Three improved methods for measuring spectral emissivity based on the FTIR spectrometer
文献类型：SCI/SSCI论文
| 作者 | Tian J. |
| 发表日期 | 2013 |
| 关键词 | FTIR spectrometer spectral emissivity temperature and emissivity separation (TES) gray body assumption land-surface emissivity separation algorithm infrared data scanner data temperature retrieval formulation |
| 英文摘要 | To minimize the uncertainties related to the FTIR spectrometer, three improved methods were proposed to measure the spectral emissivity. For method 1 (M-1) and method 2 (M-2), an invented device was used to change the environment radiation which makes the ill conditioned equation solvable. Method 3 (M-3) is based on the gray body assumption, and an iterative procedure was applied to derive the temperature of samples, then the spectral emissivity can be retrieved based on this temperature and the FTIR measurements. In order to validate these methods, the emissivity derived from the measured temperature was used as a reference. The results indicate that for the samples with high emissivity, such as quartz plates and cardboard, three improved methods have comparable accuracy; while for the samples with low emissivity, such as rusty iron plate and aluminum plate, the M-3 is more reliable than the other two methods. M-1 and M-2 need to go through more procedures than M-3, and this may lead to some deviation from the reality. Overall, three improved methods greatly improved the spectral emissivity measurements with FTIR spectrometer. |
| 出处 | Journal of Infrared and Millimeter Waves |
| 卷 | 32 |
| 期 | 4 |
| 页 | 366-371 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1001-9014 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/30098]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Tian J.. Three improved methods for measuring spectral emissivity based on the FTIR spectrometer. 2013. |
入库方式： OAI收割
来源：地理科学与资源研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。