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Proceedings Paper

Research of acousto-optic correlator for new telecommunication receiver system
Author(s): Dingrong Shao; Shujian Li; Bin Zhou
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Paper Abstract

A promising receive system model working in high frequency and wideband, with large processing gain, is researched. As the crux, an acousto-optic correlator is discussed especially. Analyzing the principle of a bulk wave space integrating A-O correlator/convolver, an experimental signal processor with large Gp using a high frequency wideband A-O device is configured. By this system, operation of correlation/convolution with BPSK modulated by Barker code is completed. The result is in accordance with the theoretic calculation. This model works in 175 MHz center frequency, 120 MHz bandwidth, and 29.4 dB processing gain. The method of detecting the first order diffracted light beam is proved theoretically and experimentally to expend dynamic range.

Paper Details

Date Published: 21 January 1994
PDF: 11 pages
Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); doi: 10.1117/12.166011
Show Author Affiliations
Dingrong Shao, Beijing Univ. of Aeronautics and Astronautics (China)
Shujian Li, Beijing Univ. of Aeronautics and Astronautics (China)
Bin Zhou, Beijing Univ. of Aeronautics and Astronautics (China)

Published in SPIE Proceedings Vol. 2051:
International Conference on Optical Information Processing
Yuri V. Gulyaev; Dennis R. Pape, Editor(s)

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