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Emergency vehicle alert system, phase 2
| 题名： | Emergency vehicle alert system, phase 2 |
| 作者： | Barr, Tom; Harper, Warren; Reed, Bill; Wallace, David |
| 关键词： | emerge；alert；phase；system；distance；direct；transmit；modified；visual；driver |
| 摘要： | The EVAS provides warning for hearing-impaired motor vehicle drivers that an emergency vehicle is in the local vicinity. Direction and distance to the emergency vehicle are presented visually to the driver. This is accomplished by a special RF transmission reception system. During this phase the receiver and transmitter from Phase 1 were updated and modified and a directional antenna developed. The system was then field tested with good results. Static and dynamic (moving vehicle) tests were made with the direction determined correctly 98 percent of the time. |
| 报告类型： | 科技报告 |
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