本文提出在弹道测试中摄影经纬仪的一种布局方式——光轴垂直法及其计算公式。
This article gives a new layout of two phototheodolite s in the ballistic measurement in which their light axes are perpendicular to each other and the calculating formulas are deduced.
无人侦察机对目标的跟踪是通过调整陀螺稳定平台的高低角和方位角，从而使摄影设备的光轴对准目标来实现的。
In target tracking system for UAV, by regulating the gyro-stabilized platforms azimuth Angle and pitching Angle, the line-of-sight of pick-up equipment is stabilized and focused on the target.
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