It can gives color difference of objects based on semispherical spectral reflectance in visible and near infrared wave bands measured by its internal spectrometer.
它利用其内置的光谱仪可测得可见-近红外波段反射物体的半球空间的反射比，继而可反演出物体的色度特性。
2
The experiment measured the fine spectrum structure of 2 doubling harmonic at near normal direction of target and reflection direction of laser wave, employing OMA optical multi-channel spectrometer.