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Mode S Surveillance Netting
| 题名： | Mode S Surveillance Netting |
| 作者： | Gertz, Jeffrey L.; |
| 关键词： | AIR TRAFFIC CONTROL SYSTEMS, ALGORITHMS, NETWORKS, KALMAN FILTERING, ACCURACY, INTERPOLATION, AZIMUTH, BIAS, SURVEILLANCE, RADAR BEACONS. |
| 摘要： | The surveillance performance of a single Mode S Sensor is degraded by several factors, including: poor crossrange accuracy at long range, diffraction- induced azimuth errors, missing or incomplete reports, and extraneous reports. The surveillance netting project reported here sought to overcome these difficulties by employing information from a secondary (and perhaps also a tertiary) sensor. The project was performed to determine what auxiliary information is most useful, how this information could be used for maximum effect, when help should be sought for other sensors, what form this inter- sensor communications should take, and where the netting algorithms should be implemented. It was also planned to include the construction of a real-time netting demonstration system to exercise and test the concepts developed. The central issue in this project was the approach to be used for multi-sensor azimuth determination. In particular, a new form of incremental bilateration, employing a flat earth model, is shown to be both accurate and bias-resistant. Altitude estimation methods and multi-sensor tracker design are also addressed, with new algorithms developed in each case. Finally, the design of the netting subsystem for a Mode S sensor is presented. |
| 总页数： | 226 |
| 报告类型： | 科技报告 |
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