MATLAB DATABASE TOOLBOX RELEASE NOTES User's Guide Page 179

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New Features
13-9
Changes to Filtering Block Libraries
This section describes the changes to the contents and names of the DSP
Blockset filtering block libraries.
Replaced Filtering Block Libraries
The new Filter Designs block library in DSP Blockset 4.1 replaces the old
Filter Structures and Filter Designs block libraries in DSP Blockset 4.0, and
contains the following blocks:
•Analog Filter Design
•Biquadratic Filter
•Digital Filter Design
•Direct-Form II Transpose Filter
•Filter Realization Wizard
•Overlap-Add FFT Filter
•Overlap-Save FFT Filter
•Time-Varying Lattice Filter
•Time-Varying Direct-Form II Transpose Filter
Replaced Filtering Blocks
The new Digital Filter Design block in the Filter Designs block library (see
“New Digital Filter Design Block” on page 13-2) replaces the following DSP
Blockset 4.0 blocks:
•Digital FIR Filter Design
•Digital FIR Raised Cosine Filter Design
•Digital IIR Filter Design
•Least Squares FIR Filter Design
•Remez FIR Filter Design
You can still access these blocks by typing
dspddes3 at the MATLAB command
line, but they are no longer in the DSP Blockset Filter Designs block library.
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