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HERALD FIELD OPERATION TEST EVALUATION : FINAL REPORT.
| 题名： | HERALD FIELD OPERATION TEST EVALUATION : FINAL REPORT. |
| 关键词： | Advanced-rural-transportation-systems; Advanced-traveler-information-systems; Radio- |
| 摘要： | The Herald Field Operational Test (FOT) tested AM radio as a low-cost way to broadcast traveler information in rural areas. It tested the feasibility of broadcasting data on the inaudible portion of an existing AM broadcast. Two systems were tested, the Herald system developed during the field operational test, and a system from Mikros Systems Corporation. Both systems proved that it is technically feasibly to broadcast data over AM without degrading the audio programming, and both systems proved to be strong candidates for low- cost rural traveler information dissemination. |
| 总页数： | 2000. 45 (840 Kb) |
| 报告类型： | 科技报告 |
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