| 作者 | Bridges, J. E. | ||
|---|---|---|---|
| 原报告号 | N180001295 | 总页数 | 19 |
| 主办者 | National Aeronautics and Space Administration | ||
| 报告分类号 | [51B - Aeronautics] | ||
| 报告类别/文献类型 | NASA / NTIS科技报告 | ||
| 关键词 | Aeroacoustics Acoustic measurement Propulsion system configurations Systems integration Low noise Propulsion Far fields Transport aircraft Directivity Phased arrays Jet aircraft noise Installing Noise prediction Regulations Certification | ||
