Research Article

Application of Temperature Modulation-SDP on MOS Gas Sensors: Capturing Soil Gaseous Profile for Discrimination of Soil under Different Nutrient Addition

Figure 2

The schematic of temperature modulation-SDP for array TGSs (a) and FISs (b). and are static voltage, is sensing circuit voltage, is modulation signal for , and is modulation signal for .
(a)
(b)