MATLAB SIGNAL PROCESSING TOOLBOX 6 Bedienungsanleitung PDF herunterladen (Seite 55)

Exporting Filters from FDATool

4-17

whos

Name Size Bytes Class Attributes

Hd1 1x1 dfilt.df2sos

Hd10 1x1 dfilt.df2sos

Hd2 1x1 dfilt.df2sos

Hd3 1x1 dfilt.df2sos

Hd4 1x1 dfilt.df2sos

Hd5 1x1 dfilt.df2sos

Hd6 1x1 dfilt.df2sos

Hd7 1x1 dfilt.df2sos

Hd8 1x1 dfilt.df2sos

Hd9 1x1 dfilt.df2sos

Filtering with dfilt

Type the following on the MATLAB command line to concatenate your filter bank

filter objects into a single dfilt object.

Hd = [Hd1 Hd2 Hd3 Hd4 Hd5 Hd6 Hd7 Hd8 Hd9 Hd10];

To view the first filter, type Hd(1).

Hd(1)

ans =

FilterStructure: 'Direct-Form II, Second-Order Sections'

sosMatrix: [3x6 double]

ScaleValues: [3.40097054256801e-009;1;1;1]

PersistentMemory: false

A number of methods can be used to view and manipulate the Hd1 dfilt object. Try

the info command:

info(Hd1) % Displays filter information

Discrete-Time IIR Filter (real)

-------------------------------

Filter Structure : Direct-Form II, Second-Order Sections

Number of Sections : 3

Stable : Yes

Linear Phase : No

You can open FVTool from the MATLAB command line and specify display

parameters as follows.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60

Keine Kommentare

MATLAB SIGNAL PROCESSING TOOLBOX 6 Bedienungsanleitung Seite 55