Learn more about Filter Design Toolbox

Version 4.4 (R2008b) Filter Design Toolbox

This table summarizes what's new and changed in Version 4.4 (R2008b):

New Features and Changes	Version Compatibility Considerations	Fixed Bugs and Known Problems	Related Documentation at Web Site
Yes Details below	No	Bug Reports	Printable Release Notes: PDF Current product documentation

New features and changes introduced in this version are described here.

• Fdesign Support for Additional Filter Types

• OptimizeScaleValues Property Added to dfilt Second-order Sections Object

Fdesign Support for Additional Filter Types

fdesign now supports the following filter types:

• Raised-cosine and square-root raised-cosine

• Maxflat FIR and IIR lowpass

• Maxflat FIR highpass

• Constrained least-squares FIR lowpass, highpass, bandpass, bandstop

OptimizeScaleValues Property Added to dfilt Second-order Sections Object

OptimizeScaleValues property added to dfilt second-order sections object, allows the user to control skipping multiplication-by-1. Previous versions of Filter Design Toolbox software always optimized scale values equal to 1. Starting in R2008b, users can configure the software so it does not skip multiplication-by-1 between sections.

Version 4.5 (R2009a) Filter Design Toolbox

Version 4.3 (R2008a) Filter Design Toolbox

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