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以往的多数红外光学导引头都是将整个光学系统置于高速旋转的陀螺转子上,这样不可避免地使光学系统像质受到损害,并且使结构变得复杂。本文从反射棱镜共轭理论出发,给出了在会聚光路用单一棱镜实现二轴图像稳定和跟踪的原理,并介绍了基于此原理的导引头,小型电视导引头等整体稳定的光学系统,也可以作为一个系统应用于某些武器系统中。
Most of the previous IR optical seekers placed the entire optical system on a high-speed rotating gyroscopic rotor, which inevitably impaired the optical system’s image quality and made the structure complicated. In this paper, based on the reflection prism conjugation theory, the principle of two-axis image stabilization and tracking using a single prism in the converging beam path is given. The overall stability of the optical system such as the seeker and the small television seeker based on this principle is introduced. It can also be used as a system in some weapon systems.