一、光谱辐射度计量简介物体发出辐射主要有两种形式:一种是热辐射;另一种是光辐射。任何物体都会发射热辐射。温度低的物体,发出看不见的红外辐射,随着温度的升高,物体发出的辐射在短波方向加强,逐渐呈现暗红、偏黄和白色。光辐射是依靠非热激发方式来维持辐射的,如电致发光、光致发光和化学发光等。光谱辐射度学是有关光辐射 First, the spectral radiance measurement Brief introduction The object emits radiation in two main forms: one is thermal radiation; the other is light radiation. Any object emits thermal radiation. Low temperature objects emit invisible infrared radiation, as the temperature rises, the radiation emitted by the object in the shortwave direction to strengthen, gradually showing dark red, yellow and white. Light radiation relies on non-thermal excitation to maintain radiation, such as electroluminescence, photoluminescence and chemiluminescence. Spectral radiometry is about optical radiation