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Acoustic Beamforming: Mapping Sources of Truck Noise
| 题名： | Acoustic Beamforming: Mapping Sources of Truck Noise |
| 责任者： | National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Freight Research Program |
| 关键词： | Transportation and Infrastructure — Environment Transportation and Infrastructure — Highways Transportation and Infrastructure — Motor Carriers Transportation and Infrastructure — Pavements Transportation and Infrastructure — Vehicles and Equipment |
| 学科分类： | 暂无分类 |
| 摘要： | TRB’s National Cooperative Highway Research Program (NCHRP) Report 635: Acoustic Beamforming: Mapping Sources of Truck Noise explores the acoustic beamforming technique in an attempt to pinpoint and measure noise levels from heavy truck traffic. The beamforming technique uses an elliptical array of more than 70 microphones and data acquisition software to measure noise levels from a variety of noise sources on large trucks—including the engine, tires, mufflers, and exhaust pipes. |
| 出版机构： | Transportation Research Board |
| 提交日期： | 2009 |
| 报告类型： | 科技报告 |
| 资源类型： | 科技（咨询、行业）报告 |
| 初始创建时间： | 2009 |
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