实时全息干涉法可以观察记录整个测试过程中条纹图的动态变化，传统相位提取算法只适合于静态干涉条纹图相位的提取。
Dynamic fringe pattern can be observed throughout the testing by real-time holographic interferometry, while the traditional method is only suitable for static fringe pattern in phase extracting.
将条纹频率分析的相位展开方法应用于我们给出的干涉图模型，得到了很好的相位展开结果。
Phase unwrapping algorithm based on the fringe frequency analysis is applied to the interference pattern simulation model. We obtain the good result.
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