Concept information
Preferred term
frequency
Type
-
http://www.irandoc.ac.ir/onto/irandoc-meta/Concept
Broader concept
Narrower concepts
Definitions
- The rate of recurrence of any periodic phenomenon, often associated with waves of all kinds. Without qualification frequency often means temporal frequency, the rate of recurrence of a time-varying function, but could mean spatial frequency, the rate of recurrence of a space-varying function. Spatial frequency is the reciprocal of the repeat distance (sometimes the wavelength). The dimensions of (temporal) frequency are inverse time. A common unit for frequency is cycle per second, formerly abbreviated cps, but superseded by hertz, abbreviated as Hz.
Obsolete
- false
In other languages
-
Persian
URI
http://www.irandoc.acir/onto/irandoc/SWEETT19660
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