Visibility observed at different altitudes is favorable to understand the causes of air pol-lution.We conducted 4-years ......

目前,国内外尚没有完全按照能见度定义研制的大气能见度自动观测仪出现。针对这一问题,基于人工观测能见度原理,有效利用CCD数字摄......

基于暗原色先验理论在图像的去雾方面有非常好的效果，提出了一种将暗原色先验理论用于大气能见度测量的方法，克服了气象能见度仪成本......

　　The rapid industrial development and urbanization has lead to increasing particulate matter (PM) pollution over the ......