用矩量法计算半波振子的电流分布。矩量法是将连续方程转变为离散数值方程组，此种方法对积分方程或者微分方程均适用。内附一个计算三线互连系统各个端口S参数的程序。-Calculated half-wave dipole moment method using the current distribution. Moment method is to convert the continuous equation of discrete numerical equations, this method of integral equations or differential equations apply. It included a calculation of the various port S-parameter three-wire interconnection system procedures.