介绍单矢量水听器的基本知识，单矢量水听器信号处理基础理论及方位估计性能还有一些试验数据分析-Introduced a single vector hydrophone in basic knowledge, a single vector hydrophone based on signal processing theory and the performance of DOA estimation and some test data analysis

二阶水听器方位估计，里面有二阶水听器的方向导向矢量-SECOND ORDER Hydrophone DOA