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Proceedings Paper

Optical wavelength transform continuous in time, time shift, and scale
Author(s): H. John Caulfield; Jacques E. Ludman; Philip L. Hemmer
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Paper Abstract

A continuously-evolving, nonstationary time signal is essentially impossible to analyze digitally. To analyze it by analog optics, we suggest an acoustooptic wavelet transform continuous in separation time, clock time, and frequency. For convenience, we cause the pattern for any signal feature to remain spatially fixed while that feature is in the time window.

Paper Details

Date Published: 1 June 1994
PDF: 4 pages
Proc. SPIE 2238, Hybrid Image and Signal Processing IV, (1 June 1994); doi: 10.1117/12.177709
Show Author Affiliations
H. John Caulfield, Alabama A&M Univ. (United States)
Jacques E. Ludman, Northeast Photosciences, Inc. (United States)
Philip L. Hemmer, Rome Lab. (United States)


Published in SPIE Proceedings Vol. 2238:
Hybrid Image and Signal Processing IV
David P. Casasent; Andrew G. Tescher, Editor(s)

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