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| Spectral Responsivity Calibration of Infrared Radiometer Based on Piecewise Linear Calibration Method |
| HE Ying-feng,DENG Le-wu,WU Jie,WEI Ping,WANG Rui |
| Chengdu Aircraft Industrial (Group) Co. Ltd., Chengdu 610000, China |
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Abstract The responsibility characteristics of the SR 5000N measurement system is calibrated based on blackbody radiation source which meets the national high temperature standard. A calculation model of the spectral responsivity calibration is established and the calibration is carried out by using the SR 5000N measurement system at 373~773K. The experiment results show that the measured infrared spectra in the wavelength range of 8 ~14μm at 373~773K have a low relative average deviation,which is less than 1%, compared with the calculation.
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Received: 30 January 2019
Published: 08 June 2020
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2020, Vol. 41 
