本程序研究的是半波天线上的电流分布，并采用点选配法对海伦积分方程求解，最后得到天线上的电流分布图-This procedure is the study of the current distribution of half wave antenna, and the point matching method for solving the integral equation of Helen, finally obtains the current distribution on the a

对波动方程进行隐式差分，利用MATLAB编程进行求解，模拟波的传播-Volatility implicit difference equation, using MATLAB programming solver to simulate wave propagation