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Spectroscopy and hybrid neural network analysis

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2 Author(s)
Taiwei Lu ; Physical Opt. Corp., Torrance, CA, USA ; Lerner, J.

This paper reviews the current use of spectroscopy and related instrumentation in chemical analysis. Advancements in digital signal processing technology are making it possible to improve the sensitivity and accuracy of analytical instruments without expensive upgrading of instrument hardware. A hybrid neural network (HNN) is described that can perform nonlinear signal analysis. The HNN approach combines the simple data reduction capability of conventional linear signal processing algorithms with the adaptive learning and recognition ability of a multilayer nonlinear neural network architecture. A number of examples show the rise of the HNN for environmental monitoring and real-time process control

Published in:

Proceedings of the IEEE  (Volume:84 ,  Issue: 6 )