其关键技术在于解决干涉图处理和波面复原的数据处理问题。
The key techniques are to process the interferogram and to reconstruct the wavefront.
在理想情况下，利用离散傅里叶变换及其性质，能精确恢复原始波面。
By using Fourier transformation, the original wave-front can be recovered with higher precision and in more details.
结果表明，该原理方法具有较高的处理精度，为波面相位复原奠定了基础。
The results indicate that the principle and method has high precision and establish the foundation to phase recovery.
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