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4 Filter Design with the FDATool GUI

4-2

Introduction

This section describes how to graphically design and implement digital filters using the

Signal Processing Toolbox FDATool GUI. Filter design is the process of creating the filter

coefficients to meet specific frequency specifications. Filter implementation involves

choosing and applying a particular filter structure to those coefficients. Only after both

design and implementation have been performed can your data be filtered.

This section includes a brief discussion of applying the completed filter design and filter

implementation using MATLAB command line functions, such as filter.

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MATLAB SIGNAL PROCESSING TOOLBOX 6 Manuale Utente Pagina 40