Nyquist
/ˈnaɪkwɪst/noun
A term related to sampling theory and signal processing, named after the Swedish engineer Harry Nyquist.
Did you know?The Nyquist theorem, which defines the sampling rate for signals, echoes the ancient understanding of harmony and proportion in sound, a concept rooted in the Pythagorean tradition of mathematics and music.
Etymological Timeline
Swedish Origin
Swedish
Nyquist
“Last name of Harry Nyquist, who contributed foundational principles in communication theory.”
20th Century
English
Nyquist theorem
“A principle stating that a continuous signal can be completely reconstructed from its samples if sampled at twice the highest frequency.”
Modern Usage
English
Nyquist rate
“The minimum rate at which a signal can be sampled without introducing errors, derived from Nyquist's work.”
Contemporary Science
English
Nyquist frequency
“Half the sampling rate of a discrete signal processing system, fundamental in preventing aliasing.”