主要讨论了傅里叶变换红外光谱仪的相位偏移产生的原因，并且用严密的数学推导证明了相位偏移与复数光谱之间的关系。
The phase shift in complex spectrum of Fourier transform infrared (FTIR) spectrometer was discussed. A rigorous derivation showed the relation between the phase shift and complex spectrum.
同时还分析了傅里叶变换光谱仪辐射量偏移产生的原因，并提出了复数光谱的辐亮度定标方法，该方法能够对辐射量偏移进行校正。
The reason for the radiation offset in FTIR measurement was analysed. The present article presents a calibration method of FTIR complex spectrum, which can adjust the radiation offset.
应用推荐