New space-integrating acousto-optic correlator operating mode: linear filtering and forming of video signals

Yuri V. Egorov; Victor N. Ushakov

doi:10.1117/12.166046

21 January 1994 New space-integrating acousto-optic correlator operating mode: linear filtering and forming of video signals

Yuri V. Egorov, Victor N. Ushakov

Author Affiliations +

Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.166046
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation

Abstract

The video-frequency space-integrating acousto-optic correlator (SIAOC) extending the functional possibilities of the correlating type acousto-optic processors (AOP) is discussed. The architecture is realized on the basis of the acousto-optic matched filter with two- dimensional reference mask. It enables us to perform the filtering and forming of the arbitrary video-signals with the spectrum width limiting by the acousto-optic modulator (AOM) bandwidth only. Theoretical analysis of the novel scheme showed it to be equivalent to the video-frequency linear electric filter, its pulse response being fully determined by the reference mask structure. A procedure for the latter synthesis from given analog bipolar function is considered. The experimental results are presented.

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Yuri V. Egorov and Victor N. Ushakov "New space-integrating acousto-optic correlator operating mode: linear filtering and forming of video signals", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.166046

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