hslogic_连续系统的频域分析

c=input('C='); rc=input('RC='); b=[c]; a=[rc,1]; printsys(b,a,'s') [Hz,w]=freqs(b,a); w=w./pi; magh=abs(Hz); zerosIndex=find(magh==0); magh=20*log10(magh); magh(zerosIndex)=-inf; angh=angle(Hz); angh=

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