Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.

与雷达和声纳技术相似，激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。

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Currently, the European Space Agency (Esa) has two lidar (light detection and ranging) missions of its own in preparation.

目前，欧洲空间局(ESA)自身有两个激光雷达(光探测和测距)任务正在准备中。

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Forest parameters, especially forest height, can be inverted from Light Detection And was processed task, Ranging (LiDAR) dataset, which should promote the applications of LiDAR in forestry.

通过激光雷达数据反演林木参数，特别是树高，将极大地推进激光雷达在林业上的应用。

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The approach du jour for most researchers is something known as Light Detection and Ranging ( LIDAR) -- a laser-based technology capable of creating precise maps over relatively large areas.

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