基于四象限光电池的激光准直仪  

DEVELOPMENT OF LASER COLLIMATOR BASED ON FOUR-ELEMENT PHOTOELECTRIC CELL

作　　者：曹学东[1] 范天泉[1] 魏全忠[1] 

机构地区：[1]中国科学院光电技术研究所,成都市双流610209

出　　处：《测绘信息与工程》2002年第4期10-11,共2页Journal of Geomatics

摘　　要：介绍了一种用激光光线作为基准 ,用四象限光电池作为探测器的激光准直仪 ,该仪器结构简单、稳定性好且成本低廉 ,其分辨力为 0 .0 1m m,作用距离可达 4 0 m。This paper introduces a laser collimator whose benchmark is beam of laser and whose detector is four element photoelectric cell. The instrument has simple constitution, good stablility and low cost. Its resolving power is 0.01 millimeter and its effective working distance is 40 meters.

关 键 词：四象限光电池 激光准直仪 四象限探测器 数字滤波 结构设计 测量精度 

分 类 号：P225.2[天文地球—大地测量学与测量工程]