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ARJ21-700飞机的最小离地速度测量是FAA适航取证的关键考察科目,属于高风险科目。首次采用光电测量技术对ARJ21-700飞机的最小离地速度试飞科目进行测量,对采集的数据进行判读、脱靶量修正、数据异常值识别、目标航迹参数解算、数据平滑滤波、目标速度参数解算等,并进行试验结果数据的误差分析。试验结果表明,采用的方法满足该试飞科目要求,并可在同类飞行试验课题中推广使用。
The minimum ground clearance measurement of the ARJ21-700 aircraft is the key inspection subject of the FAA airworthiness certification and is a high-risk subject. For the first time, the minimum ground-based flight test subjects of ARJ21-700 aircraft were measured by photoelectric measurement technology. The collected data were interpreted, the miss distance correction, data outlier identification, target track parameter solution, data smoothing filter, target speed parameter Solution, etc., and error analysis of test results data. The test results show that the method used to meet the requirements of the flight test subjects, and can be used in similar flight test topics.