1、第第3 3讲讲 系统的微分方程及其响应系统的微分方程及其响应第第4 4讲讲 阶跃信号与阶跃响应阶跃信号与阶跃响应第第5 5讲讲 冲激信号与冲激响应冲激信号与冲激响应第第6 6讲讲 卷积及其应用卷积及其应用第第7 7讲讲 二阶系统的分析二阶系统的分析ttiLtuLd)(d)(ttuCtiCd)(d)()()(d)(dStututtuRCCC)(1)(1)(StuRCtuRCtuCC)()(d)(dStitittiRLLL)()()(StiLRtiLRtiLL)()()(tgtayty)()(1)(1)()(SStiLCRtiCtuLCtuLRtuCCC)()()(tgtaytyataatgty0
2、zsde)(e)()(2)(2)(StututuCC (受激响应)零状态响应(储能响应)零输入响应1e2ee4)(322Cttttu 强迫响应自由响应ttt322e21ee4稳态响应瞬态响应1e2e532tt)ZSR()()ZIR()()(zszitytyty?d)()()(01ttxgty)()()()(tgtbtaytytd)(taatbtsty0de)(e)()()()e1(tabat (t=0)(t)=0 (t 0)1d)(tttttd)(d)()0(d)()(ftttf)(d)()(00tfttttf1d)(d)(00tttttd)(ttd)()(tttd)(d)(nntpnftf)
3、()()(1d)()()(tftftaatbthty0de)(e)()()(etbat)()()()(tgtbtaytyttsthd)(d)(thtsd)()(d)()()()()(2121tfftftftyattx e)(1ttxgtxtgty011d)()()()()()()(d)()()(ttftftff(t)(t)=f(t)(1)(t)()()()()(2)1(1)1(21)1(tftftftftytfd)(d)()(thfd)()(tf )e1(2de2d)()()(0)(0ttttthftyee 2de2d)()()()2(20)(20tttthfty)()()(2txtgty)0(ee)(212ttxtt2121),()ee(121ttt=21),(ettt)()()(2)(txtgtht)()()()()(01tgtbtyatyaty y(t)=h(t)=b(t)x2(t)()ee(2121tbtt)()()(2)(txtgtst)()()()()(01tgtbtyatyaty)ee(11)()(2112210ttabtsty