人造雾的红外遮蔽性能试验研究

STUDY ON PROPERTY OF INFRARED OBSCUR OF ARTIFICIAL FOG

针对当前红外无源干扰烟幕在宽广地域伪装方面存在的技术难题,提出造雾剂造雾是实施大面积无源干扰的较佳方式.讨论了造雾剂造雾的原理,研究了在不同温度和相对湿度条件下不同造雾剂成雾的微物理特征和红外遮蔽效果.结果表明,当相对湿度较大、温度较低时成雾的含水量大,对可见光和红外的遮蔽效果较好.当可见光能见度<1m时,对25m处的人员靶标有较好的红外遮蔽效果,热像图上40m的人员靶标不能识别.

According to the difficult problems of the smoking screen for camouflage in large area, a new passive jamming method, which can make fog through compound of producing fog, has been put forward. The micro principle of artifical fog was discussed. The micro physical characteristic and photoelectric jamming of fog, which is in different temperature and relative humidity, were investigated. The results show that the fog with high water content has good photoelectric property for obscuring at low temperature and high relative humidity. When the visibility of fog is below 1 m, the fog has good obscure effect for the target in 25m,and the target in 40m can＇t be distinguished from the surroundings on the infrared image.