照度仪是用来测量光线强弱等级的专用设备。在某些特定的环境对光的照度是有严格要求的,如用人工对药品的检验就对光的照度有严格的要求。 照度仪的原理 用锗光电池作探头,由于光的强度不同光电池产生的电流就不同,再把这个电流进行直流放大,再经过数模转换电路把直流信号变成直截反应光照强弱的数字信号显示出来。
本文研究高速公路隧道照明测控技术,开发用于隧道照明检测的照度仪、亮度仪及隧道照明自动控制系统。
In this dissertation, we research on the controlling and measuring technology of highway tunnel lighting, illuminometer, luminometer and an auto-control system were developed.
此它利用激光辅助照明装置克服了传统的微光夜视仪在全黑天或光照度不足条件下无法工作等不足。
It overcomes shortages of the traditional LLL night vision which can't work in the completely dark environment or the condition that the light is not enough.
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