Measurement Uncertainty Estimation of a Robust Photometer Circuit
AbstractIn this paper the uncertainty of a robust photometer circuit (RPC) was estimated. Here, the RPC was considered as a measurement system, having input quantities that were inexactly known, and output quantities that consequently were also inexactly known. Input quantities represent information obtained from calibration certificates, specifications of manufacturers, and tabulated data. Output quantities describe the transfer function of the electrical part of the photodiode. Input quantities were the electronic components of the RPC, the parameters of the model of the photodiode and its sensitivity at 670 nm. The output quantities were the coefficients of both numerator and denominator of the closed-loop transfer function of the RPC. As an example, the gain and phase shift of the RPC versus frequency was evaluated from the transfer function, with their uncertainties and correlation coefficient. Results confirm the robustness of photodiode design. View Full-Text
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Hernandez, W.; De Vicente, J. Measurement Uncertainty Estimation of a Robust Photometer Circuit. Sensors 2009, 9, 3149-3160.
Hernandez W, De Vicente J. Measurement Uncertainty Estimation of a Robust Photometer Circuit. Sensors. 2009; 9(4):3149-3160.Chicago/Turabian Style
Hernandez, Wilmar; De Vicente, Jesús. 2009. "Measurement Uncertainty Estimation of a Robust Photometer Circuit." Sensors 9, no. 4: 3149-3160.