提出了一种基于内置集成电路总线技术的太阳光度计,系统采用硅光电二极管组成光电检测电路,可以有效地降低仪器的体积、功耗、价格,从而实现以很高的性价比设立大范围的观测网,同时光度计有很高的观测精度。介绍了系统的探测原理、电子学软硬件系统设计以及实验结果分析。实验结果表明太阳光度计运行可靠,可以满足气溶胶观测的要求。

A sun photometer based on inter-integrated circuit(I2C) bus is designed to measure the optical-thickness of the atmosphere. A Si-photodiodes based optoelectronic detection circuit is adopted. The volume, power consume, cost of the system are brought down, and meanwhile it can conduct large scale detection with high cost performance and high accuracy. The detection principle, the design of the electronic software and hardware of the system, and the analysis of experimental results are presented. Experiment shows that the sun photometer is reliable and accurate, and can meat the demand of detecting aerosol.