www.gusucode.com > signal 工具箱matlab源码程序 > signal/+fspecs/@bspassastop/bspassastop.m
classdef bspassastop < fspecs.bspass %BSPASSASTOP Construct an BSPASASTOP object. % Copyright 1999-2015 The MathWorks, Inc. %fspecs.bspassastop class % fspecs.bspassastop extends fspecs.bspass. % % fspecs.bspassastop properties: % ResponseType - Property is of type 'ustring' (read only) % NormalizedFrequency - Property is of type 'bool' % Fs - Property is of type 'mxArray' % FilterOrder - Property is of type 'posint user-defined' % Fpass1 - Property is of type 'posdouble user-defined' % Fpass2 - Property is of type 'posdouble user-defined' % Apass - Property is of type 'posdouble user-defined' % Astop - Property is of type 'posdouble user-defined' % % fspecs.bspassastop methods: % analogresp - Compute analog response object. % getdesignobj - Get the designobj. % getdesignpanelstate - Get the designpanelstate. % magprops - Return the magnitude properties. % measureinfo - Return a structure of information for the measurements. properties (AbortSet, SetObservable, GetObservable) %ASTOP Property is of type 'posdouble user-defined' Astop = 60; end methods % constructor block function h = bspassastop(varargin) %BSPASSASTOP Construct a BSPASSASTOP object. % H = BSPASSASTOP(N,Fpass1,Fpass2,Apass,Astop,Fs) constructs a bandstop % filter specifications object with passband-edge specifications and % stopband attenuation. % % N is the filter order and must be an even positive integer. % % Fpass1 is the lower passband-edge frequency and must be a positive % scalar between 0 and 1 if no sampling frequency is specified or between % 0 and Fs/2 if a sampling frequency Fs is specified. % % Fpass2 is the higher passband-edge frequency and must be a positive % scalar larger than Fpass1 and between 0 and 1 if no sampling frequency % is specified or between 0 and Fs/2 if a sampling frequency Fs is % specified. % % Apass is the maximum passband deviation in dB. It must be a positive % scalar. % % Astop is the minimum stopband attenuation in dB. It must be a positive % scalar. % % Fs is the sampling frequency. If Fs is not specified, normalized % frequency is assumed. If Fs is specified, it must be a positive scalar. % Author(s): R. Losada % h = fspecs.bspassastop; respstr = 'Bandstop with passband-edge specifications and stopband attenuation.'; fstart = 2; fstop = 3; nargsnoFs = 5; fsconstructor(h,respstr,fstart,fstop,nargsnoFs,varargin{:}); end % bspassastop end % constructor block methods function set.Astop(obj,value) % User-defined DataType = 'posdouble user-defined' validateattributes(value,{'numeric'},... {'scalar','positive'},'','Astop'); value = double(value); obj.Astop = value; end end % set and get functions methods % public methods ha = analogresp(h) designobj = getdesignobj(~,str,sigonlyflag) s = getdesignpanelstate(this) [p,s] = magprops(this) minfo = measureinfo(this) end % public methods methods (Hidden) % possibly private or hidden specs = thisgetspecs(this) end % possibly private or hidden end % classdef