Oscillation
Oscillation
Oscillation (/ɒsɪˈleɪʃən/) is a term used in various fields of study, including physics, engineering, and mathematics. It refers to the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.
Etymology
The term "oscillation" comes from the Latin word "oscillatio", which means "a swinging".
Related Terms
- Amplitude: The maximum extent of an oscillation or vibration, measured from the position of equilibrium.
- Frequency: The number of occurrences of a repeating event per unit of time.
- Period: The time taken for one complete cycle of vibration to pass a given point.
- Phase: The position of a point in time (an instant) on a waveform cycle.
- Resonance: The increase in amplitude of oscillation of an electric or mechanical system exposed to a periodic force whose frequency is equal or very close to the natural undamped frequency of the system.
In Medicine
In the field of medicine, oscillation can refer to the rhythmic fluctuation of a body organ or system. For example, the heart oscillates between systole (contraction) and diastole (relaxation), and the lungs oscillate between inhalation and exhalation.
In Physics
In physics, an oscillation can be a periodic motion that repeats itself in a regular cycle, such as a sine wave—a wave with smooth periodic oscillations. Examples include the oscillations of a pendulum or a mass on a spring.
In Engineering
In engineering, oscillation can refer to any periodic fluctuation in a system about a certain point, often a point of equilibrium. This can be seen in systems such as a swinging pendulum, an AC electrical circuit, or a vibrating string.
External links
- Medical encyclopedia article on Oscillation
- Wikipedia's article - Oscillation
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