Hartley transform

noun

An integral transform closely related to the Fourier transform, but which transforms real-valued functions to real-valued functions.

Meanings

nounHartley transform (plural Hartley transforms)

plural Hartley transforms

  1. mathematicsAn integral transform closely related to the Fourier transform, but which transforms real-valued functions to real-valued functions.

Origin

It was proposed as an alternative to the Fourier transform in 1942 by American engineer Ralph Hartley.

Full word history & related roots →
Cite this entry
APA

Hartley transform. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Hartley%20transform

MLA

“Hartley transform.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Hartley%20transform. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Hartley transform,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Hartley%20transform.

Source: Hartley transform on Wiktionary, CC BY-SA 4.0.