[5] Dewitt D P, Inferring temperature from optical radiation measurement [J]. Opt. Eng., 1986, 25(4): 596-601.
[7] Tamura Y, Tatsuwaki M, Sugimura T, et al. "Temperature measurement of steel in the furnace", In: "Temperature, Its Measurement and Control in Science and Industry" [C]. New York: American Institute of Physics, 1982, 5: 505-512.