matlabDigitalSigalProcess内有文件若干

				function ans = get(obj,prop)
				%GET Method for fdspec object
				
				%   Author: T. Krauss
				%   Copyright (c) 1988-98 by The MathWorks, Inc.
				%   $Revision: 1.4 $
				
				obj = struct(obj);
				
				if nargin == 1
				    ans = cell(length(obj),1);
				    for i = 1:length(obj)
				        ans{i} = get(obj.h);
				        objud = get(obj.h,'userdata');
				        flds = fieldnames(objud);
				        for j = 1:length(flds)
				            ans{i} = setfield(ans{i},flds{j},getfield(objud,flds{j}));
				        end
				    end
				    if all(size(ans)==1)
				        ans = ans{:};
				    end
				    return
				end
				
				if ~iscell(prop)
				    prop = {prop};
				end
				
				prop = prop(:);
				obj = obj(:);
				
				ans = cell(length(obj),length(prop));
				for i = 1:length(obj)
				    for j = 1:length(prop)
				        ans{i,j} = getprop(obj(i),prop{j});
				    end
				end
				
				if all(size(ans)==1)
				    ans = ans{:};
				end
				
				
				function val = getprop(obj,prop)
				% get the value of a single property of a single object struct
				
				switch prop
				case {'label','callback','format','value','lastvalue','revertvalue',...
				       'range','inclusive','integer','editable','visible','position',...
				       'radiogroup','userdata','help','hlabel','tooltip'}
				    objud = get(obj.h,'userdata');
				    val = eval(['objud.' prop]); %getfield(objud,prop);
				case 'h'
				    val = obj.h;
				otherwise
				    val = get(obj.h,prop);
				end