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Ultrawideband Electromagnetic Interference to Aircraft Radios
| 题名： | Ultrawideband Electromagnetic Interference to Aircraft Radios |
| 作者： | Ely, Jay J.; Fuller, Gerald L.; Shaver, Timothy W. |
| 关键词： | magnet；roma；radio；ltra；dios；inter；rfer；band；craft；ence |
| 摘要： | A very recent FCC Final Rule now permits marketing and operation of new products that incorporate Ultrawideband (UWB) technology into handheld devices. Wireless product developers are working to rapidly bring this versatile, powerful and expectedly inexpensive technology into numerous consumer wireless devices. Past studies addressing the potential for passenger-carried portable electronic devices (PEDs) to interfere with aircraft electronic systems suggest that UWB transmitters may pose a significant threat to aircraft communication and navigation radio receivers. NASA, United Airlines and Eagles Wings Incorporated have performed preliminary testing that clearly shows the potential for handheld UWB transmitters to cause cockpit failure indications for the air traffic control radio beacon system (ATCRBS), blanking of aircraft on the traffic alert and collision avoidance system (TCAS) displays, and cause erratic motion and failure of instrument landing system (ILS) localizer and glideslope pointers on the pilot horizontal situation and attitude director displays. This paper provides details of the preliminary testing and recommends further assessment of aircraft systems for susceptibility to UWB electromagnetic interference. |
| 报告类型： | 科技报告 |
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