Gas Classification Using Combined Features Based on a Discriminant Analysis for an Electronic Nose

Table 1

The CB polymer composites used in the sensor array.

Channel	Polymer
1	Poly(methyl methacrylate)
2	Polyvinylpyrrolidone
3	Poly(vinyl acetate)
4	Poly(ethylene oxide)
5	Polycaprolactone
6	Poly(4-methylstyrene)
7	Poly(styrene-co-methyl methacrylate)
8	Poly(ethylene-co-vinylacetate)
9	Poly(bisphenol A carbonate)
10	Poly(4-vinyl pyridine)
11	Poly(vinyl butyral)-co-vinyl alcohol-co-vinyl acetate
12	Poly(vinyl stearate)
13	Ethyl cellulose
14	Polystyrene-block-polyisoprene-block-polystyrene
15	Hydroxypropyl cellulose
16	Cellulose acetate