Difference between revisions of "Frequency"

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'''Frequency''' is a measure of how many times a given event happens in a given period of time. It is directly related to [[wave]] mechanics, and is the reciprocal of [[period]]. The [[International_System_of_Units | SI unit]] of frequency is the [[hertz]] (Hz), which corresponds to a single cycle per second, giving it the general unit of ''s''<sup>-1</sup>. Frequency cannot be modified by a physical process, although phenomena such as the [[Doppler Effect]] can change how frequency is perceived by a person in motion towards or away from an audio source.
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'''Frequency''' is a measure of how many times a given event happens in a given period of time. It is directly related to [[wave]] mechanics, and is the reciprocal of [[period]]. The [[International System of Units|SI unit]] of frequency is the [[hertz]] (Hz), which corresponds to a single cycle per second, giving it the general unit of ''s''<sup>−1</sup>. Frequency cannot be modified by a physical process, although phenomena such as the [[Doppler Effect]] can change how frequency is perceived by a person in motion towards or away from an audio source.
  
 
[[Category:Physics]]
 
[[Category:Physics]]
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==References==
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{{reflist}}
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[[Category:Electrical Engineering]]
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[[Category:Electronics]]
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[[Category:Radio]]
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[[Category:Amateur Radio]]
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[[Category:Hobbies|Amateur Radio]]

Latest revision as of 17:53, 27 June 2016

Frequency is a measure of how many times a given event happens in a given period of time. It is directly related to wave mechanics, and is the reciprocal of period. The SI unit of frequency is the hertz (Hz), which corresponds to a single cycle per second, giving it the general unit of s−1. Frequency cannot be modified by a physical process, although phenomena such as the Doppler Effect can change how frequency is perceived by a person in motion towards or away from an audio source.

References