Gij and Oij would be the obtain coefficient and bias coefficient obtained after two-place correction respectively, and the expressions of bias coefficient Gij and gain coefficient Oij are demonstrated in Equation (five). That IR light is then detected to develop the FT-IR spectrum, which is sort of a “chemical fingerprint” https://irimaging96303.worldblogged.com/33576149/how-thermal-imaging-can-save-you-time-stress-and-money