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Definition

Single Event Upset

SEU

A bit flip in a memory cell or register caused by a single ionizing particle striking sensitive circuit nodes. Mitigated through EDAC, hardware redundancy, or rad-hard parts.

Related terms

Space Mission Analysis and DesignSMAD

The standard methodology for spacecraft mission engineering, covering the full lifecycle from concept studies through op...

Sun-Synchronous OrbitSSO

A near-polar LEO orbit where the orbital plane precesses at the same rate as Earth's revolution around the Sun. Provides...

Suspect Link

A traceability link flagged for review because the source or destination requirement has been modified. Suspect links in...

System Requirements ReviewSRR

A phase gate review that evaluates whether the system requirements are complete, consistent, and testable before proceed...

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