一阶电路方程 由KVL可得 un(t)+uc(t)=uoc (t) “因=R.0=c能 RC duc+Gouc isc(t) C dt 同理，对电感ur(t)+4(d)=uoc(t) ur(t)=R,(d),1 0=1 Li+Ri uoc (t) dt +i,=ic() GoL dt 4一阶电路方程 由KVL可得 4 同理，对电感 ( ) ( ) ( ) ( ) ( ) ( ) ( ) G u i (t) dt du C u u t dt du R C dt du u t R i t i t C u t u t u t o C SC C C OC C o C R o R C OC o o + = + = = = + = , ( ) ( ) ( ) ( ) ( ) ( ) ( ) i i (t) dt di G L R i u t dt di L dt di u t R i t u t L u t u t u t L SC L O o L OC L L R o L L R L OC o o + = + = = = + =