Laser & Optoelectronics Progress, Volume. 55, Issue 6, 061205(2018)
Three-Band Infrared Thermal Imaging Temperature Measurement Method for Sea Surface
Figures & Tables(11)
Fig. 2. Flow chart of sea surface measurement temperatures at different sea surface actual temperatures
Fig. 3. Flow chart of sea surface measurement temperatures in different observation directions
Fig. 4. Sea surface temperature deviations measured by the two methods with different sea surface actual temperatures when θ=0° to 50°
Fig. 5. Sea surface temperature deviations measured by the two methods with different sea surface actual temperatures when θ=60°
Fig. 6. Sea surface temperature deviation measured by the two methods with different sea surface actual temperatures when θ=80°
Fig. 7. Sea surface temperature deviations measured by the two methods with different zenith angles of observation direction. (a) Ts=290 K; (b) Ts=295 K
Table 1. Sea surface emissivity at different zenith angles of observation direction
View tableTable 1. Sea surface emissivity at different zenith angles of observation direction
θ /(°)ε θ /(°)ε 0 0.9800 50 0.9743 10 0.9800 60 0.9494 20 0.9800 70 0.8591 30 0.9800 80 0.6024 40 0.9793 90 0.0000
Table 2. Sea surface temperatures measured by the two methods when θ=0° to 50°K
View tableTable 2. Sea surface temperatures measured by the two methods when θ=0° to 50°K
T sConventional method Three-band method ±0.25 ±0.5 ±1.0 ±0.25 ±0.5 ±1.0 280 280.53 280.78 281.28 280.10 280.19 280.39 282 282.51 282.76 283.26 282.11 282.22 282.44 284 284.49 284.74 285.24 284.13 284.25 284.50 286 286.46 286.71 287.22 286.14 286.29 286.57 288 288.44 288.69 289.20 288.17 288.33 288.66 290 290.42 290.67 291.19 290.19 290.39 290.78 292 292.40 292.65 293.17 292.23 292.46 292.92 294 294.38 294.63 295.15 294.28 294.56 295.12 296 296.35 296.62 297.14 296.34 296.70 297.41 298 298.33 298.60 299.12 298.46 298.92 299.83 300 300.31 300.58 301.11 300.13 300.56 301.28
Table 3. Sea surface temperatures measured by the two methods when θ=60°K
View tableTable 3. Sea surface temperatures measured by the two methods when θ=60°K
T sConventional method Three-band method ±0.25 ±0.5 ±1.0 ±0.25 ±0.5 ±1.0 280 280.83 281.09 281.61 280.10 280.20 280.40 282 282.78 283.04 283.56 282.11 282.23 282.46 284 284.73 284.99 285.52 284.13 284.26 284.52 286 286.68 286.94 287.47 286.15 286.30 286.60 288 288.63 288.90 289.43 288.17 288.35 288.69 290 290.59 290.86 291.39 290.20 290.41 290.81 292 292.54 292.81 293.35 292.24 292.48 292.96 294 294.50 294.77 295.31 294.29 294.58 295.17 296 296.46 296.73 297.27 296.36 296.72 297.47 298 298.42 298.69 299.23 298.48 298.96 299.91 300 300.38 300.65 301.20 300.15 300.60 301.33
Table 4. Sea surface temperatures measured by the two methods when θ=80°K
View tableTable 4. Sea surface temperatures measured by the two methods when θ=80°K
T sConventional method Three-band method ±0.25 ±0.5 ±1.0 ±0.25 ±0.5 ±1.0 280 276.63 276.16 275.21 280.14 280.28 280.57 282 278.90 278.43 277.49 282.16 282.32 282.65 284 281.16 280.70 279.77 284.18 284.37 284.74 286 283.42 282.96 282.03 286.21 286.42 286.85 288 285.67 285.21 284.29 288.24 288.49 288.98 290 287.91 287.46 286.54 290.28 290.57 291.15 292 290.15 289.70 288.79 292.34 292.68 293.37 294 292.38 291.93 291.03 294.41 294.82 295.66 296 294.61 294.16 293.26 296.51 297.02 298.03 298 296.83 296.39 295.49 298.56 299.15 300.21 300 299.05 298.60 297.71 300.34 300.92 300.38
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Ping Wang, Li Yang, Wei Kou, Fangyuan Jin, Yongcheng Du. Three-Band Infrared Thermal Imaging Temperature Measurement Method for Sea Surface[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061205
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Dec. 1, 2017
Accepted: --
Published Online: Sep. 11, 2018
The Author Email: Wang Ping (wangpinghjgcdx@163.com)
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