lidar

American  

[lahy-dahr] / ˈlaɪ dɑr /

Or LIDAR

noun

Electronics, Optics.

1. a device similar to radar in principle and operation but using infrared laser light instead of radio waves and capable of detecting particles, distant objects, and varying physical conditions in the atmosphere.

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lidar Scientific  

/ lī′där /

1. A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of pulsed laser light reflected from their surfaces. Lidar operates on the same principles as radar and sonar.

2. The equipment used in such detection.

3. See also Doppler effect radar sonar

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Etymology

Origin of lidar

1960–65; li(ght ¹ ) + (ra)dar

Example Sentences

Paired with Ouster’s lidar, which is essentially laser-based radar, the combination creates “a leading sensing and perception for Physical AI.”

From Barron's

The Waymo vehicle uses four sensor systems to gather data from the world around it: lidar, vision, radar and microphone.

From BBC

Most driving data is repetitious and useless, and exception data without lidar isn’t useful either.

From MarketWatch

Tesla’s technology relies on only eight cameras to see the world, eschewing the cost and computational load of lidar and other sensors.

From The Wall Street Journal

Chen reckons the move is an advantage as competition in lidar, or light detection and ranging, focuses increasingly on chip-level innovation.

From The Wall Street Journal