Irradiance of the area per unit frequency or wavelength. The phrases spectral flux density or maybe more confusingly "spectral depth" can also be utilised. Non-SI units of spectral irradiance contain Jansky = ten W⋅m⋅Hz and photo voltaic flux device (1SFU = ten W⋅m⋅Hz). word #beta Beta /beta #preferredDictionaries ^chosen https://alicet752pyg0.blogsidea.com/profile