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.
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。
Yet, as far as we know, a fundamental derivation of this pivotal relation seems still missing in the literature.
但对于做物理学基础研究的我来说，这是一个十分具有挑战性的重要问题。
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