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efficiency (of a detector)

5.13  efficiency (of a detector). Signal-to-noise energy ratio required by an ideal detector divided by the signal-to-noise energy ratio required by the detector under study when the performance of the detectors is the same. Symbol, η.

Annotation         The detector may be a human subject or any other decision-making creature or device.

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Related Terms:
  • Term: ideal detector
  • Term: efficiency
  • Term: signal
  • Term: noise

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