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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 43, Iss. 5 — May. 1, 1989
  • pp: 750–758

Adaptive Signal Processing Techniques: An Application to Raman Spectroscopy

Ramiro Jordan and Stephen A. Dyer

Applied Spectroscopy, Vol. 43, Issue 5, pp. 750-758 (1989)


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Abstract

In this study, the applicability of adaptive filters and algorithms to the enhancement of Raman spectra is investigated. The two adaptive-filter realizations described are the transversal (tapped-delay) and the lattice. The two adaptive algorithms considered are the least-mean-square and the modified least-square. Experimental results demonstrate that enhancement of Raman spectra obtained at low signal-to-noise ratios can be achieved. Extrapolation is applied to enhance the inherently low resolution of Raman spectra. Adaptive filtering techniques yield results comparable to those obtained from maximum-entropy methods for estimating spectra, with a resolution exceeding that allowed by Fourier procedures.

Citation
Ramiro Jordan and Stephen A. Dyer, "Adaptive Signal Processing Techniques: An Application to Raman Spectroscopy," Appl. Spectrosc. 43, 750-758 (1989)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-43-5-750


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