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LATENT REFERENCES / TAG2

nyquist frequency

This reference note belongs to Tag2 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Open source resources. The note preserves its source text and links so that readers can trace the material behind the 3D map.

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Tag2
Archive region
Open source resources

Archived reference note

English translation of the archived note. JP shows the original text. Source links and literal code are retained; the translation does not update or independently verify the source claims.

Originally a sampling theorem in digitizing analog signals, referring to the fact that “only frequencies up to half the sampling frequency can be reproduced.” By extension, it is also used for the frequency constituting the main component of a digitally transmitted signal.

Source updated 2023-07-30 · Snapshot 2026-10-08

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