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Analytical Modeling and its Validation for Data Acquisition of ADS-B System
Abstract:
Based on the accuracy and integrity quality evaluation indexes of ADS-B navigation data, this paper foucses on the analytical modeling of ADS-B navigation data source under the global positioning system (GPS) and Compass system. The factors related to accuracy and integrity of ADS-B are derived and simulated, which include the position estimated uncertainty (EPU) and horizontal position integrity containing radius (RC). It is the first to give the quality index levels of the ADS-B horizontal data source in Tianjin under GPS and Compass. The simulation results show that ADS-B navigation data availability under Compass not only meet the lowest requirements recommended by the civil aviation administration of China (CAAC), but also is better than under Compass. The results derived from this paper provide the theoretic support for the implementation of ADS-B in Tianjin Binhai international airport and other areas of China. At the same time, Compass being navigation source increases reliability and security for ADS-B implementation of our country.
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1303-1306
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Online since:
September 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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