autocorrelation
/ˌɔːtoʊˌkɔːrəˈleɪʃən/
noun
- A statistical measure that shows how a set of data points is related to itself over time, often used to find repeating patterns or trends.
- The scientist used autocorrelation to detect a weekly cycle in the temperature data.
- In weather forecasting, autocorrelation can show how today's temperature is related to yesterday's.
- Autocorrelation helped the economist identify a repeating pattern in stock market prices.
- In signal processing, the similarity between a signal and a delayed copy of itself, used to find repeating patterns or frequencies.
- By calculating autocorrelation, the technician could filter out noise from the recording.
- Autocorrelation of the radar signal revealed the distance to the object.
- The audio engineer applied autocorrelation to find the pitch of the musical note.