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IEEE Sensors Journal
The objective of this research is to develop a low-cost infrared absorption spectroscope based on linear variable filter technology for the automated detection of concentrated gases and vapors, and the semiautomated detection of liquids. This instrument represents an alternative to electronic-nose devices based on cross-selective gas sensor arrays. Instead, the proposed instrument uses the concept of computational "pseudosensors," whereby spectral lines in an analytical instrument are clustereddoi:10.1109/jsen.2007.901002 fatcat:4grjrxqh4rgypjlyppwznhhcea