袁长迎,张修路,罗雰,竹文坤

• 1:西南科技大学国防科技学院

摘要(Abstract)：

在表征逆反射材料的反光能力时,经常出现逆反射效率、逆反射系数两种表述方式混用的情况,给理解和认识带来一定困扰。本文从它们的基本定义出发,通过逻辑分析揭示它们之间的区别和联系。结果表明,逆反射效率是逆反射系数对不同观测方向立体角的积分,逆反射效率对应着反射光锥内逆反射系数的平均值。由逆反射效率的最大值求出逆反射系数的理论上限:对于玻璃微珠型逆反射材料而言,该值为280(cd/lx·m~2),而立方角锥型逆反射材料则为936(cd/lx·m~2)。上述结果对于逆反射材料开发中的过程控制和工艺水平评价有一定参考价值。

关键词(KeyWords)： 逆反射效率;逆反射系数;玻璃微珠;立方角锥

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41574076);; 西南科技大学龙山人才计划项目(17LZXJ08、18LZXJ10)

作者(Author): 袁长迎,张修路,罗雰,竹文坤

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