| http://www.w3.org/ns/prov#value | - If L is the total length of the scan of the beam, and l the length of the portion of L from which data samples are taken, the ratio of l to L is a quantity called the duty factor ??, given by l=??L. This duty factor is a measure of the amount of overhead on the system due to this property of the AOD. The quantity 1 is thus the length of the sweep referred to above.
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