Mercurial > hg > ltpda
diff m-toolbox/classes/@miir/fromPzmodel.m @ 0:f0afece42f48
Import.
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
---|---|
date | Wed, 23 Nov 2011 19:22:13 +0100 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/m-toolbox/classes/@miir/fromPzmodel.m Wed Nov 23 19:22:13 2011 +0100 @@ -0,0 +1,70 @@ +% Construct an miir from a pzmodel +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% +% FUNCTION: fromPzmodel +% +% DESCRIPTION: Construct an miir from a pzmodel +% +% CALL: f = fromPzmodel(f, pli) +% +% PARAMETER: type: String with filter type description +% pli: Parameter list object +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +function f = fromPzmodel(f, ipzm, pli) + + VERSION = '$Id: fromPzmodel.m,v 1.16 2011/08/15 11:22:36 hewitson Exp $'; + ii = miir.getInfo('miir', 'From Pzmodel'); + % Set the method version string in the minfo object + ii.setMversion([VERSION '-->' ii.mversion]); + + % Add default values + pl = applyDefaults(ii.plists, pli); + + % Get parameters + if isempty(ipzm) + pzm = find(pl, 'pzmodel'); + else + pzm = ipzm; + pl.remove('pzmodel'); + end + + if ~isa(pzm, 'pzmodel') + error('### The ''From Pzmodel'' constructor requires an input pzmodel'); + end + + fs = find(pl, 'fs'); + + if isempty(fs) + % get max freq in pzmodel + fs = 8*getupperFreq(pzm); + warning([sprintf('!!! no sample rate specified. Designing for fs=%2.2f Hz.', fs)... + sprintf('\nThe filter will be redesigned later when used.')]); + end + % make MIIR filter + f = tomiir(pzm, fs); + + if isempty(pl.find('name')) + pl.pset('name', sprintf('iir(%s)', pzm.name)); + end + if isempty(pl.find('description')) + pl.pset('description', pzm.description); + end + if isempty(pl.find('iunits')) + pl.pset('iunits', pzm.iunits); + end + if isempty(pl.find('ounits')) + pl.pset('ounits', pzm.ounits); + end + + % Add history + if isempty(ipzm) + f.addHistory(ii, pl, [], []); + else + f.addHistory(ii, pl, [], ipzm.hist); + end + + % Set object properties + f.setObjectProperties(pl); + +end % End fromPzmodel