Acta Optica Sinica, Volume. 39, Issue 10, 1028003(2019)
Infrared Characteristics of Dunhuang Site Based on Multichannel Temperature and Emissivity Separation Algorithm
Figures & Tables(7)
Fig. 2. Field measurement system. (a) CE312; (b) 102F; (c) infrared standard board; (d) digimite
Fig. 3. Emissivity spectra of Dunhuang site. (a) Results of multiple measurements; (b) measured average value
Fig. 4. Comparison of two algorithms for separating temperature of Dunhuang site. (a) ISSTES; (b) multi-channel TES algorithm
Fig. 5. Hyper-spectral surface emissivity inversed by ground multi-channel emissivity
Table 1. Separation results of multi-channel TES algorithm
View tableTable 1. Separation results of multi-channel TES algorithm
Wavelength range /μm Emissivity Temperature /K 8-14 0.9164077 337.7566 11.5-12.5 0.9594690 337.8633 10.3-11.3 0.9309260 337.8271 8.2-9.2 0.8358200 337.5280
Table 2. Comparison of two algorithms for separating emissivity of Dunhuang site
View tableTable 2. Comparison of two algorithms for separating emissivity of Dunhuang site
Wavelength range /μm Emissivity Multi-channel algorithm ISSTES Deviation 8-14 0.9164077 0.915370 0.001038 11.5-12.5 0.9594690 0.956247 0.003222 10.3-11.3 0.9309260 0.933837 -0.002910 8.2-9.2 0.8358200 0.846773 -0.010950
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Yunxiang Zhang, Xin Li, Wei Wei, Wenchao Zhai, Yanna Zhang, Xiaobing Zheng. Infrared Characteristics of Dunhuang Site Based on Multichannel Temperature and Emissivity Separation Algorithm[J]. Acta Optica Sinica, 2019, 39(10): 1028003
Paper Information
Category: Remote Sensing and Sensors
Received: Apr. 16, 2019
Accepted: Jun. 24, 2019
Published Online: Oct. 9, 2019
The Author Email: Li Xin (xli@aiofm.ac.cn)
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