【摘要】 论述了发射率在航天、航空、国防及国民经济各领域中的重要作用和意义,综述了近年来材料发射率测量技术的研究发展现状。简单介绍了基于红外傅里叶分析光谱仪建立的光谱发射率测量系统,进而描述了发射率的应用情况。展望了发射率测量技术的目前存在的问题及发展趋势。更多还原

【Abstract】 Emissivity is an importantparameter in the fieldsof aerospace,aviation,national defense and national economy.The development in emissivity measurement during recent years has been reviewed.The apparatus for measuring spectral emissivity is constructed in author’s lab by using Fourier transform spectrometer.Moreover,some applications and development trent of emissivity measurement techniques are described.更多还原