论文标题
在自由空间和浅水环境中，主动近场/远场声模式综合问题的可行性分析
Feasibility Analysis for the Problem of Active Near Field/Far Field Acoustic Pattern Synthesis in Free Space and Shallow Water Environments
论文作者
论文摘要
在本文中，提出了对我们以前在我们以前的作品中提出的标量Helmholtz字段的主动操作方案的详细灵敏度分析，包括在自由空间和恒定深度均质的海洋环境中。我们将矩（MOM）的方法与Tikhonov正则化以及Morozov差异原理一起使用，以研究问题参数变化对拟议的活动现场控制策略的准确性和可行性的影响。我们讨论了主动方案（功率预算和控制精度）的可行性，这是频率的函数，控制区域与活动源之间的距离，控制区域之间的相互距离以及控制区域的大小。还考虑了过程误差，以研究在存在制造噪声下准确主动控制的可能性。数值模拟显示了活动现场控制方案的准确性，并指示其物理实现的一些挑战和局限性。
In this paper, a detailed sensitivity analysis of the active manipulation scheme for scalar Helmholtz fields proposed in our previous works, in both free space and constant-depth homogeneous ocean environments, is presented. We apply the method of moments (MoM) together with Tikhonov regularization with Morozov discrepancy principle to investigate the effects of problem parameters variations on the accuracy and feasibility of the proposed active field control strategy. We discuss the feasibility of the active scheme (power budget and control accuracy) as a function of the frequency, the distance between the control region and the active source, the mutual distance between the control regions, and the size of the control region. Process error is considered as well to investigate the possibility of an accurate active control in the presence of manufacturing noise. The numerical simulations show the accuracy of the active field control scheme and indicate some challenges and limitations for its physical implementations.
