direct stroke lighting直击雷
semi-direct lighting半直接照明
semi direct lighting半直接照明
direct lighting stroke直接雷击
direct lighting luminaire直接型灯具
simi-direct lighting luminaire半直接型灯具
lighting system direct直接照明
Lighting System direct current converter照明系统直流变流机
A hybrid lighting technique composed of direct lighting and darkfield lighting is proposed after summarizing common lighting techniques and fully analyzing the characters of dies in the wafer. With the hybrid lighting technique, the vision system can acquire die images with high quality.
总结了常用的照明技术,在分析了芯片的光学性能的基础上,提出了采用直接照明加暗场照明的光源设计方案,得到了较高质量的芯片图像。
参考来源 - RFID标签封装设备中机器视觉系统设计与实现N（名词） a lighting system in which a large proportion (at least 90 per cent) of the light is directed downwards 直照光 [electrical engineering]