Vehicle twin-photoelectrical pointing system mainly consists of reflex light-tubes, a autocollimation theodolite and modulators.

摘要车载双联光电瞄准系统主要光管、自准直经纬仪和相应的制器组成。

Based on Gauss optics,the theory of afocal zoom expander is analyzed,a afocal zoom expander is designed and successfully applied.

基于高斯光学理论,无焦连续变倍准直扩束系统的原理,实现无焦连续变倍准直扩束系统的设计,并得到验证.