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研究了用计算全息制作二进制振幅调制纯位相空间滤波器的方法,以及它与其它几种滤波器性能的比较。实验结果表明,计算全息制的振幅调制纯位相空间滤波器在相关峰的锐度、Horner效率和抗噪能力上俱佳。
The method of making binary-amplitude-modulated pure-phase spatial filter by using computed hologram is studied and compared with several other filters. Experimental results show that the amplitude-modulated phase-only SPF filter based on hologram is superior in sharpness, Horner efficiency and noise immunity.