Wideband UHF acousto-optic processor

Alexander B. Sergienko; Andrey N. Rogov; Victor N. Ushakov

doi:10.1117/12.257227

5 November 1996 Wideband UHF acousto-optic processor

Alexander B. Sergienko, Andrey N. Rogov, Victor N. Ushakov

Proceedings Volume 2845, Radar Processing, Technology, and Applications; (1996) https://doi.org/10.1117/12.257227
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

This paper summarizes our studies of a time-integrating acousto-optic processor that offers a compact solution to detecting and analyzing wideband spread-spectrum signals for variety of radar, navigation or communication applications. The heart of the processor is a 2D quadrature radio- frequency time-integrating acousto-optic correlator complemented by a subsequent digital processor. Quadrature envelope processing allows the number of delay channels to be significantly reduced. The correlator can have a processing bandwidth up to 500 MHz, and the digital processor is used to perform nonlinear detection and get spectrum information. We discuss the general structure of the processor, possible operating modes and corresponding post-detector processing algorithms. Theoretical points include sensitivity, dynamic range and frequency resolution. Preliminary experimental results obtained in the UHF range are also presented.

Citation Download Citation

Alexander B. Sergienko, Andrey N. Rogov, and Victor N. Ushakov "Wideband UHF acousto-optic processor", Proc. SPIE 2845, Radar Processing, Technology, and Applications, (5 November 1996); https://doi.org/10.1117/12.257227

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