New strategy for the development of a ga
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Satoshi Nakata; Hiroko Nakamura; Kenichi Yoshikawa
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Article
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1992
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Elsevier Science
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English
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A novel method of gas sensing is proposed based on information from the non-linear dynamic property of a ceramic gas sensor. A sinusoidal voltage is applied to a heater equipped with an SnO2 gas sensor and the resulting output resistance is analysed by fast Fourier transformation (FFT). It is found