Acta Optica Sinica, Volume. 43, Issue 24, 2412003(2023)
High-Precision Measurement of Sea Surface Skin Temperature with Infrared Thermal Imager and Circulating Water-Film Device
Fig. 1. Geometry and radiation parameters of sea surface skin temperature measurement
Fig. 2. Schematic diagram of the hardware system composition of sea surface skin temperature correction scheme
Fig. 3. Section structure of circulating water film device
Fig. 4. Physical drawing of circulating water film device
Fig. 5. Calibration results of infrared imager
Fig. 6. Background radiation simulation panel's temperature and correction result for water film measurements. (a) Real temperature of background radiation simulation panel and water film; (b) correction result
Fig. 7. Inversed temperature of background radiation simulation panel. (a) Inversed temperature and the true temperature of background radiation simulation panel; (b) temperature difference between them
Fig. 8. Scene diagram of the outdoor experiment for water surface temperature correction of seawater simulator
Fig. 9. Measurement results of water surface and sky. (a) Measured value and the true value of circulating water film and seawater simulator; (b) temperature error of circulating water film and seawater simulator; (c) inversed sky brightness and the sky brightness measured by KT19; (d) sky brightness temperature difference between them
Fig. 10. Correction result for water surface temperature measurements and error of the three schemes. (a) True value of water surface temperature, the measured value corrected using the three schemes, and the uncorrected measured value; (b) original temperature error of water surface and error corrected by the three methods
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Kailin Zhang, Junrou Liu, Minglun Yang, Liqin Qu, Chuanyun Ren. High-Precision Measurement of Sea Surface Skin Temperature with Infrared Thermal Imager and Circulating Water-Film Device[J]. Acta Optica Sinica, 2023, 43(24): 2412003
Category: Instrumentation, Measurement and Metrology
Received: Mar. 17, 2023
Accepted: May. 26, 2023
Published Online: Dec. 8, 2023
The Author Email: Zhang Kailin (zhangkl@ouc.edu.cn)