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classdef lpmin < fspecs.abstractlpmin %LPMIN Construct an LPMIN object. % Copyright 1999-2015 The MathWorks, Inc. %fspecs.lpmin class % fspecs.lpmin extends fspecs.abstractlpmin. % % fspecs.lpmin properties: % ResponseType - Property is of type 'ustring' (read only) % NormalizedFrequency - Property is of type 'bool' % Fs - Property is of type 'mxArray' % Fpass - Property is of type 'posdouble user-defined' % Fstop - Property is of type 'posdouble user-defined' % Apass - Property is of type 'posdouble user-defined' % Astop - Property is of type 'posdouble user-defined' % % fspecs.lpmin methods: % getdesignobj - Get the designobj. % getdesignpanelstate - Get the designpanelstate. % measure - Measure the filter. % measureinfo - Return a structure of information for the measurements. methods % constructor block function h = lpmin(varargin) %LPMIN Construct a LPMIN object. % H = LPMIN(Fpass,Fstop,Apass,Astop,Fs) constructs a minimum-order % lowpass filter specifications object. % % Fpass is the 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. % % Fstop is the stopband-edge frequency and must be a positive scalar % greater than Fpass 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.lpmin; respstr = 'Minimum-order lowpass'; fstart = 1; fstop = 2; nargsnoFs = 4; fsconstructor(h,respstr,fstart,fstop,nargsnoFs,varargin{:}); end % lpmin end % constructor block methods % public methods designobj = getdesignobj(~,str,sigonlyflag) s = getdesignpanelstate(this) hm = measure(this,Hd,varargin) minfo = measureinfo(this) end % public methods methods (Hidden) % possibly private or hidden ha = analogresp(h) c = cparam(h) end % possibly private or hidden end % classdef