两种噪声模型 2 In2 G G2 =4kTG 话2=4kTG,△f =+玩=4kTG+G,)Ay (G+G=7. RR R+R2
两种噪声模型 2 n1 i 2n2 i G1 G2 2n v n n i = kTG ∆f 1 21 4 n n i = kTG ∆f 2 22 4 n n n n i = i + i = 4kT(G + G )∆f 1 2 22 21 2 1 2 1 2 2 1 2 2 2 4 ( ) R R R R kT f G Gi v n n n + = ∆ ⋅ + =
R2 nl = 9 RR2 =4kTA'8+R 同上
2 n2 v R2 2 n1 v R1 2 n v 1 2 1 2 2 2 1 1 2 2 2 2 2 2 1 2 2 2 1 4 ( ) ( ) R R R R kT f R R R v R R R v v n n n n + = ∆ ⋅ ⋅ + ⋅ + + = 同上