What is Radiometry ?Radiometry DefinitionRadiometry is defined as the technique of measuring electromagnetic radiation across all wavelengths, including ultraviolet, infrared, and visible light.Radiant EnergyRadiant Energy (Qe) is the energy carried by electromagnetic radiation, while Radiant Flux (ф) is the radiant energy transmitted per unit time.Microwave RadiometryMicrowave radiometry is a method to measure the thermally caused electromagnetic radiation from matter above zero Kelvin, using a