此文件夹为七单元线阵的波达方向（music罚法）估计程序，包含不加平滑的估计程序和加上前向平滑的估计程序。程序中每部分都有详细的中文注释，非常容易理解，特别适合于初学者。是本人学习波达方向估计时的心得，希望对大家有帮助。-This folder linear array of seven units of DOA (music Penalty Act) estimation procedures, including without smoothing estimation procedures and smooth with the forward estimates process. Each part of the program are detailed notes in Chinese, is very easy to understand, especially for beginners. DOA estimation is when I am learning experiences, we want to help.