#### Digital signal processing proakis manolakis pdf

• J. G. Proakis, D. G. Manolakis: Digital Signal Process-ing: Principles, Algorithms, and Applications, Prentice Digital signal processing: Processing of signals by digital means (software and/or hardware) Includes: • Conversion from the analog to the digital domain and back. To obtain the continuous signal r (t), first we increase the sample rate of r (n) to the same sample rate of the desired ECG by interpolation [12,19, 20]. Then, a R -peak detection algorithm [12] is applied to the interpolated signal to determine r (t), as a result ω (t) (Eq. 2) is calculated and the ECG is built by means of Eq. (1). Figure (b) Refer to ﬁg y(n) is a sinusoidal signal. By taking the even numbered samples, the sampling frequency is reduced to half i.e., 25kHz which is still greater than the nyquist rate. The frequency of the downsampled signal is 2kHz.

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