Phenomenological analysis is made of analogue associative processors based on thin holograms with superimposed registration. Possibilities of realization of functions of associative memory, associative highlighting of common fragments of object scenes, novelty filter and static phase- conjugate mirror are investigated on the basis of utilization of informative properties of a quadratic off- axis hologram, a hologram of mutually conjugated waves and a system, composed of a linear off-axis hologram and a phase- conjugate mirror.
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