Dwell time (radar)

Dwell time (TD) in surveillance radar is the time that an antenna beam spends on a target.[1] The dwell time of a 2D–search radar depends predominantly on

  • the antenna's horizontal beam width θAZ, and
  • the turn speed n of the antenna (in rotations per minute or rpm, i.e. 360 degrees in 60 seconds = multiplied by a factor of 6).

Dwell time is calculated by:

References

 This article incorporates text by Christian Wolff available under the CC BY-SA 3.0 license.

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