superoscillation

noun

The phenomenon by which a globally band-limited signal can contain local segments that oscillate faster than its fastest Fourier components.

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Meanings

nounsuperoscillation (usually uncountable, plural superoscillations)

plural superoscillations

  1. uncountableusuallyThe phenomenon by which a globally band-limited signal can contain local segments that oscillate faster than its fastest Fourier components.
    1 more example

    We conclude that, either superoscillations really can beat the bandlimit and achieve superresolution (`kinematic superresolution') or the superoscillating high frequency is absorbed and we gain dynamical access to the physics of high frequency processes with low frequency signals (`dynamical superresolution')..

    2015, Achim Kempf, Angus Prain, “Driving Quantum Systems with Superoscillations”, in arXiv

Origin

From super- + oscillation.

Full word history & related roots →
Cite this entry
APA

superoscillation. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/superoscillation

MLA

“superoscillation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/superoscillation. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “superoscillation,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/superoscillation.

Source: superoscillation on Wiktionary, CC BY-SA 4.0.