Dictionary:Listening period, listen time

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{{#category_index:L|listening period, listen time}} 1. The time between periodic inputs. In time-domain IP surveying, responses are measured during ‘‘listening periods’’ between periods of current application. In Doppler-sonar navigation, the frequency is measured during the listening periods between transmissions. 2. The time data are recorded after the cessation of source energy input. In vibroseis, the time between the end of the sweep and the end of the record.