【摘要】 光电粒子计数器是用于大气中直接测量气溶胶粒子的仪器。本文叙述了一种光电粒子计数器的结构和新的计数原理,该仪器利用PC微机,采用A/D数据采集技术和信号处理软件替代传统的电路功能,具有测量迅速直观、数据自动存储、可自动化测量和数据现场分析等优点。文中给出在西藏和合肥郊区用该仪器得到的一组测量结果。更多还原

【Abstract】 Optoelectric particle counter (OPC) is an instrument to measure directly aerosol in atmosphere. This article narrates the structure and principle of a new type of OPC. The instrument utilizes A/D data acquisition technology and signal processing software as a substitute for traditional circuit function under microcomputer’s control and has many advanced capabilities, such as measuring quickly and obviously, storing data automatically, suiting data analysis on the spot, etc. The article also gives a group of measured results in Tibet and Hefei suburb.更多还原