www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@parallel/computephasedelay.m
function [Phi, W] = computephasedelay(this, varargin) %COMPUTEPHASEDELAY Phase Delay of a discrete-time filter % Copyright 2007 The MathWorks, Inc. % This should be private % Check if all stages have the same overall rate change factor checkvalidparallel(this); inputs = freqzinputs(this, varargin{:}); [b,a] = tf(this); [Phi,W] = phasedelay(b,a,inputs{:}); % [EOF]