●●● 2.Wave Propagation on a Transmission Line ●●●● ●●●● ●●●0 ●●●●0 dv( ●●●0 ●●●● dz )=-(R+j@L)I(z) ● dI()--(G+j0C)V(=) dz Wave equation dV2)-y2v(a)=0 dz2 波动方程 dI@-y21e)=0 dz2 where r=a+jB=/(R+j@L)(G+j@C) y:propagation constant传播常数 .:attenuation constant衰减常数 B:phase constant相位常数 92. Wave Propagation on a Transmission Line Wave equation 波动方程  : propagation constant传播常数  : attenuation constant衰减常数  : phase constant相位常数 ( ) ( )() ( ) ( ) () dV z R j LI z dz dI z G j CV z dz            where 9 2 2 2 2 2 2 ( ) () 0 ( ) () 0 dV z V z dz dIz I z dz                     j R jLG jC ( )( )