spectrum.burg
Burg spectrum
Syntax
Hs = spectrum.burg
Hs = spectrum.burg(order)
Description
Note
The use of spectrum.burg
is not recommended.
Use pburg
instead.
Hs = spectrum.burg
returns a default Burg
spectrum object, Hs
, that defines the parameters for the Burg
parametric spectral estimation algorithm. The Burg algorithm estimates the spectral
content by fitting an autoregressive (AR) linear prediction filter model of a given
order to the signal.
Hs = spectrum.burg(order)
returns
a spectrum object, Hs
with the specified order
.
The default value for order
is 4.
Note
See pburg
for more information
on the Burg algorithm.
Examples
Define a fourth order autoregressive model and view its power spectral density using the Burg algorithm.
x=randn(100,1); x=filter(1,[1 1/2 1/3 1/4 1/5],x); % 4th order AR filter Hs=spectrum.burg; % 4th order AR model psd(Hs,x,'NFFT',512)
Version History
Introduced before R2006a