说明：  基于宽带OFDM信号的DOA估计，采用经典的CSM算法，聚焦后采用传统MUSIC算法，最后通过谱峰搜素算法得到估计的来波角
(Based on broadband OFDM signal DOA estimation, using the classical CSM algorithm, after focusing the traditional MUSIC algorithm, and finally through hormone peak search algorithm to estimate the wave angle)