also: ライダ
noun
lidar; LIDAR; laser imaging detection and ranging
Technical acronym for a remote sensing method that uses laser light. In Japanese, it is used as a noun in fields such as autonomous driving, surveying, and atmospheric research.
自動運転車にはＬＩＤＡＲが搭載されている。
Autonomous vehicles are equipped with LIDAR.
ライダーを使って地形を測量する。
Survey the terrain using lidar.
Radar uses radio waves, while LIDAR uses laser light.
Sonar uses sound waves, typically underwater, unlike LIDAR which uses light.
From English 'LIDAR', an acronym for 'Light Detection And Ranging' or 'Laser Imaging Detection and Ranging'.