(laser range finder) may be used to scan buildings, rock formations, etc., to produce a 3D model. The lidar can aim its laser beam in a wide range: its head rotates horizontally, a mirror flips vertically. The laser beam is used to measure the distance to the first object on its path.]]
(''Light Detection and Ranging'') is an optical remote sensing technology that measures properties of scattered light to find range and/or other information of a distant target. The prevalent method to determine distance to an object or surface is to use Laser pulses. Like the similar Radar technology, which uses radio waves instead of light, the range to an object is determined by measuring the time delay between transmission of a pulse and detection of the reflected signal. LIDAR technology has application in Geography , Geology , Geomorphology , Seismology , Remote Sensing and Atmospheric Physics
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Cracknell
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Arthur P
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Hayes
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Ladson
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Introduction to Remote Sensing
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London
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Taylor and Francis
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2007
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1991
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2
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70765252
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