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Abstract:
In this paper the possibility of development of the recursive digital filter using a P-spline is considered. The frequency and time response of the spline filter for real-time data are analytically obtained and investigated. The influence of the P-spline parameters on effectiveness of interpretation is explored with input metrical data. The patterns obtained during spline filter frequency analysis are confirmed by an example of Doppler function restoration.

Keywords:
penalized spline, smoothing spline, digital filter, impulse infinite response (IIR filter), instrumental function, amplitude and phase-frequency response.

Citation:
Kochegurova EA, D Wu. Realization of a recursive digital filter based on penalized splines. Computer Optics 2018; 42(6): 1083-1092. DOI: 10.18287/2412-6179-2018-42-6-1083-1092.

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