lidar

lidar — 名詞

1. a system or sensor that sends out laser pulses and reads the reflected light to

1.名詞C1
釋義

光達

用雷射測距並描出環境

a system or sensor that sends out laser pulses and reads the reflected light to measure distance or build a detailed map of an area or object

例句

Engineers mounted a lidar sensor on the drone to map the damaged bridge.

工程師把光達感測器裝在無人機上，為受損的橋樑繪製地圖。

collocation: lidar sensor

Mizuki's car uses lidar to spot bikes and people at night.

Mizuki 的車用光達在夜裡辨識腳踏車和行人。

use lidar to + verb

常見搭配
  • lidar sensor
  • lidar data
  • lidar map
  • lidar system
  • airborne lidar
  • collect lidar data
  • scan with lidar
同義詞
  • laser scanner

    close in meaning for hardware, but often refers to the scanning unit rather than the whole sensing method

  • radar

    related detection technology, but it uses radio waves instead of laser light

  • sonar

    another related system that uses sound waves, mainly underwater

文法句型

lidar + noun (lidar data, lidar map, lidar sensor)

use lidar to + verb

collect lidar data

用法筆記

Often used for mapping land, roads, buildings, or obstacles. In self-driving cars and drones, lidar usually means the sensor itself; in surveying and research, it can also refer to the data or map produced from that sensing.

常見錯誤

The car's radar and lidar are the same thing.
The car's radar and lidar do different jobs.
Radar uses radio waves, while lidar uses laser light.
The drone took a lidar of the field.
The drone collected lidar data over the field.
Lidar is the sensing system or the data it produces, not a single picture.

常見搭配

名詞搭配

常用片語

  • lidar sensor
  • lidar data
  • lidar map
  • lidar system
  • airborne lidar
  • collect lidar data

介系詞搭配

  • with — scan with lidar, map with lidar
  • by — measure by lidar