Skip to main

ASFA

Search from vocabulary

内容语言

Concept information

objects > equipment > measuring instruments > altimeters > laser altimeters

优选词，正式主题词

创建的: 2019-09-04T12:02:37

laser altimeters  

定义

  • Information A laser altimeter emits laser pulses, which are reflected from the ground surface; part of the reflected radiation returns and is detected by the instrument; then, the distance from the ground surface can be calculated considering the speed of light.

    创建的: 8/31/20

     (en)

上位概念

相关概念

其它语言

URI

http://aims.fao.org/aos/agrovoc/c_2017ebe9

下载此概念

RDF/XML TURTLE JSON-LD 创建的 2019/9/4, 最后修改 2025/1/29