一款新型高精度全自动多波段太阳光度计

研制一种高精度全自动可实时测量、远程控制覆盖可见-近红外多波长太阳光度计PSR-2,可实现太阳直射辐照度、天空辐亮度(主平面、等天顶角)、气溶胶光学厚度、大气柱水汽含量和臭氧含量的实时测量和显示, 具有各通道独立同时测量、精确的温度控制、精确的太阳跟踪等检测功能。PSR-2在本单位自研PSR-1的基础上进行改进, 经受住长时间沙漠风沙和雨水侵蚀的测试, 具有能够长时间有效稳定观测、更加小型化、数据处理更便捷和更高的性价比等特点。在敦煌给仪器进行了Langley法标定和仪器温控性能测试, 结果显示PSR-2 Langley定标拟合直线相关性高于99%, 恒温仓温度稳定在在(25±0.3)℃, 与国外行业标准CE318的合肥、敦煌两地实际测量结果对比, PSR-2气溶胶光学厚度和大气柱水汽含量偏差分别在0.02和0.1以内, 并进行了误差分析。

Abstract

A high precision and full autocontrol real-time measurement and remote control covering visible near infrared multi-wavelength sun photometer PSR-2 was developed. It can realize real-time measurement and display of direct radiation irradiance of the sun, sky radiance (main plane, equal zenith angle), aerosol optical thickness, atmospheric column water vapor content and ozone content.And it has the functions of simultaneous detection, accurate temperature control, accurate sun tracking and other detection functions. PSR-2 was improved on the basis of PSR-1, which had been tested for long time desert wind sand and rainwater erosion. It is characterized by long time effective stable observation, more miniaturization, more convenient data processing ,and higher performance and price ratio. In addition,the Langley method calibration and temperature control performance test were carried out on the instrument in Dunhuang. Results show that the PSR-2 Langley calibration fitting linear correlation is higher than 99%,the constant temperature warehouse temperature is stabilized within (25±0.3)℃, the PSR-2 aerosol optical thickness and the large column water vapor content deviation are within 0.02 and 0.1, respectively,compared with the actual measurement results in Hefei and Dunhuang by the foreign industry standard of CE318. Finally the error analysis was carried on.

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黄冬, 李新, 张艳娜, 张权. 一款新型高精度全自动多波段太阳光度计[J]. 应用光学, 2019, 40(1): 105. HUANG Dong, LI Xin, ZHANG Yanna, ZHANG Quan. Novel high-precision full autocontrol multi-waveband sun photometer[J]. Journal of Applied Optics, 2019, 40(1): 105.

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