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

Calculation of radiation pattern

sphere polar radiation pattern

三维天线阵阵因子图，可自由定义天线布阵方式，激励相位-3D scattering or radiation pattern for random arranged planearray

c This a MATLAB and FORTRAN based program that computes the: c c I. Maximum directivity (dimensionless and in dB) c II. Radiation resistance (Rr) c III. Input resistance (Rin) c IV. Reactance relative to current maximum (Xm) c V. Inp