推扫相机激光干扰等效缩比模型研究及实验验证  

Study and experiment validation of laser jamming equivalent scaling model of push-broom camera

作　　者：康文运[1] 宋小全[1] 张颖新[1] 韦震[1] 

机构地区：[1]北京跟踪与通信技术研究所,北京100094

出　　处：《红外与激光工程》2015年第9期2649-2654,共6页Infrared and Laser Engineering

基　　金：国家863计划(2010A8020504)

摘　　要：随着激光技术的快速发展,推扫相机的激光干扰问题倍受关注。推扫相机一般有较高的角分辨率,口径大焦距长造价高,若按照对等要求进行干扰实验研究,其技术难度大实验费用高。针对激光对推扫相机干扰效果评价的难题,从推扫相机成像原理和激光对推扫相机干扰机理入手,提出了一个推扫相机激光干扰等效缩比模型,并通过实验对该模型进行了验证。实验表明:在推扫相机F数不变的前提下,保持相同的入瞳激光功率和积分时间,激光对缩比相机与原相机具有相同的干扰效应,即在两相机像面上的激光干扰面积基本相同。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。Along with the speediness development of laser technology, jamming problem of laser to push- broom camera is widely noticed at all times. Push-broom camera has commonly high angular resolution, big optical caliber and long focus, and its price is costly. If research on the laser jamming experiment for push-broom camera is carded through by equity request, the technology difficulty will be very big, and the experiment fare will be high too. In allusion to jamming effects evaluation difficulty problem of laser to push-broom camera, a laser jamming equivalent scaling model of push-broom camera was put forward on basis of jamming mechanism and camera imaging principle, the model was validated by experiment. The experiment shows if F number, pupil laser power and CCD integral time of push-broom cameras are same, jamming effects of laser to original camera and scaling camera are basic same, namely laser jamming area on the two cameras＇s imaging is basic same. This result can be used for evaluating laser jamming effects to Push-broom camera and researching camera laser protection method.

关 键 词：激光干扰 推扫相机 等效缩比模型 TDI-CCD探测器 

分 类 号：TN249[电子电信—物理电子学]