Basic concepts of digital filtering
Filtering practice - Digital linear filtering

Article REF: R1101 V1

Basic concepts of digital filtering
Filtering practice - Digital linear filtering

Author : Abdeldjalil OUAHABI

Publication date: January 10, 2021 | Lire en français

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1. Basic concepts of digital filtering

1.1 From analog to digital

An analog or continuous-time signal x(t) sampled at a sampling rate T _e or sampling frequency $F_{e} = \frac{1}{T_{e}}$ takes the form of the following sequence for t = kT _e where k is an integer :

x (k) = x (k T_{e})

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Bibliography

(1) - TAN (L.), JIANG (J.) - Digital Signal Processing: Fundamentals and Applications. - Academic Press (2018).
(2) - LENSSEN (N.) et al - Improvements in the GISTEMP uncertainty model – J. - Geophys. Res. Atmos, Volume 124, n° 12, pp. 6307-6326...

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