Glossary Term

Noise

Performance MetricsEN

Definition

Any part of a signal that is not the true or original signal but is introduced by the communication mechanism.

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C45783. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Also Known As

Data NoiseNoiseSignal Noise