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提出一种用特征物功率谱取阈值的新型二元联合变换相关器。与传统的联合变换相关器相比较 ,它有高光能效率、高鉴别率和输入空间宽带的优点 ;与现行的二元联合变换相关器相比较 ,它有鉴别率高和不需靶物功率谱测量的特点 ,因而是一种简便和高性能的相关器
A new type of binary joint transform correlator is proposed which takes the threshold value of the power spectrum of the feature. Compared with the traditional joint transform correlator, it has the advantages of high optical energy efficiency, high discrimination rate and wideband input space. Compared with the current binary joint transform correlator, it has the advantages of high discrimination rate and no target power spectrum Therefore, it is a simple and high-performance correlator