Radio interference impact on acousto-optic correlator performance

Alexander B. Sergienko; Victor N. Ushakov

doi:10.1117/12.243139

12 June 1996 Radio interference impact on acousto-optic correlator performance

Alexander B. Sergienko, Victor N. Ushakov

Proceedings Volume 2754, Advances in Optical Information Processing VII; (1996) https://doi.org/10.1117/12.243139
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

Time-integrating acousto-optic correlators (TIAOC) provide effective means for spread spectrum signal processing in various applications. Proposed by the authors two- dimensional quadrature radio-frequency TIAOC combines relative simplicity of quadrature channel implementation with extremely wide frequency band limited by the corresponding parameter of the Bragg cells used. When designing signal processors for communication or navigation systems, estimation of radio interference impact on system performance is essential. The paper is concerned with evaluation of dynamic range and sensitivity of the TIAOC mentioned with radio interference taken into account as well as external Gaussian noise. General results obtained are particularized for a simple case of harmonic interference. Such an interference is shown to have negligible effect on dynamic range and sensitivity of the device when interference power is less than that of Gaussian noise.

Citation Download Citation

Alexander B. Sergienko and Victor N. Ushakov "Radio interference impact on acousto-optic correlator performance", Proc. SPIE 2754, Advances in Optical Information Processing VII, (12 June 1996); https://doi.org/10.1117/12.243139

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