使用基于欧勒方程的麦克风阵列测量来检测移动源
Mario Sroka1, Ennes Sarradj2, Mathias Lemke1
1Numerical Fluid Dynamics, Technische Universitaet Berlin, Berlin 10623, Germany.
The Journal of the Acoustical Society of America
|July 16, 2025
概括
本研究介绍了一种基于辅助的方法,用于使用计算式空气声学检测移动的声音源. 该技术可以从有限的,杂的数据中准确地识别出源,并提供对其特征的见解.
科学领域:
- 计算航空声学 计算航空声学
- 声源检测 声源检测 声源检测 声源检测
- 附加方法 附加方法
背景情况:
- 有限的测量样本对声源检测构成了挑战.
- 移动的声音源需要专门的技术来准确地定位.
- 计算航空声学为分析声音传播提供了一个框架.
研究的目的:
- 开发和评估一种基于辅助的方法来检测移动的声音源.
- 为了应对在声源识别中有限的测量数据的挑战.
- 评估该方法对噪声和传感器错位的稳定性.
主要方法:
- 一个基于助理的框架被应用于计算的航空声学模拟.
- 标准基准案例涉及移动源被用于评估.
- 用一个时间域的公式来计算附加的声音场.
主要成果:
- 基于助理的方法准确地检测出使用短时间信号的移动声源.
- 该方法证明了对噪声和空间麦克风错位的稳定性.
- 附属声场提供了对源特性更深入的见解.
结论:
- 拟议的基于辅助的方法对于检测有有限数据的移动声源是有效的.
- 该技术为现实世界声学监控挑战提供了强大的解决方案.
- 附加的配方增强了对源物理在非线性欧勒方程中的理解.
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