
Signal Processing
Recursive filters (IIR)
The transfer function of a second-order IIR filter is obtained. […]
The transfer function of a second-order IIR filter is obtained. […]
After seeing its behavior over time, we derive the transfer function of an FIR filter and the conditions for it to introduce a linear phase shift with frequency. […]
The output of an FIR filter at a certain moment is given by the linear combination of the input samples taken in a finite number of previous moments. […]
Introduction to digital filters, part one. Advantages over analog filters. […]
The zeta transform plays the same role for discrete-time systems and signals as the Laplace transform for continuous systems. […]
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