코딩하는 임초얀

In radiometry, radiance is the radiant flux emitted, reflected, transmitted or received by a given surface, per unit solid angle per unit projected area. Spectral radiance is the radiance of a surface per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength. These are directional quantities. 복사 측정술에서, 방사 휘도(輝度)는 주어진 표면에서 방출, 반사, 투과 ..