Abstract
The total power radiometer has simple structure and high theoretical sensitivity. But its actual sensitivity can not be so high as the application demands because of the effect of the gain fluctuation and other factors. This paper provides a 8mm total power radiometer system with periodic calibration which can be used on the ground and the aeroplane, it decreases the effect of the gain fluctuations effectively and increases the radiometer sensitivity. Experiments has also been made to analyse the effect of the calibration parameters upon the radiometer sensitivity. The results is given in the paper. Besides, the paper gives the way to do absolute calibration.
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Wei, G., Zuyin, Z. & Yin, L. 8MM total power radiometer with periodic calibration. Int J Infrared Milli Waves 15, 1407–1412 (1994). https://doi.org/10.1007/BF02096067
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DOI: https://doi.org/10.1007/BF02096067