并 联 a b b b Nb b 2 a u a b 2 b b b b
3、并联 Na + i1a + i2a u2a u1a Nb + i1b + i2b u1b u2b Na + i1a + i2a u2a u1a Nb + i1b + i2b u1b u2b + u2 + u1 i1 i2 • • • •
u1 a 1b 2b 1 Gul Gu2 2 G21 G Ib L2 u2b Z1 ZI G11b G12bu1b 2 12 126 21a l2a 21b 22bJLu 2 b G1lb G12b ZI 21b z2 G11G12 ∠a Gelb G12b 2la 21b 22b
Na + i1a + i2a u2a u1a Nb + i1b + i2b u1b u2b + u2 + u1 i1 i2 • • • • 2 1 u u 21 22 11 12 G G G G = 2 1 i i 2 1 i i = a a i i 2 1 + b b i i 2 1 a a u u 2 1 a a a a G G G G 21 22 11 12 = + b b u u 2 1 b b b b G G G G 21 22 11 12 a a a a G G G G 21 22 11 12 = + 2 1 u u b b b b G G G G 21 22 11 12 a a a a G G G G 21 22 11 12 = + b b b b G G G G 21 22 11 12 21 22 11 12 G G G G
4、混联 a 1b 2b b Nb b 2a u a 1b 2b lb b 2b
4、混联 Na + i1a + i2a u2a u1a Nb + i1b + i2b u1b u2b Na + i1a + i2a u2a u1a Nb + i1b + i2b u1b u2b + u2 + u1 i1 i2 • •
u a 1b 2b u1 HI H 12 H21 H Ib 22LL2 b z1 uia u1b Hub HI 126 b 12 12 a z26 H2la H22alu2d H21b H22bLu2b Hula hi 11b Z1 Hela h 21b H 22b z2 Ha Ha= lla H、xH2b 116 Hi h2la h 22a H 22b
Na + i1a + i2a u2a u1a Nb + i1b + i2b u1b u2b + u2 + u1 i1 i2 • • • 2 1 u i 21 22 11 12 H H H H = 2 1 i u 2 1 i u = a a i u 2 1 + b b i u 2 1 a a u i 2 1 a a a a H H H H 21 22 11 12 = + b b u i 2 1 b b b b H H H H 21 22 11 12 a a a a H H H H 21 22 11 12 = + 2 1 u i b b b b H H H H 21 22 11 12 a a a a H H H H 21 22 11 12 = + b b b b H H H H 21 22 11 12 21 22 11 12 H H H H
例: 3◆k 3 k
• 例： + i ki 3 1 2 + i ki 3 1 2