Acta Optica Sinica, Volume. 39, Issue 2, 0212008(2019)
Multispectral True Temperature Inversion Based on Multi-Objective Minimization Optimization Method
Figures & Tables(6)
Fig. 1. Variation of spectral emissivity with wavelength. (a) Model A; (b) model B; (c) model C; (d) model D; (e) model E
Table 1. Simulation data of measured target
View tableTable 1. Simulation data of measured target
No. Range of emissivity True temperature /K Brightness temperature (0.4 μm) /K Brightness temperature (0.5 μm) /K Brightness temperature (0.6 μm) /K A 0.45-0.95 1800.0 1785.5 1768.2 1747.5 2000.0 1982.1 1962.6 1935.4 B 0.50-0.90 1800.0 1739.7 1735.1 1733.5 2000.0 1925.8 1920.2 1918.3 C 0.70-0.90 1800.0 1786.5 1777.9 1763.7 2000.0 1983.4 1972.8 1955.2 D 0.65-0.85 1800.0 1768.4 1763.8 1760.2 2000.0 1961.1 1955.4 1953.1 E 0.65-0.75 1800.0 1765.9 1763.8 1762.0 2000.0 1958.0 1955.4 1953.1 No. Range of emissivity Brightness temperature (0.7 μm) /K Brightness temperature (0.8 μm) /K Brightness temperature (0.9 μm) /K Brightness temperature (1.0 μm) /K Brightness temperature (1.1 μm) /K A 0.45-0.95 1722.9 1698.4 1669.7 1648.6 1621.8 1908.2 1878.9 1840.4 1814.8 1782.4 B 0.50-0.90 1734.6 1738.0 1743.5 1751.1 1760.6 1919.5 1923.7 1930.5 1939.8 1951.5 C 0.70-0.90 1747.6 1738.0 1746.0 1751.1 1760.6 1935.5 1923.7 1933.6 1939.8 1951.5 D 0.65-0.85 1757.8 1756.3 1746.0 1734.7 1722.1 1952.8 1962.0 1933.6 1919.7 1900.5 E 0.65-0.75 1749.7 1738.0 1738.4 1734.7 1722.1 1938.1 1923.7 1924.2 1919.7 1904.3
Table 2. Result comparison of two iterative methods
View tableTable 2. Result comparison of two iterative methods
Model No. Range of emissivity True temperature / K Temperature by SMM method /K Accuracy in SMM method /% Time in SMM method /s Temperature by MMO method /K Accuracy in MMO method /% Time in MMO method / s Enhancement ratio of MMO method /% A 0.45-0.95 1800.0 1793.3 -0.37 85.3454 1800.0 0.00 1.7891 97.90 2000.0 1998.8 -0.06 80.6692 2000.0 0.00 1.9723 97.56 B 0.50-0.90 1800.0 1791.5 -0.31 75.8990 1785.9 -0.78 1.8732 97.53 2000.0 1988.7 -0.57 78.3541 1982.7 -0.87 1.8793 97.60 C 0.70-0.90 1800.0 1798.7 -0.07 70.6404 1799.8 -0.01 1.9004 97.31 2000.0 1996.2 -0.19 80.6306 2000.0 0.00 1.7861 97.78 D 0.65-0.85 1800.0 1802.2 0.12 71.0259 1806.7 0.37 1.8804 97.35 2000.0 2009.2 0.46 81.3068 2008.3 0.42 1.8761 97.69 E 0.65-0.75 1800.0 1802.3 0.12 73.9736 1804.1 0.23 1.6582 97.76 2000.0 2005.3 0.27 88.0254 2005.0 0.25 1.8432 97.91
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Fucai Zhang, Bojun Sun, Xiaogang Sun. Multispectral True Temperature Inversion Based on Multi-Objective Minimization Optimization Method[J]. Acta Optica Sinica, 2019, 39(2): 0212008
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: May. 7, 2018
Accepted: Oct. 9, 2018
Published Online: May. 10, 2019
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