Signal Processing with Scilab

Time and Frequency Representation of Signals

Bode

Bode plot

group

group delay for digital filter

Sample

Sample with replacement

Design of Finite Impulse Response (FIR) Filters

wfir

linear-phase FIR filters

fsfirlin

design of FIR, linear phase filters, frequency sampling technique

remez

Remez exchange algorithm for the weighted chebyshev approximation of a continuous function with a sum of cosines.

Design of Infinite Impulse Response Filters

zpbutt

Butterworth analog filter

iir

iir digital filter

eqiir

Design of iir filters