讨论了大范围远距离目标探测的难点, 设计了基于旋转扫描的双视场大口径镜头, 增大系统探测范围。设计中采用分组设计方法, 将前组系统口径进行压缩, 利用振镜摆动来补偿旋转过程中的像移现象, 使生成的图像能够稳定, 提高了探测精度。经过仿真模拟得到较为理想的系统传递函数和弥散斑, 使大口径系统利用旋转扫描的方式可以实现大范围探测。设计提供了一种新的方式及思路, 用以改善凝视系统探测距离或探测范围的不足等问题。

The difficulties of large-range long-distance detection are discussed. A dual field of view large aperture lens based on rotary scanning is designed to increase the detection range and distance of the system. The grouping design is used, the aperture of the front group system is compressed, and the galvanometer swing is used to compensate the image shift phenomenon during the rotation. So that the generated images can be stabilized and the detection accuracy is improved. The ideal system transfer function and dispersed spot are obtained through simulation, and large-range detection can be realized using rotary scanning of the large aperture system. This design provides a new way and idea to improve the insufficient of the detection distance or the range of the staring system.