ts = iddata(zscore(data.acc(:,dofy)),[],data.dt,... 'OutputName',name,'OutputUnit',Ounit,... 'Name','ASCE-benchmark 120DOF');

m = ar(ts(:,k),order,'yw');

compare(ts(:,k),m,'r-.',1,1000:1300);

（3）

resid(m,ts(:,k),'corr',25)

[e,r] = resid(m,ts(:,k),'corr',40);

resid(r)

plot(e(1000:1300))

参考文献

Matlab help

[1] DA SILVA S, DIAS J NIOR M, LOPES JUNIOR V. Damage detection in a benchmark structure using AR-ARX models and statistical pattern recognition [J]. J Braz Soc Mech Sci Eng, 2007, 29(2): 174-84.