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通过研究航迹误差分布规律,制定合适的航路宽度标准是提高空域利用率的关键所在。基于ADS-B数据对航迹误差分布规律进行了研究。在对A593航路ADS-B数据进行解析的基础上,采用Q-Q(quantile-quantile)图和Jarque-Bera检验法对数据进行正态分布检验,进而运用基于参数估计的统计方法对航迹误差分布进行计算。结果表明,飞机实际位置点与航路中心线的偏差距离符合正态分布规律,为进一步研究基于ADS-B的飞行安全间隔提供了依据。
By studying the distribution rule of track error, it is the key to improve the utilization ratio of airspace by formulating the appropriate fairway width standard. The distribution of track error is studied based on ADS-B data. Based on the analysis of ADS-B data of A593 route, the data were tested by normal distribution using quantized-quantile (QA) and Jarque-Bera test, and then the statistical error based on parameter estimation Calculate. The results show that the deviation distance between the actual position of the aircraft and the route center line is in accordance with the normal distribution rule, which provides the basis for further study on the flight safety interval based on ADS-B.