1.前言一般为了确定分光辐射,要用已定标的标准辐射源或分光灵敏度已知的接收器。已定标好的分光辐射亮度的钨带灯和定标为分光辐射照度的标准溴钨灯作为进行分光辐射测定时的标准辐射源。下面将介绍分光辐射照度二次标准的应用,特别将叙述用线光谱标定辐射照度。钨带灯在紫外区的辐射通量小,所以在紫外辐 1. Introduction Generally, in order to determine the spectral radiation, use a calibrated standard radiation source or a receiver of known spectral sensitivity. Tungsten phosphors with calibrated spectroradiometric brightness and standard bromine tungsten lamps calibrated to spectroradiometric irradiance are used as standard radiation sources for spectrometric radiometry. The application of the secondary standard for the spectral irradiance will be described below. In particular, the spectral irradiance will be calibrated with the line spectrum. Tungsten band radiation in the UV flux is small, so in the UV radiation