Abstract
Abstract Pulsed solid-state coherent laser radar (lidar) systems can measure radial wind velocity to precisions well below 1 m s−1 at spatial scales on the order of 30–50 m and to ranges of several kilometres. This capability is appropriate for a variety of measurement objectives in the airport terminal area. Wake vortex detection and tracking is one of the primary objectives currently being evaluated by regulatory agencies in the United States and elsewhere. Up to now, non-invasive measurement of wake vortex properties has been limited to short-range continuous-wave lidar systems. This paper discusses this application and presents theoretical analysis and experimental results for pulsed 2 μm coherent lidar. Detection, tracking, and measurement results are presented for sample DC10, 757, and 727 aircraft landings from a laser radar wake vortex database compiled in 1993 at Denver Stapleton International Airport.
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