Some theories related to particle scatterance and the structure as well as the fundamental principle of the facilities for testing laser signal from multiple angles have been introduced.

介绍了粒子散射相关理论以及激光粒子角度检测装置的成与基本原理,并述了对烟与干扰气溶胶粒子的角度散射特征进行采集、处理和分析的过程。