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对光学相干成像系统中孔径函数对像面光场分布的调制特性进行了理论分析，并对用孔径滤波器实现光学小波变换进行了讨论。提出无编码光栅θ调制技术和全息扇出光栅制作的新方法，并给出了实验结果。
The optical modulation characteristics of the aperture function in the optical coherence imaging system are analyzed theoretically, and the optical wavelet transform with the aperture filter is discussed. Proposed a new method of non-coding grating θ modulation and holographic fan-out grating, and the experimental results are given.