Vol. 15, issue 01, article # 12

Tartakovsky V. A. Causality and demodulation of optical monotone-phase signals. // Atmospheric and oceanic optics. 2002. V. 15. No. 01. P. 78-86.    PDF
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Abstract:

The state-of-the-art in definition of the amplitude and phase of signals as applied to analysis of fringe patterns of the interferogram type is discussed. Two problems of both theoretical and practical significance, namely, the conditions for existence of two-band spectrum in real signals and optimal calculation of the Hilbert transform, are considered. Some constructive results are presented.