www.gusucode.com > signal 工具箱matlab源码程序 > signal/+fdesign/@abstracttype/privdesigngateway.m
function varargout = privdesigngateway(this, method, varargin) %PRIVDESIGNGATEWAY Gateway for all of the design methods. % PRIVDESIGNGATEWAY(H, METHOD, PV-pairs) % Copyright 2005-2011 The MathWorks, Inc. % We assume here that "method" is valid. % Force a single output from THISDESIGN. n = nargout; % Suppress MFILT deprecation warning w = warning('off', 'dsp:mfilt:mfilt:Obsolete'); restoreWarn = onCleanup(@() warning(w)); if isdesignmethod(this, method) [varargout{1:n}] = thisdesign(this, method, varargin{:}); else error(message('signal:fdesign:abstracttype:privdesigngateway:invalidMethod', upper( method ), this.Specification)); end % Store fdesign obj in dfilt setfdesign(varargout{1},this); % Store the design method string setdesignmethod(varargout{1},method); % Convert to System object if it has been requested fm = getfmethod(varargout{1}); if nargout && isprop(fm,'SystemObject') && fm.SystemObject varargout{1} = sysobj(varargout{1}); end if ~nargout Hd = varargout{1}; varargout = {}; if this.NormalizedFrequency, inputs = {'NormalizedFrequency', 'On'}; else inputs = {'Fs', this.Fs}; end inputs = {inputs{:}, 'DesignMask', 'on'}; fvtool(Hd, inputs{:}); end % [EOF]