Increasing measurement rate in time of flight measurement...

Details Increasing measurement rate in time of flight measurement... Increasing measurement rate in time of flight measurement...

G - Physics

01

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G01S 17/02 (2006.01) G01S 17/10 (2006.01) G01V 8/00 (2006.01) G01V 8/12 (2006.01) G01C 23/00 (2006.01) G01S 7/487 (2006.01) G01S 17/58 (2006.01)

Patent

CA 2562620

An apparatus for measuring distance to a surface is disclosed. The apparatus transmits at least one subsequent pulse of light prior to receiving a reflection of a previously sent pulse of light. Thus, multiple pulses of light are in-flight at a given time. The embodiments are applicable to terrain mapping, bathymetry, seismology, detecting faults, biomass measurement, wind speed measurement, temperature calculation, traffic speed measurement, military target identification, surface to air rangefinding, high definition survey, close range photogrammetry, atmospheric composition, meteorology, distance measurement, as well as many other applications. Examples of such apparatuses include laser ranging systems, such as light detection and ranging (LIDAR) systems, and laser scanners. Data received from the apparatus by a data processing unit can be used to create a data model, such as a point cloud, digital surface model or digital terrain model describing the surface, terrain, and/or objects.

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