Frequency

In mathematics, frequency is the reciprocal of time; hertz is one type of unit of frequency. It is typically associated with waveforms that resonate, for example, in communications, weapons, shields, and cloaks. 
== Types of frequencies ==
* Cloaking frequency
* Communications frequency
* Resonance frequency
* Shield frequency
* Spectral frequency
* Transponder frequency
* Warp frequency
== See also ==
* Frequency spread
* Frequency log
* Frequency modulation
* Frequency scan detector
== External link ==
* 
de:Liste von physikalischen Größen und Maßeinheiten#Frequenz
Category:Mathematics