| 光谱学与光谱分析 |
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| Research on the Anti-Random Error Abilities of the Two Non-Source Temperature Calibration Methods of Multi-Spectral Pyrometer |
| SUN Kun1, 2, SUN Xiao-gang3, YU Xiao-yang1 |
1. The Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentations of Heilongjiang Province, Harbin University of Science and Technology, Harbin 150080, China
2. Key Laboratory of Engineering Dielectric and Its Application, Ministry of Education, Harbin University of Science and Technology，Harbin 150080, China
3. Instrument Science and Technology, Harbin Institute of Technology，Harbin 150001, China |
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Abstract In the present paper, the abilities of resistance to random error of the two non-source temperature calibration methods put forward previously were researched by adding random error of different sizes to blackbody radiant flux to simulate different precisions of the multi-spectral high temperature measurement system. Experimental results show that the non-source calibration method based on cure similarity principle (NCCSP) has strong anti-random error ability and it is suitable for large random error system. When the random error is very small, its precision is lower than the non-source calibration method based on the MSP transfer function (NCCTF), but when the random error increases to a certain range, the NCCSP accuracy is much higher than the latter. The NCCTF in a certain random error range has a high calibration accuracy of the extrapolation, but its resistance to random error is weak and can be applied to the measurement system of small random error.
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Received: 2013-02-06
Accepted: 2013-04-04
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Corresponding Authors:
SUN Kun
E-mail: sunkun1982@126.com
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