The principle and structure of cyclic radial shearing interferometer are briefly discussed and the process of spatial phase modulation,Fourier transform method and wavefront reconstruction are analyzed.

• 本文简要介绍了径向剪切干涉仪的原理和结构,分析了基于此系统的空间位相调制、傅立叶变换频谱分析、波面重建技术,提出了一种高精度的可行的波面迭代方法。