www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@fftfir/setnumerator.m
function num = setnumerator(Hd, num) %SETNUMERATOR Overloaded set on the Numerator property. % Author: R. Losada % Copyright 1988-2004 The MathWorks, Inc. % Calculate the FFTCOEFFS first because DTFWNUM_SETNUMERATOR returns []. fftcoeffs = fft(num(:),Hd.BlockLength+length(num)-1); % Call super method num = dtfwnum_setnumerator(Hd, num); Hd.fftcoeffs = fftcoeffs(:); % In case num is a scalar % [EOF]