4线性电路的基本定理

••iu+-5V+-iu+-5V+-iu+-5V+-u=3Vi=1ANik+–ukkN+–ukikN()+-Us'2i+-Us''2i12221)11(RUiiRRRss21112)(RRRRUiissssURRiRRR2121111212'sRiiRRsURRi2111'''''222iiisiki12'sUki22''ssUkiki212::-+12V+-2I’’I’’13I1’’+-2I’6AI’13I1’::I’=-3AI1’=3A’I’’’I1’’=I’+3I1’+2I’=0I1’=6+I’+12V+-2I6AI13I1-12US1=0VIS2=0AU3=3VUS1=1VIS2=-1AU3=2VUS1=-4VIS2=1AU3=1VUS1=1VIS2=2AU3=?U3=k1US1+k2IS2+kk1US1US1k2IS2IS2k12121230021(1)1(4)1kkkkkkkkk3112238UV1sU3U2sI12123kkkN0abReqbaReqNab+_UocR0ab?Load11’I+U_NUocRoLoad11’I+U_U0CR011’i(t)+u(t)_NM11’i(t)+uNO(t)_NOi(t)11’ioc(t)+uoc(t)_N+1i(t)N11’i(t)+u(t)_NMiNu(t)u(t),i(t)u(t)11’i(t)+u(t)_N11’i(t)+uNO(t)_NOi(t)11’ioc(t)+uoc(t)_N+()()()ocNOututut11’i(t)+uNO(t)_ROi(t)0()()ocutRit111’i(t)+u(t)_NM11’i(t)+u(t)_MUocRo11’i(t)+u(t)_NM0()()()ocututRit1+U_MIGoIsabLoad11’I+U_AOOCOORURGSI1UocRoI+U_MabiscU0CR0•11’i(t)+u(t)_NM11’+uoc(t)_N11’isc(t)NR1I1=-1AR2R5R3Us1Is6aUs5R4b(a)R2R5R3Is6aUs5R4bI5Is6+Uoc_(b)R2R5R3aR4bRo(c)I5(R2+R3+R5)I5-R3IS6=US5I5=2.3AKVLU0C=US5-R5I5-R4Is6=-30.5VUocRoR1abI1Us1(d)R1I1=-1AR2R5R3Us1Is6aUs5R4b(a)1011RRUUIsoc230111RIUURsocN2+U-R+U0C_RR0+U_OCURRRU0OCOCURUR0012126444480RVUOC4.4MAXIMUMPOWERTRANSFERUsRsRLabISSLUIRR222()LSLLSLRUPRIRR224()2()00()LLSLLSLSLLSLdPdPRRRRRUdRdRRR2()2()0SLLSLLSRRRRRRR2max4SLSUPRPLPSLSPP2250%()LLSLSPRIPRRI1(b)a2I2R1R2RIsbI2(a)a2I2R1R2Isb+Uoc_I2I1(b)2I2=R2I2+R1I1I1+IS=I2I2=2AUOC=R2I2=6V21(c)2112SIUIRa2I2R1R2bI2I1IoUs(c)0032SURI223SSUUIR02123SIIIU22SIU13SU22a2I213bI2+U_a2/3U13b+U_a1/2U3/4bI+U_3142IUU3/2RUI23001.5OCURIa2I2R1R2IsbI2I1IoI2=02I2=R1I1=0I1=0IS=I0I0=4A36V1.5RabI1.520()6OCUPRWRRa2I2R1R2RIsbI2(a):R=R0=1.5: