=Graphs illustrating how signal intelligibility increases with modulation index, but only up to 100% using standard AM.
  • Illustration of amplitude modulation
IN AMPLITUDE MODULATION, THE AMPLITUDE (SIGNAL STRENGTH) OF THE CARRIER WAVE IS VARIED IN PROPORTION TO THE WAVEFORM BEING TRANSMITTED
Amplitude Modulation; Amplitude modulated; Double-sideband reduced carrier; Amplitude modulator; Amplitude-modulation detector; Amplitude-modulation radio; Amplitude-modulation; Amplitude Based; DSBAM; Clamp tube modulation; Heising modulation; Amplitude Modulated
¦ noun the modulation of a wave by varying its amplitude, used especially as a means of broadcasting an audio signal by combining it with a radio carrier wave.

Википедия

Amplitude

The amplitude of a periodic variable is a measure of its change in a single period (such as time or spatial period). The amplitude of a non-periodic signal is its magnitude compared with a reference value. There are various definitions of amplitude (see below), which are all functions of the magnitude of the differences between the variable's extreme values. In older texts, the phase of a periodic function is sometimes called the amplitude.