用红外相机评价黑体表面温度均匀性的实验研究

IF 3.7 3区工程技术 Q1 INSTRUMENTS & INSTRUMENTATION

Quantitative Infrared Thermography Journal Pub Date : 2021-01-25 DOI:10.1080/17686733.2021.1877918

S. Yoon, J.C. Park, Y. J. Cho

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引用次数: 15

摘要

黑体辐射是在给定温度和波长分布下发射到空间中的标准化电磁能。它被用作比较不同物体发出的辐射的参考模型。应通过定期检查和校准来保持黑体系统的这种参考性能。本研究利用红外摄像机对黑体表面的温度均匀性进行了评价。为此，我们将黑体系统测量分为“前”和“后”校准集，使用两台测量原理不同的红外相机，在不同波段对黑体表面进行了检测。为了评价红外探测器的表面温度均匀性，我们计算了红外探测器的信号传递函数、等效噪声温差和三维噪声，并对它们进行了对比分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An experimental study on the evaluation of temperature uniformity on the surface of a blackbody using infrared cameras

ABSTRACT Blackbody radiation is standardised electromagnetic energy emitted into space at a given temperature and wavelength distribution. It is used as a reference model to compare radiation emitted from various objects. This reference performance of blackbody systems should be maintained through periodic inspection and calibration. In this study, temperature uniformity on the surface of the blackbody was evaluated using infrared cameras. To this end, we divided the blackbody system measurements into ‘before’ and ‘after’ calibration sets and examined the blackbody surface in different bands, using two infrared cameras with different measurement principles. To evaluate surface temperature uniformity, we calculated the signal transfer function, equivalent noise temperature difference, and 3D noise of the infrared detector, and then comparatively analysed them.

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来源期刊

Quantitative Infrared Thermography Journal Physics and Astronomy-Instrumentation

CiteScore

6.80

自引率

12.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Quantitative InfraRed Thermography Journal (QIRT) provides a forum for industry and academia to discuss the latest developments of instrumentation, theoretical and experimental practices, data reduction, and image processing related to infrared thermography.