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Short title: DOT HS 809 239; Image title: LIDAR Specifications 06-07-2003; Author: A. George Lieberman, NIST: File change date and time: 10:49, 1 April 2016
Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.
Atmospheric lidar is a class of instruments that uses laser light to study atmospheric properties from the ground up to the top of the atmosphere. Such instruments have been used to study, among other, atmospheric gases, aerosols, clouds, and temperature.
Lidar has a wide range of applications; one use is in traffic enforcement and in particular speed limit enforcement, has been gradually replacing radar since 2000. [1] Current devices are designed to automate the entire process of speed detection, vehicle identification, driver identification and evidentiary documentation.
The time of the trip, combined with information regarding the angle of the sensor and the altitude, allows Buckeye to generate a 3D coordinate at the target. The combined efforts of both sensor systems transforms the collected images into a compressed, georeferenced, and colored mosaic, which can then be used to create a 3D map of the area.
Luminar Technologies, a maker of lidar sensors for self-driving cars, said on Tuesday that Tesla was the largest customer for its sensors in the first quarter, accounting for more than 10% of its ...
Hesai Technology (Hesai; Chinese: 禾赛科技; pinyin: Hésài Kējì) is a publicly listed Chinese technology company that engages in the development and sales of lidar products such as sensors. Its products are used mainly in the ADAS, vehicular automation, robotics and industrial sectors.
LIDAR devices require an optical-band sensor, although many modern detectors include LIDAR sensors. Most of today's radar detectors detect signals across a variety of wavelength bands: usually X , K , and K a .