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7. Filter Design Techniques Build-a-Figure

7.1 [baf] Filter design via MATLAB’s fdatool p495 - This Build-a-Figure shows how to use MATLAB's fdatool to investigate several types of filter designs.
7.4 [baf] Butterworth impulse invariance design via MATLAB. p502 - Shows how to use MATLAB's impinvar command to design an impulse invariant Butterworth filter.
7.30,31 [baf] Windows p537 - Recreate Figure 7.30 and Figure 7.31 using MATLAB's window command.
7.32 [baf] Kaiser Window p543 - Reproduce figure 7.32 via MATLAB
7.49 [baf] Parks-McClellan Algorithm p568 - This Build-a-Figure reproduces Figure 7.49 which shows the how the Parks-McClellan algorithm iterates to select the frequencies for the extrema. Your program will initially assume the frequencies are equally spaced. Each iteration will then move each frequency to the nearest local minimum or maximum.


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Oppenheim and Schafer, Discrete-Time Signal Processing ISBN 0-13-198842-5.
Prentice Hall, Upper Saddle River, NJ 07458. © 2010 Pearson Education, Inc.