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Gas sensor dynamic test principle and FFT spectrum analysis

  • 2013-09-22
  • 277.98KB
  • Points it Requires : 2

The dynamic test method of gas-sensitive materials can greatly improve the selectivity of gas sensors. This technology has a high application value. Based on the research of dynamic test methods, this paper uses Fourier transform technology to process dynamic test spectra, which can more clearly distinguish gas types and is conducive to computer intelligent identification. At the same time, a dynamic test model is established from the perspective of solid material physics, and the dynamic test mechanism is discussed. Keywords: gas-sensitive materials; dynamic test; fast Fourier transform

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