The field of regard (abbreviated FOR) is the total area that can be captured by a movable sensor. It should not be confused with the field of view (FOV), which is the angular cone perceivable by the sensor at a particular time instant. The field of regard is the total area that a sensing system can perceive by pointing the sensor, which is typically much larger than the sensor's FOV.[1] For a stationary sensor, the FOR and FOV coincide.

See also

References

  1. ↑ Clark, Robert M. (2013). Intelligence Collection. CQ Press. p. 219. ISBN 978-1452271859.
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