www.gusucode.com > signal 案例源码程序 matlab代码 > signal/FIRDifferentiatorExample.m
%% FIR Differentiator % Design a full-band differentiator filter of order 7. Display its % zero-phase response. Use it to filter a 1000-sample vector of random % data. % Copyright 2015 The MathWorks, Inc. %% dFilt = designfilt('differentiatorfir','FilterOrder',7); fvtool(dFilt,'MagnitudeDisplay','Zero-phase') dataIn = randn(1000,1); dataOut = filter(dFilt,dataIn);