A = 1/2 * (T22+T12+T21+T11)
B = Z0/2 * (T22+T12-T21-T11)
C = 1/2Z0 * (T22-T12+T21-T11)
D = 1/2 * (T22-T12-T21+T11)
其他可以参考下图
A = 1/2 * (T22+T12+T21+T11)
B = Z0/2 * (T22+T12-T21-T11)
C = 1/2Z0 * (T22-T12+T21-T11)
D = 1/2 * (T22-T12-T21+T11)
其他可以参考下图