激光对推扫相机的干扰

针对激光对推扫相机干扰效应及其干扰机理等疑难问题,构建了一套推扫相机激光干扰实验系统.描述了实验系统组成、实验方法和步骤,开展了激光对推扫相机干扰实验,给出了实验结果.从线阵CCD探测器的结构和图像处理层面出发,对出现的干扰现象进行了机理分析,利用实验数据拟合出了相机入瞳激光功率与干扰面积的对应关系,分析了影响推扫相机输出图像上激光干扰面积的主要因素,并与激光对凝视相机的干扰进行了比对分析.该研究成果可应用于激光对推扫相机干扰效果评价和相机激光防护研究等方面.

Jamming of laser to push-broom camera

Push-broom camera has been widely applied to aviation and spaceflight remote sensing for the earth.Due to its big optical gain, it is prone to laser jamming. Jamming problem of laser to push-broom camera is noticed at all times. In allusion to jamming effects and mechanism difficulty problem of laser to push-broom camera, a jamming experiment system of laser to push-broom camera has been constructed. Laser jamming experiment to push-broom camera has been done, experiment result is presented. Laser jamming mechanism was analyzed on basis of the configuration of linear CCD detector and image processing principle. The relation of camera pupil entrance laser power and image jamming area was established using experiment data. Most factor of affecting camera image jamming area was analyzed. Jamming of laser to push-broom camera and gaze camera was compared. This result can be used for evaluating laser jamming effect to push-broom camera and researching camera laser protection method.