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三波段海面红外热成像测温方法

Three-Band Infrared Thermal Imaging Temperature Measurement Method for Sea Surface

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摘要

介绍了常规测温方法和三波段海面红外热成像测温方法的原理, 采用这两种方法分别求解海面温度, 对比分析了在不同观测方向和红外热像仪精度下两种方法的精度。结果表明:三波段海面红外热成像测温方法能消除海面发射率误差对精度的影响。当红外热像仪精度为±0.25 K时, 测得海面温度的偏差基本小于0.5 K, 精度较高。提高红外热像仪精度可有效提高三波段海面红外热成像测温方法的精度。当观测方向天顶角为70°~85°时, 常规测温方法测得的海面温度偏差远高于三波段海面红外热成像测温方法, 此时必须采用三波段海面红外热成像测温方法。

Abstract

We introduce the principles of conventional temperature measurement method and three-band infrared thermal imaging temperature measurement method for sea surface, then solve sea surface temperature with these two methods, separately, and comparatively analyze the measuring accuracies of the two methods under different observation directions and infrared imager precisions. The results show that three-band infrared thermal imaging temperature measurement method for sea surface can eliminate the influence of the sea surface emissivity error on the temperature measurement accuracy. When the infrared imager precision is within ±0.25 K, the deviation of sea surface measured temperature is less than 0.5 K, basically, so its accuracy is relatively high. Improving the infrared imager precision can effectively improve the accuracy of three-band infrared thermal imaging temperature measurement method for sea surface. When the zenith angle of observation direction is in the range from 70° to 85°, the deviation of conventional temperature measurement method is much larger than that of three-band infrared thermal imaging temperature measurement method for sea surface, so we must use three-band infrared imaging temperature measurement method for sea surface in this case.

Newport宣传-MKS新实验室计划
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中图分类号:TK311

DOI:10.3788/lop55.061205

所属栏目:仪器,测量与计量

基金项目:国家自然科学基金(11504426)、水下测控技术重点实验室延伸性发展基金(YS0C261502)

收稿日期:2017-12-01

修改稿日期:2017-12-28

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作者单位    点击查看

王平:海军工程大学动力工程学院, 湖北 武汉 430033
杨立:海军工程大学动力工程学院, 湖北 武汉 430033
寇蔚:海军工程大学动力工程学院, 湖北 武汉 430033
金方圆:水下测控技术重点实验室, 辽宁 大连 116013
杜永成:海军工程大学动力工程学院, 湖北 武汉 430033

联系人作者:王平(wangpinghjgcdx@163.com)

备注:王平(1994-), 男, 硕士研究生, 主要从事传热传质热流体学及其应用方面的研究。E-mail: wangpinghjgcdx@163.com

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引用该论文

Wang Ping,Yang Li,Kou Wei,Jin Fangyuan,Du Yongcheng. Three-Band Infrared Thermal Imaging Temperature Measurement Method for Sea Surface[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061205

王平,杨立,寇蔚,金方圆,杜永成. 三波段海面红外热成像测温方法[J]. 激光与光电子学进展, 2018, 55(6): 061205

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