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在知道光源相对光谱能量分布的基础上，阐述了辐照度测量原理。
On the basis of knowing the relative energy distribution of spectrum of light source, the irradiance measuring principle is described.
本装置是一多功能光谱测试装置，适用于对红外探测器作宽范围光谱灵敏度的测量，以及红外光源光谱能量分布测量。
This apparatus is a multifunction spectrum testing set-up, which suits to measure for infrared detectors the wide range spectral sensitivity and also the distribution of spectral energy.
概述了研制微微秒变象管相机对超短激光脉冲的形状、持续时间、脉冲形状内的能量分布、光谱成份等的要求。
Requirements on the shape, duration, distribution in pulse shape and spectral compositions of ultrashort laser pulses in the development of picosecond image tube cameras are briefly described.
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