Optimized Feature Extraction for Temperature-Modulated Gas Sensors

Figure 1

Responses of a SnO₂ gas sensor in presence of different gas concentrations; (a) the sensor response in the time domain; (b) phase space of SnO₂ sensor with 𝑓(𝑡) and 𝑓^(𝑡) as canonical variables.

(a)

(b)