Documentation

This is machine translation

Translated by Microsoft
Mouseover text to see original. Click the button below to return to the English verison of the page.

Note: This page has been translated by MathWorks. Please click here
To view all translated materals including this page, select Japan from the country navigator on the bottom of this page.

filtstates

Filter states

Syntax

Hs = filtstates.structure(input1,...)

Description

Hs = filtstates.structure(input1,...) returns a filter states object Hs, which contains the filter states.

You can extract a filtstates object from the states property of an object with

Hd = dfilt.df1
Hs = Hd.states

Structures

Structures for filtstates specify the type of filter structure. Available types of structures for filtstates are shown below.

filtstates.structure

Description

filtstates.dfiir

filtstates for IIR direct-form I filters (dfilt.df1, dfilt.df1t, dfilt.df1sos, and dfilt.df1tsos)

filtstates.cic

filtstates for cascaded integrator comb filters. (Available only with DSP System Toolbox™ and Fixed-Point Designer™ products.)

Refer to the particular filtstates.structure reference page or use the syntax help filtstates.structure at the MATLAB® prompt for more information.

Introduced before R2006a

Was this topic helpful?