电路基础 对(41-9)式两端同时积分,并设(-∞)=0,得 u(s)ds (4.1-10) 设为初始时刻,(4.1-10)式可改写为 l(l5+a(5l5 L L (t)+[u(55 L Jto ()=J.5×5电路基础 对(4.1 - 9)式两端同时积分,并设i(-∞)=0, 得 u d L i t t − = ( ) 1 ( ) 设t0为初始时刻, (4.1 - 10)式可改写为 u d L i t u d L u d L i t t t t t t = + = + − 0 0 0 ( ) 1 ( ) ( ) 1 ( ) 1 ( ) 0 u d L i t t − = ( ) 1 ( ) 0 (4.1-10)