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What (who) is amplitude - definition
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
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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.
Wikipedia
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.
Examples of use of amplitude
1. "I was surprised at the level of amplitude that we were recording," Okal said.
2. The amplitude of most of these rhythms decreased and the acrophase (the point of maximum responsiveness) shifted.
3. Mereilles is trying to craft a love story crossed with international intrigue and he doesn‘t quite have the emotional amplitude to pull it off.
4. "Russia has applied unprecedented military power . . . and it is of such amplitude that it would have scared much bigger states," Alexander Lomaia, secretary of Georgia‘s National Security Council, said in an interview.
5. Laboratory research, using a texture analyser machine that "bites" into food and records the sound, showed that the apples produced far more ultrasound than the crisps or biscuits and measured significantly higher amplitude.