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Hybrid optical–digital signal processing applied to an optimal nonlinear phase estimator

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Abstract

An electrooptical realization of an optimal phase estimator for phase modulated communication signals is described in this work. The realization uses an electrooptical processor to perform a 1-D convolution in a 2-D space and a computer to complete the calculations. The processor is a realization of the time domain recursive nonlinear filter. This paper describes the nonlinear filter theory, the electrooptical realization, and the performance of the processor.

© 1983 Optical Society of America

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