将匹配场原理应用到矢量水平阵上实现对声源的三维定位,根据声压、质点振速表达式进行推导,获得对应的Bartlett相关表达式并进行分析和仿真验证。为了同时获得距离、深度、角度的估计,需要应用垂直阵速、轴向振速、法向阵速组合。本文内容如下:第一部分推导了水平阵的Bartlett相关表达式,不同方法的仿真结果在第二部分给出,第三部分对不同方法的仿真结果进行分析,等通道数目的垂直阵速、轴向振速、法向阵速组合和声压方法仿真比较在第四部分,第五部分根据上面的一系列分析得出结论。
Matched field processing approach is applied to vector horizontal array for 3D source location in this paper, with the method of theoretical deduction and analog simulation. The conclusion is that axial velocity - normal velocity - vertical velocity combination is used in horizonal array to obtain 3D location. In this paper, horizontal array' s Bartlett expression is formulated in section 1. In section 2, horizontal array simulation of different methods is presented. The simulation results are discussed and the conclusion is given in section 3. Axial velocity - normal velocity - vertical velocity combination and pressure method of equal channel amount is compared in section 4. According to the simulation analysis, the conclusion is given in section 5.