relative performance error (RPE)


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


  • 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 further discussion
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