Iterative Sparse Covariance Matrix Fitting Direction of Arrival Estimation Method Based on Vector Hydrophone ArrayWeidong Wand, Qunfei Zhang, Wentao Shi, Juan SHI, Weijie Tan and Xuhu WangJNWPU, 38 1 (2020) 14-23DOI: https://doi.org/10.1051/jnwpu/20203810014