relative knowledge error (RKE)

Definition

difference between the instantaneous knowledge error at a given time, and its mean value over a time interval containing that time

Notes

  • NOTE 1 This is expressed by:
  • NOTE 2 As stated here the exact relationship between t and Dt is not well defined. Depending on the system it can be appropriate to specify it more precisely: e.g. t is randomly chosen within Dt, or t is at the end of Dt. See annex A.1.4 for discussion of how to specify the interval Dt, and annex A.1.3 for defining requirements on the knowledge error.
Glossary app image

ECSS Glossary mobile applications

ECSS Glossary mobile apps available from iOS and Android store and ECSS Glossary Plugin for MS Word available from Microsoft Appstore
Search the online Glossary