dfilt.scalar
Discrete-time, scalar filter
Syntax
Hd = dfilt.scalar(g)
Hd = dfilt.scalar
Description
Hd = dfilt.scalar(g)
returns a
discrete-time, scalar filter, Hd
, with gain g
,
where g
is a scalar.
Hd = dfilt.scalar
returns a default,
discrete-time scalar gain filter, Hd
, with gain
1
.
Examples
Create a direct-form I filter and a scalar object with a gain of 3 and cascade them together.
b = [0.3 0.6 0.3]; a = [1 0 0.2]; Hd_filt = dfilt.df1(b,a); Hd_gain = dfilt.scalar(3); Hd_cascade = cascade(Hd_gain,Hd_filt);
To view the stages of the cascaded filter, use
Hd.stage(1)
and
Hd.stage(2)
Version History
Introduced before R2006a