本文将相位分析技术中的傅立叶变换法(FTM)引入二次曝光全息干涉计量中，提出了二次曝光数字全息干涉术。
In this paper, we apply the Fourier transform method (FTM) of the phase analysis method to double-exposure holographic interferometry and propose double-exposure digital holographic interferometry.
用快速傅立叶变换相位探测技术(FFT)分析自混合干涉信号。
FFT phase detection technique was applied to analyze SMI signal.
介绍了直接数字频率合成技术以及分析其杂散误差，对相位截断误差和幅度量化误差进行了傅立叶级数分析研究。
The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of Fourier series.
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