Randy Yates
Guest
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 Posted:
Sun Dec 11, 2005 7:29 am Post subject:
Re: testing a filter |
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"student" <connor.tinney@gmail.com> writes:
| Quote: | does anybody know of a good tutorial for testing a simple filter
i've made my filter so do i now use y = filter(b,a,X)
to test different frequencies to see if the correst signal is being
removed?
where b & a are the num and den and x is the sinal to be filtered?
thanks
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Hi student,
Assuming you're using Matlab, then simply use the freqz(b,a) function,
which will give you the magnitude and phase response of the filter.
--
% Randy Yates % "So now it's getting late,
%% Fuquay-Varina, NC % and those who hesitate
%%% 919-577-9882 % got no one..."
%%%% <yates@ieee.org> % 'Waterfall', *Face The Music*, ELO
http://home.earthlink.net/~yatescr |
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