Optical recognition of one-dimensional signals represented on the phase plane

Vitalij N. Kurashov; Volodymir P. Dan'ko; Alexandr V. Kisil; Andry V. Kovalenko; Dmitrij V. Podanchuk

doi:10.1117/12.295719

1 December 1997 Optical recognition of one-dimensional signals represented on the phase plane

Vitalij N. Kurashov, Volodymir P. Dan'ko, Alexandr V. Kisil, Andry V. Kovalenko, Dmitrij V. Podanchuk

Proceedings Volume 3317, International Conference on Correlation Optics; (1997) https://doi.org/10.1117/12.295719
Event: International Conference on Correlation Optics, 1997, Chernivsti, Ukraine

Abstract

Structural correlation analysis is carried out for 1D signals, represented as phase images. For LFM signals, mapped into generalized phase plane with coordinates x equals S, y equals S"/S, sensitivity of correlation analysis to staggering of deviation frequency is invariant to impulse duration and increase with increase of carrier frequency and decrease of initial deviation. Phase representation of LFM signals essentially improves the sensitivity of coherent optical processing in comparison with binary raster representation.

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Vitalij N. Kurashov, Volodymir P. Dan'ko, Alexandr V. Kisil, Andry V. Kovalenko, and Dmitrij V. Podanchuk "Optical recognition of one-dimensional signals represented on the phase plane", Proc. SPIE 3317, International Conference on Correlation Optics, (1 December 1997); https://doi.org/10.1117/12.295719

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KEYWORDS

Critical dimension metrology

Compact discs

Phase shift keying

Modulation

Signal processing

Signal detection

Optical signal processing

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