Savitzky-Golay smoothing method of FPA photodiodes spectral response
Consideration is given to an actual problem in measurements and analysis of the spectral sensitivity in matrix photosensitive devices with low signal-noise ratio, namely, using the noise-smoothing filters without a significant impact on the spectral range of a photosensitive array and position of a maximum sensitivity. In this research, we compare the different calculation procedures (different kinds of moving average, spline interpolation, using Bezier curves, Savitzky-Golay method). The main criteria of the most suitable and useful method is non-change in the spectral range behavior. We choose the best optimal method of spectral response conversion which can be used to calculate parameters of FPAs.