Threshold signal

{
  "id": "MLC-T-MET-009643",
  "term": "Threshold signal",
  "field": "Meteorology and atmospheric science",
  "definition": "The minimum detectable signal strength required for a sensor or instrument to register a measurement above its inherent noise level. This value determines the sensitivity of a meteorological instrument to atmospheric phenomena. For example, a radar system has a threshold signal below which it cannot detect precipitation.",
  "synonyms": [
    "minimum detectable signal"
  ],
  "see_also": [
    "saturation signal"
  ],
  "url": "https://mlchart.com/terminology/meteorology/threshold-signal/"
}