“…Many works concerning non-uniform transmission lines have been done, such as the propagation property analysis [1][2][3], transient property analysis [4], crosstalk analysis [5], capacitance extraction [6][7][8], intelligent applications [9][10][11] etc. Usually, full wave methods based on field theory can be used to solve the problem of non-uniform transmission 840 Zhang, Wang, and Liang line operating at high frequency.…”