Amplitude-modulated indicator

{
  "id": "MLC-T-MET-003485",
  "term": "Amplitude-modulated indicator",
  "field": "Meteorology and atmospheric science",
  "definition": "A display device that presents information by varying the brightness or intensity of a signal in proportion to its amplitude. This type of indicator was historically used in early radar systems to show the strength of returned echoes. It provides a visual representation of signal strength.",
  "synonyms": [
    "deflection-modulated indicator"
  ],
  "url": "https://mlchart.com/terminology/meteorology/amplitude-modulated-indicator/"
}