信号稀疏分解及压缩感知理论应用研究，理论基础-Signal sparse decomposition and compression perception theory applied research, theoretical basis

基于L阵的二维信号稀疏分解的DOA估计 应用稀疏分解方法进行二维DOA估计-Estimation sparse decomposition method based on two-dimensional signal-dimensional DOA estimation of sparse matrix decomposition L DOA