声学发射器的三维发射模式估计装置
Alberto Yoshihiro Nakano1, Artur Adolfo Falkovski1, Mayconvorgel Ibrahim Ribeiro1
1Electronic Department, Federal University of Technology-Paraná, Toledo campus, Toledo, Paraná State, 85902-490, Brazil.
The Journal of the Acoustical Society of America
|October 2, 2023
概括
一个新的装置通过评估所有角度的发射功率来准确地测量声波发射器的性能. 这有助于识别设计缺陷并改善设备输出,减少噪音和功耗损失.
科学领域:
- 声学工程 声学工程
- 信号处理 信号处理
- 计量学 计量学 计量学
背景情况:
- 声波发射器通常因制造变化而偏离设计规格.
- 这些偏差可以导致性能降低,功率损失和不必要的噪音.
- 准确地描述声辐射模式对于设备优化至关重要.
研究的目的:
- 开发一种用于精确声学表征发射器的装置.
- 在三维空间中估计辐射功率和辐射模式.
- 为分析声源特征提供视觉工具.
主要方法:
- 为了进行声学测量,建造了一台配有转盘和弧形的装置.
- 时间延伸脉冲方法被用作测试信号.
- 信号经过处理,以在各种光方向和高度角度得出发射功率.
主要成果:
- 开发的设备成功估计了声波发射器的发射功率.
- 从获得的数据中生成了一个三维辐射图案.
- 该系统允许对声辐射特征进行视觉分析.
结论:
- 开发的装置为声学表征提供了一种有效的方法.
- 精确测量排放功率和辐射模式可以识别性能问题.
- 这种技术有助于优化声波发射器的设计和性能.
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