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二值化联合变换相关器，通过对联合变换的功率谱进行二值化操作，可以提高联合变换相关器的图像识别能力。本文正是基于此观点，首次提出利用液晶光阀本身的饱和区实现反转二值化联合变换功率谱。实验表明，利用液晶光阀的反转二值化调制，相关性能得到很大提高。计算机模拟的结果与实验相符。系统简单，全光学，无需加入电子阈值系统调制联合变换功率谱。
Binarization combined transform correlator, by binarizing the power spectrum of the joint transform, can improve the image recognition ability of the joint transform correlator. Based on this view, this paper proposes for the first time the inversion of the binarized combined transform power spectrum using the saturation region of the liquid crystal light valve itself. Experiments show that the use of liquid crystal light valve reverse binary modulation, the correlation performance has been greatly improved. The result of computer simulation is consistent with the experiment. System is simple, all-optical, without adding the electronic threshold system modulation combined transform power spectrum.