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.
通过分析指出，叶片式可变凸轮轴相位机构是目前可行性较强的技术途径。
It is pointed out through analysis that the blade type variable camshaft phase mechanism is a more feasible technology approach at present.
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.
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