PSIM偏振光谱仪测量数据处理算法与实现  

Measurement Data Processing Algorithm and Realization of Spectropolarimeter Based on PSIM

作　　者：胡劲松 宋志平[1] HU Jing-song;SONG Zhi-ping(School of Physics and Materials Science,Anhui University,Hefei 230601,China)

机构地区：[1]安徽大学物理与材料科学学院,安徽合肥230601

出　　处：《软件导刊》2019年第1期69-72,共4页Software Guide

基　　金：国家自然科学基金委员会-中国科学院天文联合基金项目(U1531113)

摘　　要：偏振光谱强度调制(PSIM)是一种获取偏振光谱信息的新技术,测量数据处理是PSIM偏振光谱仪的关键模块之一。利用IDL程序设计语言,完成PSIM偏振光谱仪测量数据处理算法的集成设计。从PSIM技术原理出发,进行PSIM偏振光谱仪测量数据处理算法的数学推导,确立PSIM偏振光谱仪数据处理算法流程,编程实现了从光谱仪测量数据文件读入到待测光Stokes矢量元素谱及偏振度谱输出的完整过程,完成了PSIM偏振光谱仪数据处理算法的可视化设计,使其具有良好的用户界面。典型待测光源测量实验数据处理结果与理论分析结果的一致性证明了算法可行性和软件设计的正确性。同时,程序功能的可视化设计也使PSIM偏振光谱仪测量数据处理效率明显提升。Polarization spectral intensity modulation(PSIM)is a new technology for obtaining polarization spectral information and its measurement data processing is one of the key modules of spectropolarimeter.The measurement data processing algorithm’s integrated design of spectropolarimeter based on polarization spectral intensity modulation(PSIM)technology has been completed by using an Interactive Data Language.Based on PSIM technology principle,the detail mathematical deduction for the spectropolarimeter measurement data processing algorithm was presented,the data processing algorithm process of the spectropolarimeter was established,and the whole procedure of reading data from the spectropolarimeter,data processing and outputting the results was realized by writing a software.The consistency between the experimental data processing results of the typical photometric sources and the theoretical analysis results show that the paper work is successful.Firstly,the visual design of the data processing algorithm of the spectropolarimeter is realized and it has a good user interface.Secondly,the correctness of the software design is verified by the coincidence between the results of the experimental data with the theoretical analysis results.Finally,the processing efficiency of the measurement data of the spectropolarimeter is improved significantly for the visual function designation.

关 键 词：偏振光谱仪 数据处理 IDL编程语言 软件设计 

分 类 号：TP312[自动化与计算机技术—计算机软件与理论]