Light detection and ranging | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-05

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Lidar


00:01:26 1 History and etymology
00:04:54 2 General description
00:07:08 3 Design
00:08:57 4 Components
00:09:12 4.1 Laser
00:11:27 4.1.1 Flash lidar
00:13:51 4.1.2 Phased arrays
00:15:33 4.1.3 Microelectromechanical machines
00:16:47 4.2 Scanner and optics
00:17:28 4.3 Photodetector and receiver electronics
00:18:00 4.4 Position and navigation systems
00:18:35 4.5 Sensor
00:22:38 5 Types
00:22:47 5.1 Based on orientation
00:23:14 5.2 Based on platform
00:23:49 5.2.1 Airborne
00:27:07 5.2.1.1 Airborne lidar bathymetry
00:29:10 5.2.2 Terrestrial
00:32:01 6 Applications
00:32:24 6.1 Agriculture
00:34:29 6.1.1 Plant species classification
00:35:37 6.2 Archaeology
00:39:10 6.3 Autonomous vehicles
00:40:42 6.3.1 Object detection for transportation systems
00:42:58 6.3.1.1 GRID based processing using 3-D lidar and fusion with radar measurement
00:47:48 6.3.1.2 Fusion of 3-D lidar and color camera for multiple object detection and tracking
00:53:02 6.3.1.3 Obstacle detection and road environment recognition using lidar
00:56:31 6.4 Biology and conservation
00:57:54 6.5 Geology and soil science
01:00:45 6.6 Atmosphere
01:04:33 6.6.1 Scheimpflug principle
01:06:00 6.7 Law enforcement
01:06:44 6.8 Military
01:10:08 6.9 Mining
01:10:46 6.10 Physics and astronomy
01:12:23 6.11 Rock mechanics
01:14:22 6.12 Robotics
01:15:15 6.13 Spaceflight
01:16:47 6.14 Surveying
01:18:40 6.15 Transport
01:20:05 6.16 Wind farm optimization
01:21:25 6.17 Solar photovoltaic deployment optimization
01:22:12 6.18 Video games
01:22:55 6.19 Other uses
01:23:27 7 Alternative technologies



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SUMMARY
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Lidar (, called LIDAR, LiDAR, and LADAR) is a surveying method that measures distance to a target by illuminating the target with pulsed laser light and measuring the reflected pulses with a sensor. Differences in laser return times and wavelengths can then be used to make digital 3-D representations of the target. The name lidar, now used as an acronym of light detection and ranging (sometimes light imaging, detection, and ranging), was originally a portmanteau of light and radar. Lidar sometimes is called 3D laser scanning, a special combination of a 3D scanning and laser scanning. It has terrestrial, airborne, and mobile applications.
Lidar is commonly used to make high-resolution maps, with applications in geodesy, geomatics, archaeology, geography, geology, geomorphology, seismology, forestry, atmospheric physics, laser guidance, airborne laser swath mapping (ALSM), and laser altimetry. The technology is also used in control and navigation for some autonomous cars.