Theoretical oscillators edit
"a tuned electronic circuit used to generate a continuous output waveform", or
a "pattern that returns to its original state, in the same orientation and position, after a finite number of generations"
is called an oscillator.
See also edit
- "oscillator, In: Wiktionary". San Francisco, California: Wikimedia Foundation, Inc. 10 January 2014. Retrieved 2014-08-15.