Response compensation of temperature sensors: Frequency-domain estimation of thermal time constants
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A technique for estimating in situ thermal time-constant values of temperature sensors in the frequency domain and for compensating the sensor outputs for the response delays is proposed. The scheme developed is complementary to the time-domain response-compensation ones previously reported by Tagawa et al. [Rev. Sci. Instrum. 69, 3370 (1998)]. The scheme provides fast, simple, and flexible data processing based on the fast Fourier transform algorithm, and is potentially applicable to the response compensation of various physical and chemical sensors.
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