Hallen积分方程求线天线表面电流分布，方向图及辐射阻抗-Hallen Integral Equation for antenna surface current distribution, radiation pattern and radiation resistance

利用矩量法和海伦积分方程计算对称振子的电路参数和辐射参数。-Use the method of moments and Helen integral equation symmetric oscillator circuit parameters, and radiation parameters.