●●● ●●●● S 2.1 Transmission line ●●●● ●●●0 ●●●●0 ●●●0 ●●● ● physical dimension 物理尺寸 Normalized 18 waveguide wavelength length 波导波长 归一化长度 Circuit analysis ī<1 Transmission line:7>17> 4§2.1 Transmission line physical dimension 物理尺寸 waveguide wavelength 波导波长 Transmission line: l 1 l  1 Normalized length 归一化长度 Circuit analysis l 1 4 l g  