www.gusucode.com > dsp 案例源码程序 matlab代码 > dsp/ResetAHighpassFilterExample.m
%% Reset a Highpass Filter % Create a highpass filter with default properties. %% % Copyright 2015 The MathWorks, Inc. HPF = dsp.HighpassFilter; %% % Create a two-channel random signal. Apply the |step| method twice % on the signal. x = randn(10,2); y1 = step(HPF,x); y2 = step(HPF,x); no = all(y2==y1) %% % The output is different because the internal states of |HPF| have % changed. Reset the highpass filter and apply |step| again. % Verify that the output is unchanged. reset(HPF) y3 = step(HPF,x); yes = all(y3==y1)