www.gusucode.com > sigtools 工具箱matlab源码程序 > sigtools/+fmethod/@butterbp/sosscale.m
function sosscale(this, Hd) %SOSSCALE Scale the SOS Filter. % Copyright 1999-2015 The MathWorks, Inc. % If the user has specified either the scaling norm or the scaling % options, scale the filter if it is an SOS. if ~isa(Hd, 'dfilt.abstractsos') return; end norm = get(this, 'SOSScaleNorm'); opts = get(this, 'SOSScaleOpts'); if ~isempty(norm) if isempty(opts) opts = scaleopts(Hd); opts.NumeratorConstraint = 'unit'; opts.ScaleValueConstraint = 'none'; this.SOSScaleOpts = opts; end % We cannot use 'auto' because it relies on the FDESIGN object % being attached to the DFILT. if strcmpi(opts.sosReorder, 'auto') opts.sosReorder = getsosreorder(this); end scale(Hd, norm, opts); end % [EOF]